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1 Mandwe, D.S., Gadge, S.R., Dubey, A.K., Khambalkar, V.P.









2 Ellis, J; Winkler, H; Corfee-Morlot, J; Gagnon-Lebrun, F









3 Sebitosi, AB; Pillay, P







4 Winkler, H; Baumert, K; Blanchard, O; Burch, S; Robinson, J









5 Pillay, P; Manyage, M









6 Jalama, K; Coville, NJ; Hildebrandt, D; Glasser, D; Jewell, LL









7 Madubansi, M; Shackleton, CM









8 Leckel, D; Liwanga-Ehumbu, M









9 Botha, T; von Blottnitz, H

10 Howells, M; Victor, DG; Gaunt, T; Elias, RJ; Alfstad, T









11 Ryan, D; Leukes, W; Burton, S









12 Makinde, OD









13 Haarhoff, J; Mathews, EH









14 Wang, ZL; Liu, Y; Linkov, VM









15 Sayle, TXT; Catlow, CRA; Maphanga, RR; Ngoepe, PE;

Sayle, DC









16 Leckel, D









17 Cowley, M

18 de Klerk, A









19 Khumalo, N; Glasser, D; Hildebrandt, D; Hausberger, B;

Kauchali, S









20 Mbarawa, M; Haji, AI





21 Bikam, P; Mulaudzi, DJ





22 Pretorius, JP; Kroger, DG







23 Kirstein, CF; von Backstrom, TW







24 Kakutkina, NA; Korzhavin, AA; Mbarawa, M





25 Meyer, JP



26 Bugaje, IM





27 Arthur, GD; Stirk, WA; Van Staden, J







28 Kwak, JS; Yang, I







29 Coetzer, RLJ; Rossouw, R; Swarts, A; Viljoen, C





30 Gomez, E; Ferreras, L; Toresani, S

31 Majozi, T





32 Pretorius, JP; Kroger, DG





33 Keyser, MJ; Conradie, M; Coertzen, M; Van Dyk, JC





34 Bass, M; de Swardt, RR







35 Patwardhan, A; Chugh, YP; Arnold, BJ; Terblanche, AN







36 Ferg, EE; Loyson, P; Poorun, A





37 Malherbe, JB; van der Berg, NG; Odendaal, RQ; Krok, F;

Szymonski, M



38 Mbarawa, M









39 Sheer, TJ; De Klerk, GB; Jawurek, HH; Lander, M





40 Prinsloo, NM





41 Bredell, JR; Kroger, DG; Thiart, GD





42 Sebitosi, AB; Pillay, P; Khan, MA





43 Sebitosi, AB; Pillay, P; Khan, MA





44 de Klerk, A





45 Everson, RC; Neomagus, HWJP; Kasaini, H; Njapha, D





46 Everson, RC; Neomagus, HWJP; Kasaini, H; Njapha, D

47 Rankin, R; Rousseau, PG







48 Slabber, J



49 van Dyk, JC; Keyser, MJ; Coertzen, A





50 Everson, RC; Neomagus, HWJP; Njapha, D







51 Fuls, WF; Viljoen, C; Stoker, C; Koch, C; Kleingeld, M





52 Maaza, M; Nemraoui, O; Beye, AC; Sella, C; Derry, T





53 Ferreira, T



54 Atif, AAY; Fakhru'l-Razi, A; Ngan, MA; Morimoto, M; Iyuke,

SE; Veziroglu, NT



55 Potgieter-Vermaak, SS; Potgieter, JH; Kruger, RA; Spolnik,

Z; van Grieken, R



56 Somerset, VS; Petrik, LF; White, RA; Klink, MJ; Key, D;

Iwuoha, EI



57 Hotchkiss, PJ; Meyer, CJ; von Backstrom, TW





58 Myers, TG; Lombe, M





59 Lynd, LR; van Zyl, WH; McBride, JE; Laser, M





60 Snyman, LW; Aharoni, H; du Plessis, M





61 Meyer, JP; Van der Vyver, H





62 Graeber, B; Spalding-Fecher, R; Gonah, B





63 Leckel, D

64 Esterhuyse, BD; Kroger, DG





65 Wagner, NJ; Hlatshwayo, B







66 Khan, MA; Pillay, P; Visser, KD





67 Sebitosi, AB; Pillay, P





68 van Dyk, JC; Baxter, LL; van Heerden, JHP; Coetzer, RLJ





69 van Dyk, EE; Chamel, JB; Gxasheka, AR





70 Meyer, JP; Stehlik, P



71 Bukasa, JP; Liebenberg, L; Meyer, JP







72 de Klerk, A





73 Louw, WI; Meyer, JP





74 Howells, MI; Alfstad, T; Victor, DG; Goldstein, G; Remme, U





75 Meyer, CJ





76 Patel, B; Hildebrandt, D; Glasser, D; Hausberger, B





77 Gerber, M; Ferreira, JA; Seliger, N; Hofsajer, IW





78 Kloppers, JC; Kroger, DG





79 Everson, R; Neomagus, H; Kaitano, R

80 Smith, MA; Glasser, D







81 Smith, MA; Glasser, D





82 Sparg, SG; Kulkarni, MG; Light, ME; Van Staden, J







83 Gaunt, CT





84 Budovsky, I; Abidin, ARBZ; Yan, AYK; Liu, LX; Rustagi, VK;

Govil, AK; Klonz, M; Wei, YC; Early, MD; Sasaki, H; Fujiki,

H; Kumtawee, C; Charoensook, A; Kwon, SW; Son, NA;

Suprianto, B; Temba, M; Ruiz, M; Leones, SPB



85 Ferg, EE; Loyson, P; Rust, N





86 Ehlers, GA; Rose, PD







87 Huan, ZJ; Jordaan, GD





88 Kloppers, JC; Kroger, DG





89 Wang, RJ; Kamper, MJ; Dobson, RT







90 Dirker, J; Meyer, JP





91 Vorster, FJ; van Dyk, EE





92 Roets, PNJ; van Heerden, PS; Moses, CA





93 Lamprecht, D; Roets, PNJ





94 Dobson, RT

95 Gxasheka, AR; van Dyk, EE; Meyer, EL





96 van Antwerpen, HJ; Greyvenstein, GP





97 Singh, V; Brink, GJ; Winter, HDL



98 Hansen, AC; Zhang, Q; Lyne, PWL





99 Kakutkina, NA; Mbarawa, M





100 van Dyk, EE; Gxasheka, AR; Meyer, EL





101 Greeff, IL; Visser, JA; Ptasinski, KJ; Janssen, FJJG





102 Nicol, W; du Toit, EL







103 Arkesteijn, K; Oerlemans, L







104 Mukoma, P; Jooste, BR; Vosloo, HCM







105 Winkler, H





106 Spalding-Fecher, R; Winkler, H; Mwakasonda, S





107 Wang, RH; Kamper, MJ





108 Ricco, IMM; Focke, WW





109 Mangena, SJ; de Korte, GJ; McCrindle, RI; Morgan, DL







110 Wolfaardt, F; Taljaard, JL; Jacobs, A; Male, JR; Rabie, CJ

111 Zhang, R; van Dyk, EE; Rozgonyi, GA; Rand, J; Jonczyk, R







112 Sharma, R; Singh, K; Singhal, D; Ghosh, R







113 Sathaye, J; Murtishaw, S; Price, L; Lefranc, M; Roy, J;

Winkler, H; Spalding-Fecher, R



114 Lynd, LR; von Blottnitz, H; Tait, B; de Boer, J; Pretorius, IS;

Rumbold, K; van Zyl, WH



115 Steynberg, AP; Nel, HG





116 Rankin, R; Rousseau, PG; van Eldik, M





117 Wope, ER



118 von Backstrom, TW; Gannon, AJ





119 Slaghuis, JH; Raijmakers, N





120 Scowby, ST; Dobson, RT; Kamper, MJ







121 Meyer, CJ; Kroger, DG







122 van Dyk, EE; Meyer, EL





123 Diamond, D; Hahn, T; Becker, H; Patterson, G









124 Odubiyi, A; Davidson, IE



125 de Korte, GJ





126 Huan, ZJ; Jordaan, GD

127 Zhelev, TK; Semkov, KA







128 Meyer, JP; Stehlik, P



129 Coetzee, H; Liebenberg, L; Meyer, JP





130 Kloppers, JC; Kroger, DG





131 Govender, A; van Dyk, JC





132 Greeff, IL; Visser, JA; Ptasinski, KJ; Janssen, FJJG







133 Vadasz, P





134 Sima, L; Blanco, C; Santamaria, R; Granda, M; Slaghuis, H;

Menendez, R





135 Ferg, EE; Geyer, L; Poorun, A







136 Teetz, HW; Harms, TM; von Backstrom, TW





137 Singh, V; McLachlan, I



138 du Plessis, CA; Strauss, JM; Sebapalo, EMT; Riedel, KHJ





139 von Wielligh, AJ; Burger, NDL; Wilcocks, TL





140 von Backstrom, TW; Bernhardt, A; Gannon, AJ







141 van Wyk, JPH; Mohulatsi, M







142 Greyvenstein, GP; Rousseau, PG

143 Dalgleish, AZ; Grobler, L







144 van der Spuy, D; Jikelo, NA; Ziegler, T; Bowyer, M



145 Mbarawa, M; Mureithi, EW





146 Tewari, DD; Shah, T







147 Spalding-Fecher, R; Matibe, DK





148 Meyer, EL; van Dyk, EE







149 Muller, GH; Landy, CF





150 Coetzer, RLJ; Keyser, MJ





151 Gannon, AJ; von Backstrom, TW







152 von Backstrom, TW







153 Pillay, P; Hofmann, P; Manyage, M







154 Huan, ZJ; Jordaan, GD





155 Spalding-Fecher, R; Clark, A; Davis, M; Simmonds, G





156 van Wyk, JPH; Mohulatsi, M







157 Greeff, IL; Visser, JA; Ptasinski, KJ; Janssen, FJJG

158 van Wyk, JPH







159 Stinnes, WH; von Backstrom, TW





160 Materechera, SA; Mkhabela, TS







161 Barletta, T; Martin, GR; Visser, A









162 Materechera, SA







163 Taylor, AJ; la Grange, TG





164 Prentice, JSC





165 Prentice, JSC





166 Mbarawa, M; Milton, BE; Casey, RT





167 Mbarawa, M; Milton, BE; Casey, RT





168 van Heerden, I; Cronje, C; Swart, SH; Kotze, JM





169 van Dyk, EE; Meyer, EL; Vorster, FJ; Leitch, AWR





170 Prentice, JSC





171 Brown, ME





172 Mathews, EH; Botha, CP; Arndt, DC; Malan, A

173 Bird, J; Wallace, P





174 De Swardt, CA; Meyer, JP





175 Meyer, JP; Wood, CW





176 Venayagamoorthy, GK; Harley, RG





177 Maiti, SN; Eberhardt, J; Kundu, S; Cadenhouse-Beaty, PJ;

Adams, DJ

178 Prentice, JSC





179 Soler, A; Gopinathan, KK





180 Vosloo, AC







181 van Wyk, JPH





182 Hey, B



183 Carsky, M; Kuwornoo, DK





184 Rousseau, PG; Strauss, JP; Greyvenstein, GP







185 Meyer, CJ; Kroger, DG





186 Gannon, AJ; von Backstrom, TW







187 von Backstrom, TW; Gannon, AJ







188 Brooks, KS; Dreyer, R; Burston, A



189 Bell, FG; Bullock, SET; Halbich, TFJ; Lindsay, P

190 Soler, A; Gopinathan, KK; Claros, ST





191 van Dyk, JC







192 Gous, G



193 Taylor, AJ; la Grange, TG; Gous, GZ



194 Burger, AJ; Kruger, CJ; Lotter, AP; Karasiuk, CJ; Rooney, DJ



195 Prentice, JSC





196 Alberts, V; Klenk, M; Bucher, E





197 Kiipli, T; Batchelor, RA; Bernal, JP; Cowing, C; Hagel-

Brunnstrom, M; Ingham, MN; Johnson, D; Kivisilla, J;

Knaack, C; Kump, P; Lozano, R; Michiels, D; Orlova, K;

Pirrus, E; Rousseau, RM; Ruzicka, J; Sandstrom, H; Willis,

JP

198 Nicolin, A; Evans, M



199 Davidson, IE; Gieras, JF





200 Meyer, EL; van Dyk, EE





201 Meyer, JP; Raubenheimer, PJA; Kruger, E





202 Mathews, EH; Arndt, DC; Piani, CB; van Heerden, E





203 Prentice, JSC





204 Rousseau, PG; Greyvenstein, GP





205 Lombard, NF; Kamper, MJ





206 Lemmer, EF; Delport, GJ

207 Gratwick, K.; Ghanadan, R.; Eberhard, A







208 Foster-Pedley, J.; Hertzog, H.









209 Fritz, W.L.O.; Kahn, M.T.E.





210 Khambalkar, V.P; Karale, D.S.; Gadge, S.R..





211 Cuamba, B.C.; Chenene, M.L.; Mahumane, G.; Quissico,

D.Z.; Lovseth, J.; O'Keefe, P







212 Musee, N.; Lorenzen, L.; Aldrich, C.





213 Nkomo, J.C.





214 Kahn, M.T.E.; Fritz, W.







215 Lukamba-Muhiya, J.M.; Uken, E.





216 Brooks, M.J.; Mills, I.; Harms, T.M.







217 Nkomo, J.C.







218 Van Niekerk, W





219 Matzopoulos, R.; Jordaan, E.; Carolissen, G.







220 Nkomo, J.C.; Goldstein, H.E.

221 Lambrechts, I.J.





222 Nkomo, J.C.; Goldstein, H.E.





223 Mittal, V.; Kasana, K.S.; Thakur, N.S.







224 Hove, T.; Chipfunhu, D.







225 Mammadov, F.





226 Wentzel, M.





227 Roberts, E.; Wentzel, M.







228 Wentzel, M.







229 Wipplinger, K.P.M.; Harms, T.M.; Taylor, A.B.





230 Green, J.M.; Zwebe, D.I.





231 Bosman, I.E.; Grobler, L.J.; Dalgleish, A.Z.





232 Bosman, I.E.; Grobler, L.J







233 Sebitosi, A.B.





234 Meyer, A.; Dobson, R.T.





235 Nkomo, J.C.

236 Von Blottnitz, H.





237 Mathews, E.H.; Weggelaar, S.





238 Howells, M.I.







239 Winkler, H.; Borchers, M.; Hughes, A.; Visagie, E.; Heinrich,

G.





240 Blignaut, J.N.; Chitiga-Mabugu, M.R.; Mabugu, R.M.







241 Masekoameng, K.E.; Simalenga, T.E.; Saidi, T.





242 Nkomo, J.C.







243 Harris, H.C.; Krueger, D.L.W.







244 Sibisi, N.T.; Green, J.M.





245 Lloyd, P.J.





246 Nkomo, J.C.





247 Nkomo, J.C.; Winkler, H.; Mwakasonda, S.; Mukheibir, P.;

Sparks, D.



248 Mokoena, J.K.J.; Lloyd, P.J.D







249 Mathews, E.H.; Den Boef, M.







250 Nkomo, J.C.

251 Dobson, R.T.







252 Nkomo, J.C.





253 Kaiser, W.H.; Van Der Merwe, C.A.





254 Steyn, T.







255 Nkomo, J.C.





256 Kaiser, W.H.; Van Der Merwe, C.A.





257 Van Der Merwe, C.A.; Grobler, L.J.







258 Winkler, H.





259 Calmeyer, J.E.; Kruger, T.J.





260 Lloyd, P.J.; Dick, A.; Howells, M.





261 Sparks, D.A.





262 Van Rensburg, J.F.; Bodenstein, C.P.; Matthews, E.H.









263 Banda, K.G.; Tinto, E.M.







264 Calmeyer, J.E.; Kruger, T.J.







265 Dobson, R.T.; Van Wyk, P.A.; Van Der Westhuizen, K.

266 Kruger, T.J.; Calmeyer, J.E.





267 Wentzel, M.; Pickering, M.





268 Spalding-Fecher, R.; Mqadi, L.; Oganne, G.





269 Den Heijer, W.I.R.; Grobler, L.J.





270 Moodley, S.







271 Mathews, E.H.; Els, R.; Basson, J.A.









272 Sebitosi, A.B.





273 Lukamba-Muhlya, J.M.; Davidson, O.R.







274 Van der Merwe, I.L.; Britten, A.C.





275 Van Harmelen, G.







276 Smith, I.; Smit, R.; Beckman, R.





277 Piketh, S.







278 Van Heerden, L.





279 Vaivars, G.; Mokrani, T.; Maxakatho, N.; Linkov, V.; Gericke,

G.





280 Uys, R.F.; Higgins, S.A.

281 Nogueira, F.







282 Holtshauzen, G.







283 Carter-Brown, C.; Gaunt, C.T.







284 McCann, K.





285 Marais, P.







286 Jeftha, L.







287 Van Der Merwe, C.A.; Grobler, L.J.







288 Tinto, E.S.





289 Conteh, M.A..





290 De Lange, E., Wentzel, M.





291 Vicatos, G.; Zulu, A.





292 Dobson, R.T.; Pakkies, S.A.







293 Howells, M.I.; Solomon, M.









294 Grobler, L.J., Dalgleish, A.Z., De Heijer, W.L.R..

295 Spalding-Fecher, R.







296 Tinto, E.S.







297 Winkler, H., Mavhungu, J.







298 Tinto, E.M.







299 De Klerk, G.B., Rallis, C.J.







300 Lloyd, P.J.D.







301 Kaiser, W.H., Grobler, L.J.

AD

Department of Unconventional Energy Sources and Electrical

Engineering, Dr. Panjabroo Deshmukh Krishi Vidyapeeth, Akola,

India; Central Institute of Agricultural Engineering, Bhopal, India







OECD, Dept Environm, 2 Rue Andre Pascal, F-75775 Paris 16,

France

Univ Cape Town, Energy Res Ctr, ZA-7925 Cape Town, South

Africa

Ecoressources, Quebec City, PQ Canada



Univ Cape Town, Dept Elect Engn, ZA-7701 Cape Town, South

Africa

Clarkson Univ, Potsdam, NY 13699 USA



Univ Cape Town, Energy Res Ctr, ZA-7701 Rondebosch, South

Africa

World Resources Inst, Washington, DC 20006 USA

Int Energie & Polit Environm, Lab Econ Prod & Integrat, Grenoble,

France

Univ British Columbia, Vancouver, BC V5Z 1M9 Canada



Clarkson Univ, Dept Elect & Comp Engn, Potsdam, NY 13699 USA

Univ Cape Town, Dept Elect Engn, ZA-7925 Cape Town, South

Africa









Fischer Tropsch Refinery Catalysis, Sasol Technol Res & Dev,

POB 1, ZA-1947 Sosolburg, South Africa







Fischer Tropsch Refinery Catalysis, Sasol Technol Res & Dev,

POB 1, ZA-1947 Sosolburg, South Afric









Univ Cape Town, Dept Chem Engn, Private Bag,Upper Campus,

ZA-7701 Rondebosch, South Africa

Univ Cape Town, Energy Res Ctr, ZA-7708 Cape Town, South

Africa

Stanford Univ, Program Energy & Sustainable Dev, Stanford, CA

94305 USA

Univ Cape Town, Elect Engn Dept, ZA-7708 Cape Town, South

Africa



Univ Sydney, Dept Chem Engn, Sydney, NSW 2006 Australia

Rhodes Univ, Dept Biochem & Microbiol, ZA-6140 Grahamstown,

South Africa

Univ Cape Town, Dept Chem Engn, ZA-7700 Rondebosch, South

Africa



Univ Limpopo, Dept Appl Math, Private Bag X1106, ZA-0727

Sovenga, South Africa









North West Univ, ZA-0043 Faerie Glen 4, South Africa

Univ Pretoria, ZA-0002 Pretoria, South Africa









Univ Western Cape, Dept Chem, S Africa Inst Adv Mat Chem,

Private Bag X17, ZA-7535 Bellville, Cape Town South Africa







Cranfield Univ, DEOS, Def Acad United Kingdom, Swindon, Wilts

England

Royal Inst Great Britain, London W1X 4BS, England

Univ Coll London, Dept Chem, London, England

Univ N, Mat Modelling Ctr, Sch Phys & Mineral Sci, ZA-0727

Sovenga, South Africa

Univ

Fischer Tropsch Refinery Catalysis, Sasol Technol Res & Dev,

POB 1, ZA-1947 Sasolburg, South Africa









Sasol Technol Res & Dev, Fischer Tropsch Refinery Catalysis,

POB 1, ZA-1947 Sasolburg, South Africa

Sasol Technol Res & Dev, Fischer Tropsch Refinery Catalysis,

POB 1, ZA-1947 Sasolburg, South Africa









Univ Witwatersrand, Sch Proc & Mat Engn, Private Bag 3, ZA-

2050 Wits, South Africa









Tshwane Univ Technol, Dept Mech Engn, Private Bag X680, ZA-

0001 Pretoria, South Africa



Univ Venda Sci & Technol, Dept Urban & Reg Planning, Sch

Environm Sci & Engn, Private Bag X5050, ZA-0950 Thohoyandou,

South Africa

Univ Stellenbosch, Dept Mech Engn, Private Bag X1, ZA-7602

Matieland, South Africa





Univ Stellenbosch, Dept Mech Engn, Private Bag X1, ZA-7602

Matieland, South Africa





Russian Acad Sci, Inst Chem Kinet & Combust, Novosibirsk

630090, Russia

Univ Technol, ZA-0001 Pretoria, South Africa

Univ Pretoria, Dept Mech & Aeronaut Engn, ZA-0002 Pretoria,

South Africa

Tech Witwatersrand, Dept Chem Engn, ZA-2028 Johannesburg,

South Africa



Univ KwaZulu Natal Pietermaritzburg, Sch Biol & Conservat Sci,

Res Ctr Plant Growth & Dev, ZA-3209 Scottsville, South Africa





Univ KwaZulu Natal Pietermaritzburg, Sch Biol & Conservat Sci,

Res Ctr Plant Growth & Dev, ZA-3209 Scottsville, South Africa





Sasol Technol Res & Dev, ZA-1947 Sasolburg, South Africa

Univ Cape Town, Sasol Adv Fuels Lab, ZA-7925 Cape Town,

South Africa

Sasol Technol Res & Dev, ZA-1947 Sasolburg, South Africa

Univ Cape Town, Sasol Adv Fuels Lab, ZA-7925 Cape Town,

South Africa

Graduate School of Business, University of Cape Town; Energy

and Resources Group, University of California, Berkeley





Graduate School of Business, University of Cape Town; Atlantic

Solar









Department of Electrical Engineering, Faculty of Engineering, Cape

Peninsula University of Technology



Department of Unconventional Energy Sources and Electrical

Engineering, Dr Panjabrao Deshmukh Krlshi Vidyapeeth



Department of Physics, Eduardo Mondlane University,

Mozambique;Department of Physics, Eduardo Mondlane

University, National Institute of

Meteorology,Mozambique;Department of Physics, Norwegian

University of Science and Technology, Norway; University of

Department of Process Engineering, University of Stellenbosch





Energy Research Centre, University of Cape Town.





Centre for Distributed Power Electronic Systems, Department of

Electrical Engineering, Cape Peninsula University of Technology;

Department of Electrical Engineering, Cape Peninsula University of

Technology

Energy Technology Unit, Cape Peninsula University of Technology,

Cape Town, South Africa



Department of Mechanical Engineering, Mangosuthu Technikon;

Department of Mechanical Engineering, University of Stellenbosch





Energy Research Centre, University of Cape Town







School of Mechanical Engineering, North West University





Crime, Violence and Injury Lead Programme, Medical Research

Council, UNISA Institute for Social and Health Sciences;Biostatics

Unit, Medical Research Council; Department of Health, West

Coast/Winelands

Energy Research Centre, University of Cape Town, South Africa;

Department of Economics, University of Oslo, Norway

Department of Business Management, University of Stellenbosch,

Stellenbosch



Energy Research Centre, University of Cape Town, South Africa;

Department of Economics, University of Oslo, Norway



Mechanical Engineering Department, BRCM College of

Engineering and Technology, Bahal; Mechanical Engineering

Department, NIT, Kurukshetra; Mechanical Engineering

Department, NIT, Hamirpur

Department of Mechanical Engineering, University of Zimbabwe;

Department of Metallurgical Engineering, University of Zimbabwe





Institute of Radiation Problems, Azerbaijan National Academy of

Sciences, Baki, Azerbaijan



Palmer Development Consulting, Pretoria, South Africa





Palmer Development Consulting, Pretoria, South Africa







Institute for Technological Innovation, University of Pretoria.







Department of Mechanical Engineering, University of Stellenbosch;

Stellenbosch Automotive Engineering (Pty) Ltd.



Community Resources, School of Agricultural Sciences and

Agribusiness, University of KwaZulu-Natal, Pietermaritzburg;

University of Twente, Netherlands

North-West University, Potchefstroom, South Africa





North-West University, Potchefstroom







Department of Electrical Engineering, University of Cape Town





Department of Mechanical Engineering, University of Stellenbosch,

Stellenbosch.



Energy Research Centre, University of Cape Town

Department of Chemical Engineering, University of Cape Town.





North West University, Potchefstroom Campus; CRCED Pretoria





Energy Research Centre, University of Cape Town







Energy Research Centre, University of Cape Town; Sustainable

Energy Africa; Department of Chemical Engineering, University of

Cape Town



Department of Economics, University of Pretoria, Pretoria, South

Africa; Centre for Environmental Economics and Policy in Africa

(CEEPA), University of Pretoria, Pretoria, South Africa



University of Venda for Science and Technology





Energy Research Centre, University of Cape Town







North West University; TIASA; HVAC International







Department of Discipline, Community Resources, University of

KwaZulu-Natal



Energy Research Centre, University of Cape Town





Energy Research Centre, University of Cape Town





Energy Research Centre, University of Cape Town





Portfolio Committee - Minerals and Energy, Parliament RSA;

Energy Research Centre, University of Cape Town





Centre of Research and Commercialisation, University of

Potchefstroom; HVAC International (Pty) Ltd





Energy Research Centre, University of Cape Town

Department of Mechanical Engineering, University of Stellenbosch.







Energy and Development Research Centre, University of Cape

Town



Potchefstroom University, CHE





Eskom, South Africa







Energy Research Centre, University of Cape Town





Technikon Pretoria, Pretoria, South Africa; Potchefstroom

University for CHE, Potchefstroom, South Africa



Energy Cybernetics cc; Department of Mechanical Engineering,

Sch. of Mech. and Mat. Engineering, University of Potchefstroom

for CHE



Energy Research Centre, University of Cape Town.





Department of Electrical Engineering, Centre for New Electricity

Studies, University of Pretoria; Sasol, South Africa



Energy Research Centre, University of Cape Town, Cape Town,

South Africa; Simunye RTS, Eskom Generation, South Africa



Energy Research Centre, University of Cape Town





Telecom. Facilities Mgmt. Company; Department of Computing,

Potchefstroom Univ. Chrstn. H.E.; TEMM International (Pty) Ltd,

Mathews Consolidated Investm. P.L.; Telecom. Facilities Mgmt.

Company, PO Box 11823, Wierda Park South, 0057, South Africa



Gender/Ener., Minerals/Ener. P.C., Mintek Building, 200 Hans

Strijdom Drive, Randburg, 2125, South Africa; Intgd. Natl.

Electrificat. Programme, Department of Minerals, Private Bag,

Roggebaai, 8102, South Africa

Dept. of Electrical Engineering, Centre for New Electricity Studies,

University of Pretoria; Sasol Centre for New Electricity Studies,

University of Pretoria, Pretoria, 0002, South Africa



Department of Mechanical Engineering, University of Stellenbosch;

Centre for Automotive Engineering, Stellenbosch

Department of Electrical Engineering, Centre for New Electricity

Studies, University of Pretoria



Palmer Development Consulting, Pretoria, South Africa





Energy and Devmt. Res. Ctr. (EDRC), University of Cape Town,

Cape Town, South Africa; SouthSouthNorth Project, Cape Town,

South Africa

Mechanical Engineering, Potchefstroom University for CHE,

Energy Cybernetics, Potchefstroom, South Africa



Energy (Environment and Economics), Minerals and Energy Policy

Centre, Johannesburg, South Africa; Energy (Environment and

Economics), Minerals and Energy Policy Centre, P.O. Box 629,

Randburg 2194, South Africa

SENKOM, Ctr. of Res. and Commercialisation, University of

Potchefstroom, Potchefstroom, South Africa; Postgrad. Ctr. for

Commercialisation, University of Potchefstroom for CHE, PO Box

2156, Faerie Glen, Pretoria 0043, South Africa; TEMM

International, F

Power Electronics Group, Department of Electrical Engineering,

University of Cape Town, Private Bag, Rondebosch 7701, South

Africa

Ener./Development Research Centre, University of Cape Town,

Private Bag, Rondebosch 7701, South Africa









University of the Western Cape, Department of Chemistry, Porous

Media Group, Private Bag X17, Bellville 7535, South Africa;

ESKOM TSI, Johannesburg, South Africa

Department of Electrical Engineering, University of Cape Town,

Rondebosch, South Africa









Energy Research Institute, University of Cape Town, Cape Town,

South Africa





Potchefstroom University, Potchefstroom, South Africa









Ener./Development Research Centre, University of Cape Town,

Rondebosch, South Africa.



Palmer Development Consulting, Pretoria, South Africa





Department of Mechanical Engineering, University of Cape Town,

Cape Town, South Africa



Department of Mechanical Engineering, University of Stellenbosch,

Stellenbosch, South Africa





Energy Research Institute (ERI), University of Cape Town, Cape

Town, South Africa









Artificial intelligence; Hourly temperature profiles; Temperature

prediction

Energy and Devmt. Res. Ctr. (EDRC), University of Cape Town,

Cape Town, South Africa





Policy Analyst (Energy Programme), Minerals and Energy Plcy. Ctr

(MEPC), Randburg, South Africa





Energy and Devmt. Research Centre, University of Cape Town,

Cape, Town, South Africa





Minerals and Policy Centre, Johannesburg, South Africa









Energy Research Institute, Department of Mechanical Engineering,

University of Cape Town, Cape Town, South Africa

TI SO

Design and development of a 20 kW cleaning and SO

cooling system for a wood-chip gasifier









CDM: Taking stock and looking forward ENERGY POLICY









Modelling a sustainability yardstick in modern ENERGY POLICY

energisation of rural sub-Saharan Africa





What factors influence mitigative capacity? ENERGY POLICY









Loss of life in induction machines operating with IEEE TRANSACTIONS ON

unbalanced supplies ENERGY CONVERSION









Fischer-Tropsch synthesis over Co/TiO2: Effect of FUEL

ethanol addition





Changing energy profiles and consumption patterns ENERGY POLICY

following electrification in five rural villages, South

Africa





Diesel-selective hydrocracking of an iron-based ENERGY & FUELS

Fischer-Tropsch wax fraction (C-15-C-45) using a

MoO3-modified noble metal catalyst









A comparison of the environmental benefits of ENERGY POLICY

bagasse-derived electricity and fuel ethanol on a life-

cycle basis

Beyond free electricity: The costs of electric cooking ENERGY POLICY

in poor households and a market-friendly alternative









Improving the bioremediation of phenolic BIORESOURCE

wastewaters by Trametes versicolor TECHNOLOGY









Solving microwave heating model in a slab using APPLIED THERMAL

Hermite-Pade approximation technique ENGINEERING









A Monte Carlo method for thermal building ENERGY AND BUILDINGS

simulation









The influence of catalyst layer morphology on the JOURNAL OF POWER

electrochemical performance of DMFC anode SOURCES







Evolving microstructure in MnO2 using JOURNAL OF CRYSTAL

amorphisation and recrystallisation GROWTH









Catalytic hydroprocessing of coal-derived ENERGY & FUELS

gasification residues to fuel blending stocks: Effect

of reaction variables and catalyst on

hydrodeoxygenation (HDO), hydrodenitrogenation

(HDN), and hydrodesulfurization (HDS)



Skeletal isomerization of Fischer-Tropsch-derived ENERGY & FUELS

pentenes: The effect of oxygenates

Oligomerization of Fischer-Tropsch olefins to ENERGY & FUELS

distillates over amorphous silica-alumina









The application of the attainable region analysis to CHEMICAL ENGINEERING

comminution SCIENCE









Preliminary investigation on fuel related properties JOURNAL OF THE ENERGY

of clove stem oil-diesel blended fuels and INSTITUTE

performance parameters of diesel engine

Solar energy trial in folovhodwe South Africa: RENEWABLE ENERGY

Lessons for policy and decision-makers



Solar chimney power plant performance JOURNAL OF SOLAR

ENERGY ENGINEERING-

TRANSACTIONS OF THE

ASME

Flow through a solar chimney power plant collector- JOURNAL OF SOLAR

to-chimney transition section ENERGY ENGINEERING-

TRANSACTIONS OF THE

ASME

Filtration combustion of hydrogen-air, propane-air, COMBUSTION EXPLOSION

and methane-air mixtures in inert porous media AND SHOCK WAVES



Selected papers from the Third HEFAT Conference HEAT TRANSFER

ENGINEERING

Renewable energy for sustainable development in RENEWABLE &

Africa: a review SUSTAINABLE ENERGY

REVIEWS

Effects of autoclaving and charcoal on root- BIORESOURCE

promoting substances present in water extracts TECHNOLOGY

made from gelling agents



Development of a plate-fin type gas turbine JOURNAL OF

recuperator MECHANICAL SCIENCE

AND TECHNOLOGY



The estimation of knock-points of fuels by a FUEL

weighted mean square error criterion



Soil bacterial functional diversity as influenced by BIORESOURCE

organic amendment application TECHNOLOGY

Heat integration of multipurpose batch plants using APPLIED THERMAL

a continuous-time framework ENGINEERING



Critical evaluation of solar chimney power plant SOLAR ENERGY

performance



Effect of coal particle size distribution on packed FUEL

bed pressure drop and gas flow distribution



Laboratory heat transfer experiments on a 155 mm JOURNAL OF PRESSURE

compound gun tube with full length integral mid-wall VESSEL TECHNOLOGY-

cooling channels TRANSACTIONS OF THE

ASME

Dewatering ultrafine clean coal in a T. H. Filter Press COAL PREPARATION







The addition of red lead to flat plate and tubular JOURNAL OF POWER

valve regulated miners cap lamp lead-acid batteries SOURCES



Ion energy dependence of nanodol formation by SOLAR ENERGY

nitrogen-bombarded InP MATERIALS AND SOLAR

CELLS

Numerical simulation of the combined effects of JOURNAL OF THE ENERGY

natural gas composition and pilot diesel fuel INSTITUTE

injection pressure on the dual-fuel combustion of a

natural gas-air mixture under constant-volume

conditions

A versatile computer simulation model for rotary HEAT TRANSFER

regenerative heat exchangers ENGINEERING



Solid phosphoric acid oligomerisation: Manipulating FUEL PROCESSING

diesel selectivity by controlling catalyst hydration TECHNOLOGY



Numerical investigation of fan performance in a APPLIED THERMAL

forced draft air-cooled steam condenser ENGINEERING



An approach to rural distribution network design for ENERGY CONVERSION

sub-Saharan Africa AND MANAGEMENT



An analysis of off grid electrical systems in rural ENERGY CONVERSION

Sub-Saharan Africa AND MANAGEMENT



Distillate production by oligomerization of Fischer- ENERGY & FUELS

Tropsch olefins over solid phosphoric acid



Reaction kinetics of pulverized coal-chars derived FUEL

from inertinite-rich coal discards: Characterisation

and combustion

Reaction kinetics of pulverized coal-chars derived FUEL

from inertinite-rich coal discards: Gasification with

carbon dioxide and steam

Sanitary hot water consumption patterns in ENERGY CONVERSION

commercial and industrial sectors in South Africa: AND MANAGEMENT

Impact on heating system design



Scheduled Online in 2010 NUCLEAR PLANT JOURNAL



Syngas production from South African coal sources INTERNATIONAL JOURNAL

using Sasol-Lurgi gasifiers OF COAL GEOLOGY



Kinetic analysis of non-isothermal FUEL

thermogravimetric analyser results using a new

method for the evaluation of the temperature

integral and multi-heating rates

The interim fuel storage facility of the PBMR ANNALS OF NUCLEAR

ENERGY



Induced structural damages by He+ irradiation in SOLAR ENERGY

conducting transparent indium-tin oxide thin films MATERIALS AND SOLAR

CELLS

Pebble bed modular reactor (PBMR) NUCLEAR PLANT JOURNAL



Fed batch production of hydrogen from palm oil mill INTERNATIONAL JOURNAL

effluent using anaerobic microflora OF HYDROGEN ENERGY



A characterisation of the surface properties of an FUEL

ultra fine fly ash (UFFA) used in the polymer industry



Alkaline hydrothermal zeolites synthesized from FUEL

high SiO2 and Al2O3 co-disposal fly ash filtrates



Numerical investigation into the effect of cross-flow APPLIED THERMAL

on the performance of axial flow fans in forced ENGINEERING

draught air-cooled heat exchangers

The importance of the Coriolis force on CHEMICAL ENGINEERING

axisymmetric horizontal rotating thin film flows AND PROCESSING



Consolidated bioprocessing of cellulosic biomass: CURRENT OPINION IN

an update BIOTECHNOLOGY



A dependency of quantum efficiency of silicon IEEE PHOTONICS

CMOS n(+)pp(+) LEDs on current density TECHNOLOGY LETTERS



Heat transfer characteristics of a quadratic Koch HEAT TRANSFER

island fractal heat exchanger ENGINEERING



Optimising trans-national power generation and ENERGY POLICY

transmission investments: a Southern African

example

Hydrocracking of iron-catalyzed Fischer-Tropsch ENERGY & FUELS

waxes

The effect of ionisation of spray in cooling air on the APPLIED THERMAL

wetting characteristics of finned tube heat ENGINEERING

exchanger

The occurrence of potentially hazardous trace INTERNATIONAL JOURNAL

elements in five Highveld coals, South Africa OF COAL GEOLOGY





On adapting a small PM wind generator for a IEEE TRANSACTIONS ON

multiblade, high solidity wind turbine. ENERGY CONVERSION



Energy services in sub-Saharan Africa: how ENERGY POLICY

conducive is the environment?



Chemical fractionation tests on South African coal FUEL

sources to obtain species-specific information on

ash fusion temperatures (AFT)

Investigation of delamination in an edge-defined SOLAR ENERGY

film-fed growth photovoltaic module MATERIALS AND SOLAR

CELLS

Selected Papers from the Second HEFAT HEAT TRANSFER

Conference ENGINEERING

Influence of spiral angle an heat transfer during HEAT TRANSFER

condensation inside spiralled micro-fin tubes ENGINEERING





Thermal upgrading of Fischer-Tropsch olefins ENERGY & FUELS





Heat transfer during annular tube contact in a HEAT TRANSFER

helically coiled tube-in-tube heat exchanger ENGINEERING



A model of household energy services in a low- ENERGY POLICY

income rural African village



Numerical investigation of the effect of inlet flow APPLIED THERMAL

distortions on forced draught air-cooled heat ENGINEERING

exchanger performance

Thermodynamics analysis of processes. 1. INDUSTRIAL &

Implications of work integration ENGINEERING

CHEMISTRY RESEARCH

Integral 3-D thermal, electrical and mechanical IEEE TRANSACTIONS ON

design of an automotive DC/DC converter POWER ELECTRONICS



Refinement of the transfer characteristic correlation HEAT TRANSFER

of wet-cooling tower fills ENGINEERING



The modeling of the combustion of high-ash coal- FUEL

char particles suitable for pressurised fluidized bed

combustion: shrinking reacted core model

Spontaneous combustion of carbonaceous FUEL

stockpiles. Part I: The relative importance of various

intrinsic coal properties and properties of the

reaction system

Spontaneous combustion of carbonaceous FUEL

stockpiles. Part II. Factors affecting the rate of the

low-temperature oxidation reaction

Improving seedling vigour of indigenous medicinal BIORESOURCE

plants with smoke TECHNOLOGY





Meeting electrification's social objectives in South ENERGY POLICY

Africa, and implications for developing countries



APMP international comparison of AC-DC transfer IEEE TRANSACTIONS ON

standards at the lowest attainable level of INSTRUMENTATION AND

uncertainty MEASUREMENT





Porosity measurements of electrodes used in lead- JOURNAL OF POWER

acid batteries SOURCES



Immobilized white-rot fungal biodegradation of BIORESOURCE

phenol and chlorinated phenol in trickling packed- TECHNOLOGY

bed reactors by employing sequencing batch

operation

Air-cooling induced from spinning of spin-casting APPLIED THERMAL

moulds ENGINEERING



Influence of temperature inversions on wet-cooling APPLIED THERMAL

tower performance ENGINEERING



Development of a thermofluid model for axial field IEEE TRANSACTIONS ON

permanent-magnet machines ENERGY CONVERSION





Convective heat transfer coefficients in concentric HEAT TRANSFER

annuli ENGINEERING



Current-voltage characteristics of high- PROGRESS IN

concentration, photovoltaic arrays PHOTOVOLTAICS



Physical and chemical properties of fully synthetic ABSTRACTS OF PAPERS

aviation turbine fuel from coal. OF THE AMERICAN

CHEMICAL SOCIETY

Sasol slurry phase distillate(TM) semi-synthetic ABSTRACTS OF PAPERS

aviation turbine fuel. OF THE AMERICAN

CHEMICAL SOCIETY

An open oscillatory heat pipe water pump APPLIED THERMAL

ENGINEERING

Evaluation of performance parameters of PV RENEWABLE ENERGY

modules deployed outdoors



Use of turbines for simultaneous pressure ENERGY CONVERSION

regulation and recovery in secondary cooling water AND MANAGEMENT

systems in deep mines

New interpretation reveals potential in onshore OIL & GAS JOURNAL

Algoa basin, South Africa

Ethanol-diesel fuel blends - a review BIORESOURCE

TECHNOLOGY



Transition processes in filtration gas combustion COMBUSTION EXPLOSION

AND SHOCK WAVES



Monitoring current-voltage characteristics and RENEWABLE ENERGY

energy output of silicon photovoltaic modules



Using turbine expanders to recover exothermic ENERGY

reaction heat - flow sheet development for typical

chemical processes

One-step methyl isobutyl ketone synthesis from CHEMICAL ENGINEERING

acetone and hydrogen using Amberlyst((R)) CH28 AND PROCESSING





The early adoption of green power by Dutch ENERGY POLICY

households - An empirical exploration of factors

influencing the early adoption of green electricity for

domestic purposes

Synthesis and characterization of cross-linked JOURNAL OF POWER

chitosan membranes for application as alternative SOURCES

proton exchange membrane materials in fuel cells



Renewable energy policy in South Africa: policy ENERGY POLICY

options for renewable electricity



Energy and the World Summit on Sustainable ENERGY POLICY

Development: what next?



Calculation of eddy current loss in axial field IEEE TRANSACTIONS ON

permanent-magnet machine with coreless stator ENERGY CONVERSION



Alternative oxidants for silicon fuel in time-delay COMBUSTION SCIENCE

compositions AND TECHNOLOGY



The amenability of some Witbank bituminous ultra FUEL PROCESSING

fine coals to binderless briquetting TECHNOLOGY





Assessment of wood-inhabiting Basidiomycetes for BIORESOURCE

biokraft pulping of softwood chips TECHNOLOGY

Investigation of foreign particles in polycrystalline SOLAR ENERGY

silicon using infrared microscopy MATERIALS AND SOLAR

CELLS



Neural network applications for detecting process CHEMICAL ENGINEERING

faults in packed towers AND PROCESSING





Multiproject baselines for evaluation of electric ENERGY POLICY

power projects



Converting plant biomass to fuels and commodity SOUTH AFRICAN JOURNAL

chemicals in South Africa: a third chapter? OF SCIENCE



Clean coal conversion options using Fischer- FUEL

Tropsch technology



Demand side management for commercial ENERGY CONVERSION

buildings using an inline heat pump water heating AND MANAGEMENT

methodology

Quantifying exploration back-in options using DCF OIL & GAS JOURNAL

method undervalues asset

Solar chimney turbine characteristics SOLAR ENERGY





The use of thermogravimetry in establishing the FUEL

Fischer tar of a series of South African coal types



Thermal modelling of an axial flux permanent APPLIED THERMAL

magnet machine ENGINEERING





Numerical investigation of the effect of fan APPLIED THERMAL

performance on forced draught air-cooled heat ENGINEERING

exchanger plenum chamber aerodynamic behaviour



Analysis of the effect of parasitic resistances on the RENEWABLE ENERGY

performance of photovoltaic modules



Improving the understanding of a novel complex CHEMICAL ENGINEERING

azeotropic distillation process using a simplified AND PROCESSING

graphical model and simulation







Distributed generation in Nigeria's new energy POWER ENGINEER

industry

Comments on the use of tracers to test dense- COAL PREPARATION

medium plant efficiency



Galerkin finite element analysis of spin casting APPLIED THERMAL

cooling process ENGINEERING

Cleaner flue gas and energy recovery through pinch JOURNAL OF CLEANER

analysis PRODUCTION





Selected papers from the First HEFAT Conference HEAT TRANSFER

ENGINEERING

Heat transfer and pressure drop characteristics of HEAT TRANSFER

angled spiraling tape inserts in a heat exchanger ENGINEERING

annulus

Loss coefficient correlation for wet-cooling tower fills APPLIED THERMAL

ENGINEERING



Effect of wet screening on particle size distribution FUEL

and coal properties



Integration of a turbine expander with an ENERGY

exothermic reactor loop - Flow sheet development

and application to ammonia production



Small and moderate Prandtl number convection in a INTERNATIONAL JOURNAL

porous layer heated from below OF ENERGY RESEARCH



Relationship between chemical composition and FUEL PROCESSING

pyrolysis behaviour of a medium temperature pitch TECHNOLOGY

(or Lurgi-gasifier pitch)



The influence of the pickling and curing processes JOURNAL OF POWER

in the manufacturing of positive tubular electrodes SOURCES

on the performance of lead-acid batteries



Assessment of the wind power potential at SANAE RENEWABLE ENERGY

IV base, Antarctica: a technical and economic

feasibility study

South Africa's east coast frontier offers untested OIL & GAS JOURNAL

mid to deepwater potential

Empirical model for methane oxidation using a FUEL

composted pine bark biofilter



Diesel engine failures due to combustion INDUSTRIAL LUBRICATION

disturbances, caused by fuel with insufficient AND TRIBOLOGY

lubricity

Pressure drop in solar power plant chimneys JOURNAL OF SOLAR

ENERGY ENGINEERING-

TRANSACTIONS OF THE

ASME

Biodegradation of waste cellulose JOURNAL OF POLYMERS

AND THE ENVIRONMENT





Design of a physical model of the PBMR with the NUCLEAR ENGINEERING

aid of Flownet AND DESIGN

Measurement and verification of a motor ENERGY

sequencing controller on a conveyor belt





Deepwater 2D data reveal Orange basin objectives OIL & GAS JOURNAL

off western South Africa

Modelling the effects of natural gas composition on JOURNAL OF THE

dual-fuel combustion under constant-volume INSTITUTE OF ENERGY

conditions

An assessment of South African prepaid electricity ENERGY POLICY

experiment, lessons learned, and their policy

implications for developing countries



Electricity and externalities in South Africa ENERGY POLICY





Characterization of degradation in thin-film RENEWABLE ENERGY

photovoltaic module performance parameters





A novel method to detect broken rotor bars in IEEE TRANSACTIONS ON

squirrel cage induction motors when interbar ENERGY CONVERSION

currents are present

Experimental design and statistical evaluation of a FUEL PROCESSING

full-scale gasification project TECHNOLOGY



Solar chimney turbine performance JOURNAL OF SOLAR

ENERGY ENGINEERING-

TRANSACTIONS OF THE

ASME

Calculation of pressure and density in solar power JOURNAL OF SOLAR

plant chimneys ENERGY ENGINEERING-

TRANSACTIONS OF THE

ASME

Derating of induction motors operating with a IEEE TRANSACTIONS ON

combination of unbalanced voltages and over or ENERGY CONVERSION

undervoltages



Investigation of the cooling of spin-casting moulds APPLIED THERMAL

ENGINEERING



The economics of energy efficiency for the poor - a ENERGY

South African case study



Biodegradation of wastepaper by cellulase from BIORESOURCE

Trichoderma viride TECHNOLOGY





Utilisation of reactor heat in methanol synthesis to APPLIED THERMAL

reduce compressor duty - application of power cycle ENGINEERING

principles and simulation tools

Biodevelopment of wastepaper as a resource of ENERGY & FUELS

renewable energy: Influence of enzyme

concentration and paper amount on the

bioconversion process

Effect of cross-flow on the performance of air- APPLIED THERMAL

cooled heat exchanger fans ENGINEERING



The effectiveness of lime, chicken manure and leaf BIORESOURCE

litter ash in ameliorating acidity in a soil previously TECHNOLOGY

under black wattle (Acacia mearnsii) plantation



Consider comprehensive CPD efforts to cut costs - HYDROCARBON

With performance real-time field data, designers PROCESSING

can devise process retrofits at the conceptual stage

that control project scope and minimize engineering

revisions during FEED and detailed engineering



Nutrient availability and maize growth in a soil BIORESOURCE

amended with earthworm casts from a South TECHNOLOGY

African indigenous species



Optimize surge vessel control - Proportional only HYDROCARBON

algorithm complements multivariable predictive PROCESSING

control

Optimal optical generation profiles in a-Si : H p-i-n SOLAR ENERGY

solar cells MATERIALS AND SOLAR

CELLS

Effect of interface states at the SnO2/p-a-Si : H SOLAR ENERGY

interface in an a-Si : H solar cell MATERIALS AND SOLAR

CELLS

An investigation of the effects of diesel pilot JOURNAL OF THE

injection parameters on natural gas combustion INSTITUTE OF ENERGY

under diesel conditions

Experiments and modelling of natural gas INTERNATIONAL JOURNAL

combustion ignited by a pilot diesel fuel spray OF THERMAL SCIENCES



Microbial, chemical and physical aspects of citrus BIORESOURCE

waste composting TECHNOLOGY



Long-term monitoring of photovoltaic devices RENEWABLE ENERGY





Spectral response of a-Si : H p-i-n solar cells SOLAR ENERGY

MATERIALS AND SOLAR

CELLS

Some thermal studies on pyrotechnic compositions JOURNAL OF THERMAL

ANALYSIS AND

CALORIMETRY

HVAC control strategies to enhance comfort and ENERGY AND BUILDINGS

minimise energy usage

Dams and development - An insight to the report of IRRIGATION AND

the World Commission on Dams DRAINAGE



A performance comparison between an air-source INTERNATIONAL JOURNAL

and a ground-source reversible heat pump OF ENERGY RESEARCH



The design and experimental verification of heat INTERNATIONAL JOURNAL

exchanger accumulators used in small OF ENERGY RESEARCH

commercially available air conditioning systems

A continually online trained neurocontroller for IEEE TRANSACTIONS ON

excitation and turbine control of a turbogenerator ENERGY CONVERSION



How to efficiently plan a grassroots refinery HYDROCARBON

PROCESSING

Limiting carrier effect in a-Si : H solar cells SOLAR ENERGY

MATERIALS AND SOLAR

CELLS

Analysis of zenith luminance data for all sky RENEWABLE ENERGY

conditions



Fischer-Tropsch: a futuristic view FUEL PROCESSING

TECHNOLOGY





Biotechnology and the utilization of biowaste as a TRENDS IN

resource for bioproduct development BIOTECHNOLOGY



Make your next turnaround the best ever HYDROCARBON

PROCESSING

Neural network modelling of coal pyrolysis FUEL





Demand side management for water heating INTERNATIONAL JOURNAL

installations in South African commercial buildings OF ENERGY RESEARCH





Air-cooled heat exchanger inlet flow losses APPLIED THERMAL

ENGINEERING



Solar chimney cycle analysis with system loss and JOURNAL OF SOLAR

solar collector performance ENERGY ENGINEERING-

TRANSACTIONS OF THE

ASME

Compressible flow through solar power plant JOURNAL OF SOLAR

chimneys ENERGY ENGINEERING-

TRANSACTIONS OF THE

ASME

Improve APC uptime using analyzers with predictive HYDROCARBON

models PROCESSING

Environmental impacts associated with an INTERNATIONAL JOURNAL

abandoned mine in the Witbank Coalfield, South OF COAL GEOLOGY

Africa

A study on zenith luminance on Madrid overcast RENEWABLE ENERGY

skies



Development of an alternative laboratory method to FUEL

determine thermal fragmentation of coal sources

during pyrolysis in the gasification process



Control level under fouling conditions HYDROCARBON

PROCESSING

Modern advanced control pays back rapidly HYDROCARBON

PROCESSING

Implementing a refinery information system HYDROCARBON

PROCESSING

Current-voltage curve asymmetry in a-Si : H solar SOLAR ENERGY

cells MATERIALS AND SOLAR

CELLS

X-ray fluorescence investigation of the Ga SOLAR ENERGY

distribution in Cu(In,Ga)Se-2 thin films MATERIALS AND SOLAR

CELLS

Seven sedimentary rock reference samples from OIL SHALE

Estonia







Trial run of FCCU additive reduces fuel-oil OIL & GAS JOURNAL

production in heavy feed

Performance analysis of a shaded-pole linear IEEE TRANSACTIONS ON

induction motor using symmetrical components, ENERGY CONVERSION

field analysis, and finite element method

Development of energy model based on total daily RENEWABLE ENERGY

irradiation and maximum ambient temperature



The influence of return loop flow rate on HEAT TRANSFER

stratification in a vertical hot water storage tank ENGINEERING

connected to a heat pump water heater

Developing cost efficient control strategies to APPLIED ENERGY

ensure optimal energy use and sufficient indoor

comfort

Computer simulation of the effect of phosphorous SOLAR ENERGY

doping of the i-layer in a thin-film a-Si : H p-i-n solar MATERIALS AND SOLAR

cell CELLS

Enhancing the impact of heat pump water heaters ENERGY

in the South African commercial sector



Analysis and performance of an ironless stator axial IEEE TRANSACTIONS ON

flux PM machine ENERGY CONVERSION



The influence of a variable volume water heater on IEEE TRANSACTIONS ON

the domestic load profile ENERGY CONVERSION

Generating power and controversy: Understanding

Tanzania's independent power projects





Financing strategies for growth in the renewable

energy industry in South Africa









Energy efficient lighting and energy management





Performance evaluation of a 2 MW wind power

project



A solar energy resources assessment in

Mozambique







Decision support for evaluating energy demand in

vinification processes using fuzzy sets theory



Crude oil price movements and their impact on

South Africa



Technologies that contribute to reducing

environmental impacts of electrical production





The electricity supply industry in the Democratic

Republic of the Congo



Performance of a parabolic trough solar collector







Climate change mitigation: Capacity building and

training for SADC





From technology transfer to participative design: A

case study of pollution prevention in South African

townships

Safety issues relating to paraffin usage in Eshane,

Kwazulu-Natal





Energy price responsiveness in Zimbabwean

mining and manufacturing: A disaggregated

demand analysis

Replacement depreciation and price regulation





Demand for energy in Zimbabwe industries: An

aggregated demand analysis



Modelling and simulation of a solar absorption

cooling system for India





Estimating collectable solar energy by partially

shaded collectors using custom-designed charts

and tables: Demonstration for typical Zimbabwe

locations

Application of solar energy in the initial crude oil

treatment process in oil fields



Quantifying benefits of energy efficient house

design through monitoring of specified air quality

and household energy activity

Household paraffin consumption in four areas:

Benoni, Galeshewe, Gugulethu and Lady Grey





Granny shows the way: Results from implementing

an alternative fire-lighting method in Orange Farm





Stainless steel finned tube heat exchanger design

for waste heat recovery



From SHS to grid electricity in low-income rural

households



Determination of the impact on the standing losses

of installing blankets to electric hot water heaters in

South Africa

Measurement and verification of a municipal water

pumping project





How relevant to sub-Saharan Africa is the Kyoto

Protocol?



A heat pipe heat recovery heat exchanger for a mini-

drier



The impact of higher oil prices on Southern African

countries

A comparison of air emissions of thermal power

plants in South Africa and 15 European countries



Enhancing the efficiency of formal low-cost houses

by the development of a new low-cost ceiling system



The targeting of industrial energy audits for DSM

planning





Policies and scenarios for Cape Town's energy

future: Options for sustainable city energy

development



Constructing a greenhouse gas emissions inventory

using energy balances: The case of South Africa for

1998



Household energy needs and utilization patterns in

the Giyani rural communities of Limpopo Province,

South Africa

Energy and economic development: Challenges for

South Africa





Implementing energy efficiency policy in housing in

South Africa





A floating dome biogas digester: Perceptions of

energising a rural school in Maphephetheni,

KwaZulu-Natal

Carbon dioxide emissions from vehicles fuelled with

ethanol mixtures



The impacts of efficient residential lighting in

Matatiela, South Africa



Climate change mitigation: A training manual





A business model to overcome barriers to entry in

the South African downstream petroleum industry





Implementation of DSM strategies at the Kopanang

Mine





Testing the mitigation manual on trainers

Thermal modelling of a night sky radiation cooling

system





Consumer choice in an energy efficient lighting

context



Energy audit studies at the Tlokweng College of

Education - Gaborone, Botswana



Energizing Africa - A perspective from the South

African electrification experience





Prospects for efficient residential lighting in South

Africa



Energy audit studies at the Tlokweng College of

Education - Gaborone, Botswana



The findings on the pilot study application of the

South African Energy and Demand Efficiency

Standard



National policies and the CDM: Avoiding perverse

incentives



An energy management decision tool for induction

motor replacement/renewal



The energy profile of a rural community





The potential impact of the electricity basic services

support tariff on indoor air pollution and health in

South Africa

Energy management at a tertiary institution









Gender and income generation: A case study of the

Malamangwa community, Limpopo Province, South

Africa



An energy management tool for cryogenic air

separation plants





Thermal management of SUNSAT

A framework for energy management in cryogenic

air separation plants



The potential impact of an electricity basic services

tariff in non-grid electricity



Carbon financing for energy efficient low cost

housing



The scenario development of the carbon emission

offset projects for the 2002 world summit on

sustainable development

Phasing in the use of cleaner fuels in South African

industries: Policies, technologies and costs





Load shifting potential in South African mines









How Conducive to Electrification is the African Rural

Environment?



Dissemination of Solar Water Heaters in South

Africa: Policy Perspectives





Human contact with medium voltage lines:

Evaluation of high impedance earth fault detection

and protection

Bulletin Board to Operational Forward Energy

Market





Eskom's first experience with Wind Energy





Combining complex atmosphere aerosol research

with scientific outreach over the industrialised

highveld



Dish Stirling Applications for Rural Development





Inorganic direct methanol fuel cell







The use of EMI techniques to identify faults on

Eskom generators

PLC: Demonstrating the convergence capability of

the Technology





Mill maintenance enhancement through rotating

throat installations





Increasing network capacity by optimising voltage

regulation on medium and low voltage feeders





Proactive mitigation for Avian collision hazards





Development of 400Kv Guyed Strain structures







Energy efficiency and job creation - An input-output

model approach





How to use the commercial benchmarking

database to establish the potential of an energy-

efficiency upgrade in a commercial building



Sustainability issues in the restructured electricity

supply industry



Privatisation and liberalisation of the South African

electricity industry



The impact of electrification on other fuel uses: A

case study comparing two neighbouring areas in

the Limpopo Province

An insight on a three-fluid absorption refrigeration

machine based on experimental data



Development of a heat pipe (two-phase closed

thermosyphon) heat recovery heat exchanger for a

spray drier



An optimal energy and greenhouse gas mitigation

path for South Africa in the short to medium term









24-hour temperature prediction: A comparison of an

Al-model with conventional algorithms/mathematical

methods

Can carbon credits make solar home system

projects more viable?





Towards sustainable energy development - Policy

challenges for South Africa





Potential impacts of electricity industry restructuring

on renewable energy and energy efficiency





Stakeholders interaction in developing policy around

ESI restructuring in South Africa





A solar powered, back-to-back, liquid piston stirling

engine for water pumping





The safety of paraffin and LPG appliances for

domestic use





The use of neural networks to baseline the energy

use of a campus

KW

Biomass; Cleaning and cooling system;

Gasification; Wood-chip gasifier









clean development mechanism (CDM);

emission credits; project investment









sub-Saharan Africa; sustainable energisation;

technology diffusion and user-centred design





SUSTAINABLE DEVELOPMENT; CLIMATE-

CHANGE; EMISSIONS; COSTS









motor life and temperature rise; voltage

unbalance









Fischer-Tropsch synthesis; cobalt catalyst;

ethanol addition





domestic energy; fuelwood; electricity









CHAIN N-ALKANES; ZIRCONIA

CATALYSTS; SILICA-ALUMINA;

HYDROISOMERIZATION; HEXADECANE;

ISOMERIZATION; CONVERSION; ACIDITY;

BALANCE; DECANE





bagasse; ethanol; co-generation; life-cycle

assessment

poverty; electrification; LPG









Trametes versicolor; fungal bioremediation;

laccase; phenol; microbial activity









microwave heating model; infinite slab;

Hermite-Pade approximants; bifurcation study









Monte Carlo model; stochastic model;

deterministic model; building thermal

simulation; temperature distribution;

convolution





DMFC; catalyst; SECM; EIS









computer simulation; crystal structure; energy

storage; recrystallisation; oxides









SOLVENT-REFINED COAL; CETANE

IMPROVEMENT; PORE STRUCTURE;

WATER; DISTILLATES; QUINOLINE; OIL;

HYDROGENATION; KINETICS; PHENOLS







ETHERIFICATION; 1-PENTENE;

METHANOL; DEHYDRATION; CATALYSTS;

CRACKING; ZEOLITE; BUTENES; HZSM-5;

WATER

DIESEL FUELS; BED REACTOR;

CATALYSTS; ZSM-5; CONVERSION;

LIQUID; ACID; POLYMERIZATION;

DIMERIZATION; ZEOLITES







attainable regions; comminution; specific

energy; population balance model; process

synthesis; optimization









clove steam oil; diesel engine; diesel fuels;

fuel properties; performance



solar energy; pilot projects; renewable energy;

service providers; end users; policy and

decision makers

THEORETICAL PERFORMANCE; MODEL







solar energy; solar chimney; solar tower;

radial-to-axial flow; transition duct; loss

coefficient



filtration combustion; porous media; hydrogen;

methane; propane; Lewis number







renewable energy; sustainable development;

environment; Africa



agar; auxin-like activity; Gelrite; mungbean

bioassay; rooting









bootstrap; efficiency curve; fuel blends





bootstrap; efficiency curve; fuel blends

Independent power projects; Power purchase

agreements; Power sector reform; Tanzania;

Tanzania Electric Supply Company Limited



Barriers to investment; Carbon credits;

Carbon trading; Dean development

mechanism; Financing process; Investment

motives; Renewable energy; Seed capital;

Sustainable development; Venture capital



Efficacy; Energy audit; Lighting efficiency





Performance; Power coefficient; Rating

power; Shutdown; System availability



Resources assessment; Solar energy; Solar

radiation components; Southern Africa







Energy minimization; Fuzzy logic; Maceration;

Vinification; Wine industry



Dependence; Domestic resource; Inflation;

Price fluctuations; Supply management



Electrical production; Energy consumption;

Energy technology; Environmental impacts;

Research and development



Electricity use; Hydropower; Public private

partnership



Acceptance angle; Optical efficiency;

Parabolic trough collector; Time constant









Air pollution; Devolatilised coal; Electrification;

eMbalenhle air quality project; Low-smoke

stoves low-smoke fuels

Energy usage; Eshane; Households; Kwazulu-

Natal; Paraffin; Paraffin-related injuries;

Safety measures



Energy share equations; Interfuel substitution;

Own-and cross-price elasticities of demand;

Taxes

Depreciation; Depreciation lifetimes; Price

regulation; Replacement cost



Elasticites; Interfuel substitution; Taxes;

Translog



Cooling; Flat plate collector; Simulation; Solar

absorption; Water-lithium bromide solution





Charts collector; Shading analysis; Solar

geometry





Ecology; Fossil fuels; Heat exchanger; Initial

crude oil treatment; Parabolic trough solar

plant; Solar reactor

Air quality; Benoni; Energy efficient design;

Fuel expenditure; Lady Grey; Low-cost

housing; Space heating

Association of South Africa; Benoni; Energy

expenditure; Galeshewe; Gugulethu;

Households; Lady Grey; Paraffin; Paraffin

Safety

Air pollution; Basa Njengo Magogo fire lighting

method; Coal; Firewood; Orange Farm.





High pressure; High temperature; Radial

finned tubes; Stainless steel heat exchanger.



Domestic electrical equipment; Grid electricity;

Maphephetheni; Solar Home (PV) systems



Blankets; Demand side management; Hot

water heaters; Measurement and verification;

Standing losses

Baseline development; Load management;

Measurement and verification; Water pumping





Clean development mechanism; Kyoto

Protocol; Sub-Saharan Africa



Air drying; Energy savings; Heat pipe heat

exchangers; Thermosyphons



Oil dependence; Oil intensities; Price shocks;

Vulnerability

Air pollution; Electricity; Pollutant register;

Power generation



Energy efficiency; Installation; Low-cost

ceiling system; Low-cost housing; Thermal

efficiency

Demand side management; Electricity

consumption; Energy audits; Energy saving;

Industrial energy audits; Payback periods



Cape Town; Energy development; Energy

policy; Energy savings; Energy use patterns;

Sustainable development



Economic sectors; Emission factors; Energy

balances; Greenhouse gas emissions;

Greenhouse gas inventory; IPCC; South Africa



Energy sources; Giyani rural communities;

Households; Houseld energy; Limpopo

Province; South Africa

Energy economy linkages; Energy for

sustainable development; Energy supply and

consumption; Externalities



Energy efficiency in housing; Residential

based carbon reduction; Sustainable

development in housing; Thermal comfort in

housing.

Biogas; Myeka High School; Rural

electrification; School energisation.









Compact fluorescent lamps; Energy

consumption; Free give-aways; Market

transformation







Basic fuel price; Downstream petroleum

industry; Energy White Paper; Import parity

price; Petroleum products



Demand side management; Kopanang Mine;

Optimum operating schedule

Night sky radiation cooling; Radiation cooling

system; Sky radiation cooling; Thermal

modelling



Compact fluorescent lamps; Market

transformation; Public awareness; Residential

lighting

Energy audit; Energy efficient facilities;

Energy-efficiency



Electricity consumption; Electrification

initiative; Electrification programme; Eskom;

South Africa



Compact fluorescent lamps; Residential

lighting; Savings



Energy audit; Energy efficient facilities;

Energy-efficiency



Efficient buildings; Energy guideline; Energy

standard; Energy-efficiency; SAEDES





CDM Executive Board; Clean Development

Mechanism; Renewable energy projects;

South Africa.

Energy efficiency; Energy intensive plant;

Large induction motors



Energy profile; Energy use; Fuels;

Households; Rural community



Household fuel use; Indoor air pollution and

health; Poverty tariff



Commercial buildings; Cost savings; Energy

management; Energy strategy; Energy usage;

Hostel energy usage; Peak demand; Sub-

metering



Economic development; Energy; Gender;

Income generation; Limpopo Province;

Malamangwa Community; South Africa2004



Cryogenic air separation plants; Energy

conversion model; Energy management





Microsatellites; SUNSAT; Thermal analysis

systems; Thermal management

Cryogenic air separation plants; Energy

management; Energy policy; Energy strategy



EBSST; Free basic services; Non-grid

electrification; Poverty; Rural electrification



Clean development mechanism; Climate

change mitigation; Residential; Thermal

performance







Cleaner fuels; Dirty fuels; Pollution; South

Africa technologies





Demand Side Management; Energy

Management; Load Shifting; Mine Simulation







African rural environment; Electrification;

Policy; Rural communities; Social equity



Botswana; Data analysis; Dissemination

strategies; Solar Water Heating; South Africa

Energy efficiency; Input-output model; Job

creation; Optimisation





Energy benchmarking; Energy database;

Potential energy savings





Electricity; Energy efficiency; Energy policy;

Renewable energy; South Africa;

Sustainability; White Paper

Electricity; Eskom; Liberalisation;

Privatisation; Restructuring models; South

Africa

Energy use; Research methodology; Rural

electrification



Absorption; Experimental data; Refrigeration;

Thermal energy



Heat exchangers; Heat pipes; Heat recovery;

Mathematical modelling; Spray driers; Two-

phase thermosyphon



Baseline; Carbon dioxide emissions; Case

studies; Energy resources; Energy system;

Greenhouse gas; Integrated energy planning;

Integrated resource approach; LEAP model;

MARKAL model; South Africa

Electricity distribution industry; Energy

efficiency; Environment electricity supply

industry; Power sector reform; Renewable

energy; Restructuring

Electricity sector; Electricity supply industry;

Energy white paper; Restructuring;

Stakeholders



Low delta T stirling engine; Rural water

pumping; Solar power – thermal





Energy white paper; LPG appliances; Paraffin;

Stoves; Temperature





Baseline; Demand-side management; Neural

networks

CAT









Energy & Fuels; Environmental Sciences; Environmental Studies









Energy & Fuels; Environmental Sciences; Environmental Studies







Energy & Fuels; Environmental Sciences; Environmental Studies









Energy & Fuels; Engineering, Electrical & Electronic









Energy & Fuels; Engineering, Chemical









Energy & Fuels; Environmental Sciences; Environmental Studies









Energy & Fuels; Engineering, Chemical









Energy & Fuels; Environmental Sciences; Environmental Studies

Energy & Fuels; Environmental Sciences; Environmental Studies









Agricultural Engineering; Biotechnology & Applied Microbiology;

Energy & Fuels









Thermodynamics; Energy & Fuels; Engineering, Mechanical;

Mechanics









Construction & Building Technology; Energy & Fuels;

Engineering, Civil









Electrochemistry; Energy & Fuels









Crystallography









Energy & Fuels; Engineering, Chemical









Energy & Fuels; Engineering, Chemical

Energy & Fuels; Engineering, Chemical









Engineering, Chemical









Energy & Fuels





Energy & Fuels





Energy & Fuels; Engineering, Mechanical







Energy & Fuels; Engineering, Mechanical







Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;

Engineering, Chemical; Materials Science, Multidisciplinary



Thermodynamics; Engineering, Mechanical; Mechanics



Energy & Fuels





Agricultural Engineering; Biotechnology & Applied Microbiology;

Energy & Fuels









Energy & Fuels; Engineering, Chemical





Energy & Fuels; Engineering, Chemical

AB Field22

The present study was undertaken with the objectives to develop a filter system for a 20 kW SN

engine application and to test the filter. It was observed that tar content in the gas ranged from

12.4 to 85 mg/m3, which was considered on the higher side, in so







The Kyoto Protocol's clean development mechanism (CDM) was established in 1997 with the 0301-

dual purposes of assisting non-Annex I Parties in achieving sustainable development and 4215

assisting Annex I Parties in achieving compliance with their quantified greenho







The bulk of rural Africa (as well as much of the third world) remains un-electrified and is 0301-

underserved or poorly served by any other form of modern energy infrastructure. In case of a 4215

deep sub-Sahara African country like Kenya it is often dismissively ar



This article builds on Yohe's seminal piece on mitigative capacity, which elaborates 0301-

'determinants' of mitigative capacity, also reflected in the IPCC's third assessment report. We 4215

propose a revised definition, where mitigative capacity is a country's abi









This paper estimates motor life when a motor is supplied with a combination of over- or 0885-

undervoltages with unbalanced voltages. The motor life is predicted by estimating the stator 8969

winding insulation life of squirrel cage motors using Arrhenius' equations







The effect of the addition of ethanol (2% and 6%) during Fischer-Tropsch (FT) synthesis has 0016-

been investigated using a 10% Co/TiO2 catalyst in a stirred basket reactor (T = 220 degrees 2361

C, P = 8 bar, H-2/CO = 2). The transformation of ethanol vapour (2% and



Following the democratic transition in South Africa in the early 1990s the government has 0301-

implemented a widespread electrification programme, as well as introduced a free basic 4215

electricity allowance as a means of poverty alleviation. Yet there are limited





Iron-based low-temperature Fischer-Tropsch wax, in the carbon number range of C-15-C-45, 0887-

was hydrocracked using an unsulfided Pt/SiO2-Al2O3 catalyst, modified with MoO3. The 0624

selective production of diesel having a low cloud point (-18 degrees C) combined









The energetic utilisation of agricultural residues is considered to be an important element in 0301-

any strategy to achieve renewable energy targets. In the approximately 80 cane-sugar 4215

producing countries there is potential to make better use of the fibrous re

The South African government is introducing a poverty-reduction policy that will supply 0301-

households with a monthly 50 kWh free basic electricity (FBE) subsidy. We show that FBE 4215

distorts the energy choices of poor households by encouraging them to cook with









The successful bioremediation of a phenolic wastewater by Trametes versicolor was found to 0960-

be dependent on a range of factors including: fungal growth, culture age and activity and 8524

enzyme (laccase) production. These aspects were enhanced by the optimisati









We employ Hermite-Pade approximation method to explicitly construct the approximate 1359-

solution of steady state reaction-diffusion equations with source term that arise in modeling 4311

microwave heating in an infinite slab with isothermal walls. In particular, w









A simplified Monte Carlo method for finding an approximation of the building inside 0378-

temperature distribution is given. Present simulation techniques are either over-simplified and 7788

use only a deterministic method, or are highly complex stochastic models. T







The anodes with different morphology for DMFC were prepared, and the influences of the 0378-

microstructure of anode catalyst layer on their electrochemical performance were investigated 7753

by scanning electrochemical microscopy (SECM), scanning electron microscop





The electrochemical properties of gamma-MnO2 are governed by the rich and complex 0022-

microstructure it accommodates. However, characterisation, at the atormstic level, of this 0248

material is difficult experimentally; rather the materials are typified by their X









Gas liquors, tar oils, and tar products resulting from the coal gasification of a high-temperature 0887-

Fischer-Tropsch plant can be successfully refined to fuel blending components by the use of 0624

severe hydroprocessing conditions. High operating temperatures a









Skeletal isomerization of 1-pentene to 2-methyl-1-butene (2M1B) and 2-methyl-2-butene 0887-

(2M2B) provides the precursors for etherification with methanol to produce tertiary amyl methyl 0624

ether ( TAME), an oxygenate fuel additive for octane improvement. Althoug

The oligomerization of Fischer-Tropsch-derived olefins over amorphous silica-alumina (ASA) 0887-

has been investigated at pilot-plant scale in the region of 140-265 degrees C and 3.5-6.8 MPa. 0624

The distillate yield is thermodynamically limited, and yields of 65-7









The aim of any comminution circuit is to produce material of a desired particle size distribution 0009-

(PSD) at a minimum operational cost. Currently, the comminution process is energy intensive 2509

and operates at very low efficiency when the input energy is comp









Oil extracted from clove stems was tested for several important fuel properties and compared 1743-

with standard diesel fuel. The viscosity of this oil lies between the minimum and maximum 9671

required values of the standard diesel fuel. It has very low cetane numb

In Mutale Local Authority of South Africa, a photovoltaic pilot project was commissioned to 0960-

provide off-grid electricity to 582 households residing in Folovhodwe village. The aim was to try 1481

a renewable source of energy supply in a rural settlement area. T

This paper evaluates the performance of a large-scale solar chimney power plant. The study 0199-

considers the performance of a particular reference plant under specified meteorological 6231

conditions at a reference location in South Africa. A computer simulation p



A solar chimney power plant consists of a large greenhouse-type collector surrounding a tall 0199-

chimney. The air heated within the collector passes through an inlet guide vane (IGV)cascade 6231

and then through a transition section to a turbine that powers a gene



The filtration combustion characteristics of hydrogen-air, propane-air, and methane-air 0010-

mixtures in inert porous media have been studied experimentally. It is shown that the 5082

dependences of the combustion wave velocity on the fuel-air equivalence ratio are

0145-

7632

Renewable energy usage in Africa has been reviewed using South Africa. Egypt. Nigeria and 1364-

Mali as case studies. The various national energy policies of these countries were analysed 0321

and areas that require attention to achieve sustainability were highlight

The root-promoting ability of water extracts made from gelling agents (agar and Gelrite) was 0960-

investigated using the mungbean rooting bioassay. Autoclaving these water extracts 8524

decreased the number of roots in mungbean cuttings compared to the controls. Th



A plate-fin type recuperator for a gas turbine/fuel cell hybrid power generation system was 1738-

designed, manufactured, and tested. Performance analysis shows that the performance of the 494X

system is directly affected by the performance of the recuperator. There



For fuels tested at critical compression ratio, the in-cylinder pressure development exhibits a 0016-

distinct change in the pressure rise rate, argued to be the onset of knock. The estimation of 2361

the position of knock is important for the evaluation of the bum

The aim of the present work was to assess the response of microbial functional diversity to 0960-

organic soil amendment and the relationship between the microbial functional diversity and soil 8524

carbon availability. Household solid waste compost, horse and rabbi

Presented in this paper is a continuous-time mathematical formulation for optimization of heat 1359-

integrated batch chemical plants. This formulation is applicable to both multipurpose and 4311

multiproduct facilities in which opportunities for direct heat integra

This paper evaluates the influence of a recently developed convective heat transfer equation, 0038-

more accurate turbine inlet loss coefficient, quality collector roof glass and various types of soil 092X

on the performance of a large scale solar chimney power plan

This paper focuses on the role of coal particle size distribution on pressure drop and gas flow 0016-

distribution through packed coal beds. This fundamental knowledge is helpful in better 2361

understanding the operational behaviour of fixed bed dry bottom gasifier

A 155 nun compound gun barrel with full-length integral mid-wall cooling channels was 0094-

manufactured and connected to a purpose built heat exchanger Laboratory testing of this 9930

system was carried out using electrical heating jackets applied to the outer surf



This study demonstrates a low-cost, high-efficiency filter press technology for dewatering 0734-

minus 150 mm column flotation clean coal products from two coal mines. Pilot-scale in-plant 9343

demonstration of this technology at these two locations provided stable,



The study looked at the use of red lead in the manufacturing of valve regulated lead acid 0378-

(VRLA) miners cap lamp (MCL) batteries that were made with either flat plate or tubular 7753

positive electrodes. A problem with using only grey oxide in the manufacture

When InP is bombarded with noble gas ions or nitrogen ions, nano-scaled sputter cones 0927-

appear on the surface. In this study, we report on the ion energy dependence of the surface 0248

topography due to nitrogen ion bombardment. InP(I 0 0) substrates were bombar

The objective of this work is to investigate numerically the combined effect of natural gas (NG) 1743-

composition and pilot diesel fuel injection pressure on the dual-fuel (DF) combustion of the NG 9671

- air mixture under constant-volume conditions. A three-dimens





A simulation technique for predicting the thermal performance of rotary regenerative heat 0145-

exchangers, in particular those used for heating the intake air to power station boilers, has 7632

been developed and verified by means of site measurements. Various geom

Solid phosphoric acid (SPA) catalyst is traditionally used in crude oil refineries to produce 0378-

unhydrogenated motor-gasoline by propene and butene oligomerisation. SPA is also used in 3820

High-Temperature Fischer-Tropsch refineries (HTFT) to produce synthetic

Inlet air flow distortions in a large air-cooled steam condenser (ACSC), caused by structures, 1359-

wind and other fans may result in a significant reduction in fan performance, or volumetric 4311

effectiveness, as well as fan blade vibration. This phenomenon has a

The bulk of rural populations in sub-Saharan Africa have no access to electricity and are under- 0196-

served by any other form of modern infrastructure. The cost of infrastructure to mainly 8904

scattered communities has been perennially cited as largely to blame. Q

The decade leading up to the end of the last millennium saw systematic unbundling and 0196-

privatisation of power utility companies in Sub-Saharan Africa. The new profit driven 8904

entrepreneurs have swiftly moved to consolidate in urban enclaves and put paid to a

The conversion of Fischer-Tropsch derived olefins over solid phosphoric acid (SPA) is 0887-

practiced commercially. Although it is mostly used for motor-gasoline production, it is also 0624

used to produce distillates to increase refinery flexibility. During distill

An investigation was undertaken to determine the chemical, structural, mineralogical and 0016-

petrographic (maceral groups) properties of coal-chars derived from typical South African 2361

discards, in order to evaluate a suitable combustion reaction rate model. De

An investigation was undertaken to determine the kinetics of gasification of coal-chars 0016-

(pulverized) derived from typical South African inertinite-rich (high-ash) coals involving char 2361

reactions with carbon dioxide and steam and the effects of carbon monox

A large amount of individual sanitary hot water consumers are present in the South African 0196-

residential sector. This led to several studies being done on hot water consumption patterns in 8904

this sector. Large amounts of sanitary hot water are also consumed i



0892-

2055

Sasol has been operating the Sasol-Lurgi fixed bed coal gasification process for more than 0166-

fifty years, and with ninety seven units in operation still remains the world's largest commercial 5162

application of this technology. The combined operational and engi

A technique using non-isothermal thermogravimetric analyser results was developed for the 0016-

validation of reaction rate models together with associated parameters suitable for chemically 2361

controlled gas-solid reactions. The solution of the temperature integr



The PBMR's spent fuel and partially burnt fuel are stored in the sphere storage system (SSS), 0306-

which acts as the interim fuel storage facility of the plant. It is unique in the world since the fuel 4549

is stored in bulk containers (called storage tanks), each

Irradiation of polycrystalline sputter-deposited ITO thin films on float-glass substrates was 0927-

performed with high-energy MeV He+ ion beam implantation at doses in the range 2-6 x 0248

10(+15) ions/cm(2). A significant change in both surface morphology and crys

0892-

2055

Anaerobic production of hydrogen from palm oil mill effluent (POME) by microflora. was 0360-

investigated in 5-1 bioreactor at 60 degrees C and pH 5.5. POME sludge was collected from 3199

the anaerobic pond of a POME treatment plant at a palm oil mill and used as a

Fly ash is the residue from the combustion of pulverised coal in thermal power stations. It 0016-

consists of a variety of particle sizes of hollow silica-alumina spheres, which can be utilised as 2361

a custom made filler material in a number of industries, e.g. pl

A co-disposal reaction was used wherein fly ash (FA) was reacted with acid mine drainage 0016-

(AMD), to collect filtrates for zeolite synthesis. Raw fly ash as well as fly ash leached with HCl 2361

were subjected to the same alkaline hydrothermal zeolite synthesis

Air-cooled heat exchangers (ACHEs) which utilise large arrays of axial fans, commonly suffer 1359-

from inlet flow losses related to off-axis flow into the fans. This investigation aims to extend 4311

current knowledge on the effect of off-axis inflow on the perform

The steady axisymmetric flow of a thin fluid layer on a rotating disk is studied. It is shown that 0255-

within the restrictions of lubrication theory the Coriolis force is of the same magnitude as inertia 2701

and therefore negligible at leading order. In this pape

Biologically mediated processes seem promising for energy conversion, in particular for the 0958-

conversion of lignocellulosic biomass into fuels. Although processes featuring a step dedicated 1669

to the production of cellulase enzymes have been the focus of most

A dependency of quantum efficiency of nn(+)pp(+) silicon complementary metal-oxide- 1041-

semiconductor integrated light-emitting devices on the current density through the active 1135

device areas is demonstrated. It was observed that an increase in current density

Heat exchangers are widely used in the air conditioning and refrigeration industries, and any 0145-

increase in their efficiency will have a positive effect on the industry as well. A new design of 7632

heat exchanger is proposed that will increase the heat transfer

Increased integration and co-operation within the Southern African power sector has opened 0301-

up significant opportunities for reducing the economic and environmental costs of meeting 4215

increasing electricity demand in Southern Africa. This paper applies a lin

Sasol iron-catalyzed Fischer-Tropsch (FT) reactor waxes were hydrocracked at 3.5 and 7.0 0887-

MPa hydrogen pressure to fuels using a NiMo on SiO2/Al2O3 catalyst. The aim was to 0624

predominantly produce diesel. The effects of feed carbon number distribution, react

A major concern when introducing a water spray to pre-cool the air flowing into a finned tube 1359-

heat exchanger is that wetting of the heat exchanger surface may cause corrosion. In an 4311

attempt to prevent droplets from impacting and wetting the heat exchanger

Permian coals of the southern hemisphere are generally considered to contain lower 0166-

concentrations of sulfides, halogens, and trace elements when compared to northern 5162

hemisphere Carboniferous coals. Few studies have considered the trace element content in



This paper explores the design space that exists between multiblade, high-solidity water- 0885-

pumping turbines and modern high-speed two and three-bladed horizontal axis wind turbines 8969

(HAWTs). In particular, it compares the features and performance of a small

The bulk of rural populations in sub-Saharan Africa have no access to electricity and are under- 0301-

served by any other form of modern infrastructure. The cost of infrastructure to mainly 4215

scattered communities has been perennially cited as largely to blame. T

Coals from the different sources used by Sasol vary substantially in terms of chemical and 0016-

physical properties and directly relates to gasifier behavior. Due to the large variation in coal 2361

properties from various sources, detailed coal and feedstock chara

In this study, we have carefully analysed the performance degradation in an edge-defined film- 0927-

fed growth (EFG) module due to delamination and moisture ingress. Our results showed that 0248

this degradation is directly related to the delamination as well as the

0145-

7632

This paper reports the influence of the spiral angle on the heat transfer performance during 0145-

condensation inside spiraled micro-fin tubes having constant geometric parameters such as fin 7632

height,pitch, shape (apex angle), and fin number, as various papers



Thermal oligomerization is a radical based conversion process. It offers specific advantages to 0887-

linear olefinic feed with a high alpha-olefin content, like primary Fischer-Tropsch products. 0624

Thermal oligomerization of C-4-C-14 Fischer-Tropsch feed material

Helically wound tube-in-tube heat exchangers are manufactured by coiling two tubes, one 0145-

placed inside the other. This method often results in the tubes not sharing the same center 7632

line, and therefore annular contact occurs in some cases. An experimental c

Energy use is closely linked to quality of life in rural Africa. The gathering of fuel-wood and 0301-

other traditional fuels is a strenuous and time consuming task mainly performed by women; 4215

indoor exposure to particulate matter, mainly from cooking and heatin

Forced draught air-cooled heat exchangers (ACHEs) are often arranged into banks consisting 1359-

of multiple rows of fan-heat exchanger combinations. Fans on the outer edge of the banks are 4311

subject to severe cross-flow conditions as the air is swept past en rou

This paper describes a new technique to analyze processes with a positive change in the 0888-

Gibbs free energy, AG, based on the second law of thermodynamics. In particular, the 5885

application of a two-stage process, consisting of an endothermic high-temperature

Power electronics is finding increasingly more applications in high temperature environments 0885-

where power density is also a driving factor. The engine compartment of a passenger vehicle 8993

is one such example. In this paper, an integral thermal, electrical, a

Transfer characteristic correlations given in the literature for wet-cooling tower fills are 0145-

generally only a function of the air and water mass flow rates. This is a gross simplification of a 7632

very complex heat and mass transfer (evaporative cooling) proc

An investigation was undertaken involving the combustion of high-ash coal/char particles 0016-

under conditions suitable for pressurised fluidised bed combustion, in order to evaluate an 2361

overall combustion model. The use of very poor quality feedstocks (greater

The likelihood of a coal stockpile or carbonaceous waste dump undergoing spontaneous 0016-

combustion is strongly influenced by factors that relate to both the intrinsic properties of the 2361

material itself, as well as the properties of the reaction system. An und



In part 1 of this paper, the rate of the low-temperature oxidation reaction was found to be 0016-

critical in determining the relative tendency of a carbonaceous material to self heat and hence 2361

undergo spontaneous combustion. A static isothermal apparatus was d

The application of smoke and aqueous smoke solutions stimulates seed germination in a 0960-

number of plant species. This study highlights the effects of aerosol smoke and smoke 8524

solutions on the germination and seedling vigour of three South African indigenous



Electrification programmes and projects are usually planned and evaluated on the basis of 0301-

their economic (financial) and socioeconomic performance. It is not usually recognised that 4215

electrification is often carried out for social objectives of poverty all

This paper presents preliminary results of the APMP.EM-K6a key comparison of ac-dc transfer 0018-

conducted during 2000 to 2003. The ac-dc voltage transfer difference of the travelling standard 9456

was measured at 3 V and selected frequencies from 1 kHz to 1 MHz th





A method is presented that determines the porosity of a complete electrode plate used in lead- 0378-

acid batteries. It requires only elementary equipment and is simple to operate, so that 7753

laboratory workers can use it as a routine method during manufacturing to

The biodegradation of phenol and 2,4,6-trichlorophenol (2,4,6-TCP) by immobilized white-rot 0960-

fungal cultures was studied in pinewood chip and foam glass bead-packed trickling reactors. 8524

The reactors were operated in sequencing batch format. Removal efficien



The quality of spin cast products and mould life are critically dependent on the thermal 1359-

conditions they are exposed to. An investigation was carried out on the effect of air-cooling 4311

induced by the spinning of the mould and its consequences on the thermal

Nocturnal temperature inversions have a detrimental effect on the performance of natural draft 1359-

wetcooling towers. The effects of the temperature inversion profile, the height of the inversion 4311

and the height from which air is drawn into the cooling tower,

In this paper, a thermofluid model combining a lumped parameter heat transfer model and an 0885-

air-flow model of a typical axial-field permanent-magnet (AFPM) machine is developed. The 8969

accuracy and consistency of the derived model are assessed by comparing th



The geometric shape of a passage's cross-section has an effect on its convective heat 0145-

transfer capabilities. For concentric annuli, the diameter ratio of the annular space plays an 7632

important role. The purpose of this study was to determine to what extent

The current-voltage (I-V) characteristics of photovoltaic (PV) systems have always been a 1062-

good indicator of the overall performance of a system. The aim of this paper is to give an 7995

overview and elucidate the use of the I-V characteristics of concentrator

0065-

7727



0065-

7727



The use of an open oscillatory heat pipe (or open pulsating heat pipe) for pumping water is 1359-

considered, as the need to pump water in rural areas remains a primary requirement in 4311

developing rural areas. A possible design for the pump is given and has been

This paper evaluates the performance parameters of five photovoltaic (PV) modules 0960-

comprising crystalline silicon, multi-crystalline silicon and edge-defined film-fed growth (EFG) 1481

silicon technologies. This evaluation was accomplished by measuring and anal

A system is proposed that uses a reverse-running multistage pump acting as a turbine to do 0196-

simultaneous pressure regulation and pressure recovery in secondary cooling water systems 8904

in deep mines. The turbine drives a standard induction motor that acts as

0030-

1388

Ethanol is an attractive alternative fuel because it is a renewable bio-based resource and it is 0960-

oxygenated, thereby providing the potential to reduce particulate emissions in compression- 8524

ignition engines. In this review the properties and specifications

The behavior of gas filtration combustion waves in the low-velocity regime has been studied 0010-

experimentally with variation in the parameters of the gas flow and porous medium. It is shown 5082

that in transition processes there may be quenching or formation of

Photovoltaic (PV) system designers use performance data of PV modules to improve system 0960-

design and make systems more cost effective. The collection of this valuable data is often not 1481

done due to the high costs associated with data acquisition systems. In

The integration of a turbine expander into different types of high pressure, exothermic 0360-

chemical synthesis processes is considered. In conventional systems, the reaction heat is 5442

often transferred to generate steam to drive steam turbines or used for heat

The consecutive condensation, dehydration and hydrogenation of acetone were studied in a 0255-

lab scale trickle bed reactor. Amberlyst(R) CH28, a commercial palladium impregnated cation 2701

exchange resin catalyst was used. Acetone conversions varying from 25 to 5



The results of this study provide empirical insight into factors influencing the early adoption of 0301-

green electricity by Dutch residential users. Earlier research revealed that early adoption is 4215

closely related to social visibility, which is lacking in the



Chitosan membranes cross-linked in sulfuric acid are evaluated for their thermal stability, 0378-

water absorption and proton conductivity properties as alternative proton exchange membrane 7753

(PEM) material for application in fuel cells. Chitosan membranes are fo



Investment in renewable energy and energy efficiency is important to reduce the negative 0301-

economic, social and environmental impacts of energy production and consumption in South 4215

Africa. Currently, renewable energy contributes relatively little to primary

Given the importance of energy issues to sustainable development, energy was a priority issue 0301-

at the World Summit on Sustainable Development in August 2002. The objective of this paper 4215

is to examine the outcomes of the Summit on energy, and to assess them

This paper presents a hybrid method for the calculation of eddy current loss in coreless stator 0885-

axial field permanent-magnet (AFPM) machines. The method combines the use of two- 8969

dimensional finite element (FE) field analysis and the closed-form eddy loss f

Antimony trioxide, lead chromate, and copper antimonite are suitable oxidants for silicon metal 0010-

in time-delay compositions ignitable by shock tubing. Measured burn rates for these systems 2202

vary from 6 to 30 mm/s. Lead chromate mixtures burned fastest under

Five ultra fine bituminous coals from the Witbank coalfield were studied. Selected chemical 0378-

and physical properties, coal petrographic characteristics and mineralogical compositions of 3820

the coals were measured. The coals were compacted, using a briquetting



Wood-inhabiting Basidiomycetes have been screened for various applications in the pulp and 0960-

paper industry and it is evident that different fungi need to be used to suit the specific 8524

requirements of each application. This study assessed the suitability of

The presence of SiC and SNO particles in as-grown polycrystalline silicon has been 0927-

investigated using infrared (IR) microscopy. These foreign particles were also characterized 0248

using electron beam induced current measurements, and scanning electron microsc



Artificial neural networks can be used as a fault diagnostic tool in chemical process industries. 0255-

Connection strengths representing correlation between inputs (sensor measurements) and 2701

outputs (faults) are made to learn by the network using the back propa



Calculating greenhouse gas emissions reductions from climate change mitigation projects 0301-

requires construction of a baseline that sets emissions levels that would have occurred without 4215

the project. This paper describes a standardized multiproject methodolo

There have been two distinct chapters in the history of converting cellulosic biomass to fuels 0038-

and commodity chemicals in South Africa. The first chapter, from the late 1970s to the early 2353

1990s, involved some of the most active research and development ef

Material and energy balances were prepared for two coal conversion options for the co- 0016-

production of liquid hydrocarbon products and electricity. The results are compared to the 2361

alternative approach of producing liquid hydrocarbons from natural gas. It is

Most of the sanitary hot water used in South African buildings is heated by means of direct 0196-

electrical resistance heaters. This is one of the major contributors to the undesirably high 8904

morning and afternoon peaks imposed on the national electricity supply

0030-

1388

A typical layout of a solar chimney power plant has a single axial turbine with radial inflow 0038-

through inlet guide vanes at the base of the chimney. Turbine efficiency depends on the 092X

turbine blade row and turbine diffuser loss coefficients. The paper prese

A method has been developed, by which the tar producing propensity of coal (Fischer assay) 0016-

can be assessed from a single trace of a thermogravimetric simulation of the proximate 2361

analysis of coal. It was found that, for a suite of 22 South African coal typ

The imperative for conserving energy highlights the need for considering the more widespread 1359-

implementation of higher efficiency electric machines such as the axial flux permanent magnet 4311

(AFPM) machine. Because of their compact geometry and high power den



The primary purposes of this numerical investigation is to determine to what extent the 1359-

performance characteristics of a particular axial flow fan affects the plenum chamber 4311

aerodynamic behaviour of a forced draught air-cooled heat exchanger. An axial flo



Parasitic resistances are detrimental to solar cell performance because they reduce the device 0960-

power output. In this paper the effects that series- and shunt resistance have on photovoltaic 1481

module performance parameters are discussed. Techniques used to m

Sasol Technology and Linde AG have developed an innovative azeotropic distillation process. 0255-

A light-boiling binary entrainer (ethanol and water) is used to recover hydrocarbons from a 2701

process stream that also contains oxygenated species. Conventional dist







1479-

8344

Separation efficiency tests are expensive, cumbersome to conduct, and the results of the tests 0734-

are only known days or even weeks after the test has been conducted. This reduces the value 9343

of the tests. Density tracers have been used in the past to obtain a

A Galerkin finite element numerical model was established to analyse the cooling process for 1359-

spin casting mould and cast parts, to predict the solidification time for functional parts with 4311

different shapes and mould temperature distribution at different m

The paper addresses the problems of cleaner energy generation in industrial applications. Its 0959-

aims further flue gas energy recovery accompanied with additional environmental impact. It 6526

shows how the widely accepted flue gas temperature of industrial coal



0145-

7632

Heat transfer augmentation in heat exchangers has received much attention in recent years, 0145-

mainly due to energy efficiency and environmental considerations. Many active and passive 7632

techniques are currently being employed in heat exchangers, with twisted t

Loss coefficient correlations given in the literature for wet-cooling tower fills are relatively 1359-

simple and generally do not represent the pressure drop accurately over a wide range of 4311

operational conditions. A new form of empirical equation is proposed t

Wet screening is one of the methods used to remove fine material from the coal feed to 0016-

gasification. Sasol Synfuels in South Africa undertook an investigation to quantify fine coal 2361

generation in the coal supply to gasification. Coal samples were wet scree

This paper investigates the direct integration of a gas turbine power cycle with an ammonia 0360-

synthesis loop. Such a loop represents a typical reactor-separator system with a recycle 5442

stream and cold separation of the product from the recycle loop. The hot r



The weak turbulence regime associated with porous media non-steady and non-periodic 0363-

convection, in models allowing temporal irregular (i.e. chaotic) solutions is reviewed, and the 907X

conditions for its validity are specified. The rich dynamics linked to the

This paper studies the chemical composition and pyrolysis behaviour of a medium 0378-

temperature pitch produced in the SASOL-Lurgi coal gasification process. The results are 3820

compared to a commercial petroleum pitch and a commercial binder coal-tar pitch. The S



The effects of changing the dipping and curing times of tubular positive electrodes on the 0378-

discharge capacity were investigated. The comparative study showed that longer dipping and 7753

curing times do not necessarily result in electrodes with better first ca



This paper presents a study for the utilization of wind energy at the South African research 0960-

station, SANAE IV, in Antarctica (71degrees40' S 2degrees 50' W). A procedure to evaluate 1481

the feasibility of utilising wind power for Antarctic stations is given.

0030-

1388

Methane concentration in the explosive range is of particular concern in the confined space of 0016-

underground mining environments, where the hazards of accidental ignition of methane may 2361

be further compounded by coal dust explosions. The aim of this study wa

A large number of diesel engine failures have been reported in the immediate past. The large 0036-

proportion of these engines that were investigated, were recently overhauled engines that 8792

failed soon after the overhaul process. In some cases, these engines fai

dThe paper investigates flow through a representative tall solar chimney with internal bracing 0199-

wheels. It presents experimental data measured in a 0.63-m-dia model chimney with and 6231

without seven bracing wheels. The bracing wheels each had a rim protruding



Environmental issues such as the depletion of nonrenewable energy resources and pollution 1566-

are very topical and would need more scientific attention in order to be addressed in a way 2543

beneficial to life. The extent of solid waste production is a global conc



The design of a physical model of the power conversion cycle of the pebble bed modular 0029-

reactor (PBMR) with the aid of the code Flownet is discussed in this paper. The purpose of the 5493

physical model is to demonstrate the control strategies and operating pro

One important question that is almost always asked when any demand-side management 0360-

activity is implemented is: "How much is it saving?" That is an easy question to ask and it can 5442

almost always be expected. However, it is not necessarily easy to answer. On



0030-

1388

With increasing restrictions on tailpipe emissions from vehicles powered by internal 0144-

combustion engines and growing concern over the use of liquid hydrocarbon fuels, alternative 2600

fuels have gained popularity. Natural gas (NG) is a promising alternative fue

This study reviews the economics. logistics, and technology underlying the South African 0301-

experiment of prepaid electricity. Although this experiment has resulted into benefiting large 4215

masses of small and dispersed consumers, it has also generated a set of



As the electricity supply sector in developing countries undergoes increasingly rapid 0301-

restructuring, and technology and fuel choices widen, understanding the environmental 4215

implications of investment choices becomes ever more important. The objective of th

This paper characterizes and compares the degradation observed in thin-film module 0960-

performance. Three commercially available thin-film modules comprising a-Si:H, a- 1481

Si:H/aSiGe:H/a-SiGe:H and CuInSe2 technologies were used in this study. After an initial in



The paper details the theoretical and experimental investigation into the axial force produced 0885-

by broken rotor bars on copper cage rotors. It introduces interbar current theory and the overall 8969

fault progression of broken rotor bars. The paper also present

Sasol in South Africa gasifies approximately 30 million tons of bituminous coal per year to 0378-

synthesis gas, which is converted to fuels and chemicals via the Fischer-Tropsch process. 3820

Three years ago, Sasol embarked upon A unique project to optimise the gas

An experimental investigation of the performance of a solar chimney turbine is presented. The 0199-

design features a single rotor and uses the chimney supports as inlet guide vanes (IGVs) to 6231

introduce pre-whirl. This reduces the turbine exit kinetic energy at



This technical brief develops calculation methods for the pressure drop in very tall chimneys, 0199-

as in solar chimney power plants. The methods allow for density and flow area change with 6231

height, for wall friction and internal bracing drag. It presents equat



This paper examines the proper application of induction machines when supplied by 0885-

unbalanced voltages in the presence of over- and undervoltages. Differences in the definition 8969

of voltage unbalance are also examined. The approach adopted is to use NEMA der



Spin casting is being used widely in the prototyping industry as a secondary process to convert 1359-

a master model into a functional metal or plastic part. The main problem of the spin-casting 4311

process is the poor thermal conductivity of silicone rubber as mou

dSouth Africa's Reconstruction and. Development Programme set ambitious goals for 0360-

providing basic services to all, including housing and electrification. More efficient use of 5442

energy has the potential to socially and politically support these goals, parti

Environmental issues such as the depletion of non-renewable energy resources and pollution 0960-

are topical. The extent of solid waste production is of global concern and development of its 8524

bioenergy potential can combine issues such as pollution control and b



The chemical conversion in a methanol reactor is restricted by equilibrium, therefore the 1359-

synthesis loop is operated at high pressure and unconverted gas is recycled. Such a synthesis 4311

loop consumes large amounts of compression work. In this paper a new fl

Renewable energy would become more topical as natural energy resources are depleted. Also 0887-

a major global issue is the extent of solid waste generation of which biowaste is the main 0624

component and development of its bio-energy potential can address issues s



In large-scale applications such as arrays of axial fans in air-cooled heat exchanger systems, 1359-

edge-proximity and wind-induced cross-flow may decrease the flow through some fans by 4311

causing the flow to enter them at off-axis angles. In this study, such off

There are about 130,000 hectares of land in South Africa that have been under black wattle 0960-

plantation for a long time and whose soils have become more acidic than those from 8524

contiguous land without the tree. This incubation study investigated the effectiv



0018-

8190









The study was undertaken to assess the availability to maize of nutrients from earthworm 0960-

casts (wormcasts) collected from a grazing paddock in the Eastern Cape province of South 8524

Africa. Maize (cv PAN 473) was grown in pots filled with ground wormcasts, no



0018-

8190



The dependence of the maximum power output P-M and short-circuit current J(SC) on the 0927-

form (relative variation with position) of the optical generation rate profile in an a-Si:H p-i-n 0248

solar cell has been investigated computationally. It was found that the

Computational investigations of an a-Si:H solar cell have indicated that interface states at the 0927-

SnO2/p-a-Si:H interface enhance device performance by about 5%. A detailed analysis has 0248

revealed that the interface states enhance the drift field by capturin

The effects of the diesel pilot injection parameters on combustion of natural gas (NG) under 0144-

diesel engine conditions were studied numerically using a three-dimensional (3-D) model and 2600

experimentally in a constant-volume combustion bomb (CVCB). The 3-D mo

Experiments and numerical simulations have been carried out in order to understand the 1290-

combustion of natural gas (NG) under diesel cycle conditions. The study used a natural gas/air 0729

mixture with a pilot diesel fuel spray for ignition in a constant volume

Citrus waste supplemented with calcium hydroxide and with a CIN ratio of 24:1, pH of 6.3 and 0960-

moisture content of 60% was composted by piling under shelter. With regular turning over of 8524

the pile and replenishment of moisture, the thermic phase lasted for 6

For photovoltaic (PV) devices to operate successfully over an expected lifespan of 30 years, 0960-

much research is needed in all aspects of these devices. This study is concerned with the 1481

monitoring of the performance and degradation of PV devices over extende

The spectral response of a typical thin-film a-Si:H p-i-n solar cell has been investigated using 0927-

the simulation RAUPV2. The peak in the external quantum efficiency has been observed to 0248

shift towards the violet part of the spectrum on decreasing the cell t

Some applications of thermal analysis (TA) and temperature profile analysis (TPA) to the study 1418-

of a variety of binary pyrotechnic systems are described. Factors that effect the combustion of 2874

such fuel/oxidant mixtures are discussed. Trends in burning beha

Good heating, ventilating and air conditioning (HVAC) control ensures comfort. It is usually 0378-

also the most cost-effective way to improve energy efficiency of air-conditioned buildings. In 7788

this article, the comfort enhancement and energy saving potential w

The World Commission on Dams was initiated as a new form of global policy making to find a 1531-

way beyond the intensifying conflicts over dam projects. It was established by diverse groups 0353

to conduct an independent global review of the performance and impacts

In this study, the performance of a reversible ground-source heat pump coupled to a 0363-

municipality water reticulation system, is compared experimentally and with simulations to a 907X

conventional air-source heat pump for space cooling and heating. A typical mun

This study involves the mathematical modelling and experimental verification of a heat 0363-

exchanger accumulator. The study was initiated with a literature survey which, according to the 907X

authors, revealed that there was no published material that described ho

The increasing complexity of the modern power grid highlights the need for advanced 0885-

modeling and control techniques for effective control of turbogenerators. This paper presents 8969

the design of a Continually Online Trained (COT) Artificial Neural Network (A

0018-

8190

The limiting carrier effect in a-Si:W p-i-n and n-i-p solar cells has been investigated 0927-

computationally, by adjusting the values of the carrier band mobilities. Using a realistic optical 0248

generation rate profile, it was found that the effect is significant

Two different procedures are explored in the present work to estimate the zenith luminance at 0960-

the International Daylight Measurement Program station in Madrid, when all the data available 1481

are used independently of the sky type. On the basis of the results

Although the three processing steps that constitute the Fischer-Tropsch based Gas-to-Liquids 0378-

(GTL) technology, namely syngas generation, syngas conversion and hydroprocessing, are all 3820

commercially proven and individually optimized, their combined use is n



There is widespread concern that increasing concentrations of carbon dioxide and other 0167-

greenhouse gases in the earth's atmosphere will ultimately lead to climate changes. 7799

Recognizing the important role that fossil fuels have in the economies and lifestyle

0018-

8190

Yields of coal pyrolysis products obtained by four different techniques of pyrolysis were 0016-

modelled using neural network analysis. Coals from five different sources were considered in 2361

this study. The modelling focused on effects as diverse as holding time

The largest percentage of the sanitary hot water used in South African buildings is heated by 0363-

means of direct electrical resistance heaters. This is one of the major contributing factors of 907X

the undesirable high morning and afternoon peaks imposed on the n



The primary purpose of this experimental investigation is to determine the influence that 1359-

differences in air-cooled heat exchanger geometry have on heat exchanger inlet air flow 4311

losses. Heat exchanger geometry would not only include details pertaining to

An ideal air standard cycle analysis of the solar chimney power plant gives the limiting 0199-

performance, ideal efficiencies and relationships between main variables. The present paper 6231

includes chimney friction, system, turbine and exit kinetic energy losses



Chimneys as tall as 1500 m may be important components of proposed solar chimney power 0199-

plants. The exit air density will then be appreciably lower than the inlet density. the paper 6231

presents a one-dimensional compressible flow approach for the calculation



0018-

8190

Mining at Middelburg Colliery in the Witbank Coalfield commenced at the turn of the last 0166-

century. Initially, there was little environmental degradation associated with mining activities; 5162

however, in the late 1930s, a pillar-robbing programme commenced. Th

The zenith luminance has been measured at Madrid for skies with a cloud cover of 7-8 oktas 0960-

and experimental mean 15-min values of L-z have been obtained. Among the most accurate 1481

fits to the data, a 2nd degree polynomial for L-z against tan(alpha) is the m

Lump coal may undergo fragmentation when exposed to high temperatures thus changing the 0016-

particle size distribution of the coal [1]. Primary fragmentation occurs during devolatilization. In 2361

fixed-bed gasification, fragmentation may lead to a change in perm



0018-

8190

0018-

8190

0018-

8190

The J-V curve asymmetry of an a-Si:H solar cell, that is exhibited under carrier mobility 0927-

interchange, has been investigated computationally. The electron- and hole mobilities (mu(n) 0248

and mu(p)) considered here are 13.2 and 2.2 cm(2)V(-1) s(-1). We use the

The efficiencies of Cu(In,Ga)Se-2/CdS/ZnO solar cell devices in which the absorbers are 0927-

produced by classical two-step processes are significantly lower that those in which 0248

coevaporated absorbers are used. A significant problem related to two-step growth

The major oxide and trace element compositions of seven sedimentary rock reference 0208-

samples (claystone, organic-rich argillite, two limestones, dolostone, sandstone and 189X

feldspathized volcanic ash) are presented. Among studied samples the organic-rich argil





0030-

1388

The performance analysis of a shaded-pole linear induction motor using symmetrical 0885-

components, field analysis and finite element methods is presented. Calculated results and 8969

measurements are compared and discussed.

To predict the energy produced by photovoltaic modules under certain meteorological 0960-

conditions, an energy model can be used. Existing energy models need parameters that are 1481

not always available. In this study, an energy model based on regression analysis

A temperature-controlled hot water heat pump was simulated using heating in a vertical, 0145-

domestic hot water storage tank. The influence of the return loop flow rate on stratification was 7632

investigated experimentally. The return loop is the water line that s

Good HVAC control is often the most cost-effective option to improve the energy efficiency of 0306-

a building. However the effect of changing the control strategy (i.e. effect on indoor comfort 2619

and energy consumption) is usually the most difficult to predict.

The simulation RAUPV2 has been used to model a thin-film a-Si:H p-i-n solar cell, fabricated 0927-

at the Rand Afrikaans University. For a physically acceptable set of input parameters, the 0248

simulated J-V curve agrees very well with the empirical J-V curve, unde

By far the largest application of heat pumps in the South African commercial sector is in the 0360-

heating of sanitary hot water in buildings like hotels, hospitals, prisons and residences at 5442

universities, technikons and schools. In most of these cases, heat p

This paper presents the analysis, design and performance of an axial flux permanent magnet 0885-

(AFPM) machine with an ironless stator. The topology has a large airgap length and zero core 8969

losses. A machine model that uses both lumped magnetic circuit and fini

In this paper a variable volume water heater and a load impact model is presented. The 0885-

variable volume water heater is a unique system that can be implemented as a residential 8969

demand-side management tool. The variable volume water heater can shift the ele

Initially conceived of within the broader context of power sector reform in the late 1980s and

early 1990s, Independent Power Projects (IPPs) were intended to relieve state utilities of the

burden of financing new plants, bring quick, quality power and re



This study analyses empirical qualitative data collected from key stakeholders in the renewable

energy industry in South Africa. As a step on the path towards developing better success in

financing for renewable energy entrepreneurs, a financing framework







Energy management and the application of energy consumption reduction methods is high on

the priority list of South Africa's electrical supply utility, Eskom. One of Eskom's Demand Side

Management (DSM) recovery plan steps was the establishment of a subsi

This work is the analysis of the energy generation of a 2 MW wind power project installed at

Motha, District Amaravati, in the state of Maharashtra. The various availabilities of the wind

power project were studied for the efficient energy production of t

Just as with other Southern African Development Community (SADC) countries, Mozambique

faces severe, interrelated problems of energy and environment linked, with massive

consumption of fuel wood biomass. The conventional power grid provides less than 7% o





The current trend associated with high energy demand, depletion of energy reserves and low

potential of renewable energy sources linked with strong industrial growth, is increasingly

becoming unsustainable. As a result, production costs have increased con

The purpose of this paper is to examine crude oil price movements and their impact on South

Africa. A useful starting point is understanding the factors that have played a prominent role in

influencing oil pricing. For this reason, I begin by focusing on

The World Summit on Sustainable Development (WSSD) was attended by approximately 21

000 international delegates in Johannesburg, South Africa in 2002. The aim was to institute

ecologically sound environmental management. Research has shown that fossil fue



The electricity supply industry of the Democratic Republic of Congo is reviewed, from the

formation of the Societe´ National d'Electricite´ (SNEL) in 1970 until today. The DRC

government established a national utility, because electricity is a key element

The performance of a South African parabolic trough solar collector (PTSC) module has been

characterised using the ASHRAE 93-1986 standard. The collector is designed for component

testing and development in a solar energy research programme. Low-temperatu



The Training of Trainers Workshop, a training manual on climate change mitigation developed

by Energy Research Center (ERC) 2006 was held in Pretoria. The focus of the workshop was

to impart skills development in the mitigation courses developed at ERC. T



Since the 1960's several unsuccessful attempts were made to reduce air pollution in South

African townships. These efforts targeted coal fires and included devolatalised coal, low-

smoke stoves and electrification. All these efforts were more or less presc

This study describes results of a household survey conducted in Eshane in the rural Kwazulu-

Natal Midlands in April 2002, including baseline socio demographic, energy usage, paraffin-

related injury and safety knowledge information. A total of 404 intervie



This paper examines market signals that enhance efficiency in energy use and the allocation

of energy resources, focusing on Zimbabwean manufacturing and mining. We estimate own-

and cross -price elasticities of demand to determine how far industrial ener

Price regulation occurs quite commonly amongst natural monopolies which frequently include

public utilities. In South Africa and in certain countries in Africa, there has recently been a

revival of price regulation in certain industries and enterprises, w

This paper describes interfuel substitution for liquid fuel, coal and electricity in Zimbabwe

manufacturing and mining using a translog cost function. Our data series spans over a 24 year

period. To mitigate the short time span of this time series data, w

This paper presents modelling and simulation of a solar absorption cooling system. In this

paper, the modelling of a solar-powered, single stage, absorption cooling system, using a flat

plate collector and water-lithium bromide solution, is done. A comput



In this paper, an approach for the estimation of insolation available to a solar energy collector

that may be shaded temporally by external horizon obstructions is described. This approach

uses, in place of complicated mathematical expressions or sophisti



Because of rich solar and oil reserves in the Absheron Peninsula (latitude 40° 26' N and

longitude 49° 46' E) of Azerbaijan, application of solar energy in the oil treatment process in

the oil fields was considered. An experimental plant with double modul

Energy efficient building design aims to use passive design principles such as orientation,

insulation, materials and surrounding area layout to minimise the need for active space heating

or cooling. Implementation of the principles of energy efficient de

The perception still exists amongst decision makers that paraffin consumption will decrease

with increased rates of electrification. Electricity is only added to the fuel mix used by

households. Although paraffin is often perceived to be a more affordable



High levels of air pollution caused by domestic coal burning create human health problems

and unwarranted economic loss. The associated health cost is estimated at R1.2 billion per

annum. The Basa Njengo Magogo (BNM) alternative fire lighting method repre



Around the world the implementation of heat recovery systems play an increasingly important

role in the engineering industry. Recovered energy is utilised in production plants (especially in

the food industry) and saves companies millions in expenses per

The Maphephetheni area is a unique area. First of all, it was the first rural area with

Photovoltaic (PV) experience in KwaZulu-Natal. In 1996 a project was started by Solar

Engineering Services to install Solar Home Systems (SHSs) in 50 households in thi

Electric hot water heater blankets are being used as a demand-side management (DSM)

measure to save electricity consumption in residential areas. The purpose of this study was to

determine the impact of installing blankets to hot water heaters. A resident

The processes that were followed to develop the baseline to Measure and Verify (M&V) a

Municipal Demand Side Management (DSM) water pumping project that is being implemented

is described in this paper. This paper is a follow-up on a previous paper present



The African Recovery Journal once referred to it as, 'an opportunity for African countries to

attract new financing for their own sustainable development'. It was indeed waited for with

much anticipation. In fact, today, it is readily observable that the

This paper considers the thermal design and the experimental testing of a heat pipe

(thermosyphon) heat exchanger for a relatively small commercially available mini-drier. The

purpose of the heat exchanger is to recover heat from the moist waste air strea

In determining the magnitude of oil shocks to the economies of Southern Africa, it is essential

that we examine the various components of vulnerability, as well as the crude oil price

movements and the relationship between energy and development. Because

Data recorded in the recently established European Pollutant Emission Register (EPER) is

potentially useful for benchmarking of the environmental performance of industrial activity

against European practice. Entries in the category of large power plants i

Existing formal low-cost houses in South Africa have been shown to be very thermally and

energy inefficient. This could be problematic for the country since the government has

promised to build roughly 3 million more of these houses in the near future. In

The scope of this section of the study is to establish which industries to target for energy audits

and demand side management (DSM) projects. As only a limited number of audits will be

conducted, it is important to establish how to maximise the return on



This study examines a set of energy policy interventions, which can make a major contribution

to sustainable development for the City of Cape Town -economically, environmentally and

socially. Major energy savings can be made from modal shifts in the trans



This paper discusses the procedures and results of constructing a greenhouse gas (GHG)

emissions inventory for South Africa, using the official national energy balance for 1998. In

doing so, the paper offers a snapshot of the South African energy supply a



A study was conducted in the rural communities of the Giyani district in Limpopo Province, with

the aim of identifying types of energy resources used and the patterns of utilization of such

energy sources. Surveys were conducted in three villages and semi

Energy provision is crucial to overall development. The South African economy uses a large

amount of energy, is highly energy-intensive, and heavily dominated by the extraction of raw

materials and primary processing. As the demand for energy grows, the e



The Thermal Insulation Association of South Africa (TIASA) is supporting government

measures to promote energy efficiency in South African buildings. The research document

titled: 'New standards of thermal design to provide comfort and energy efficiency i



The purpose of this study was to investigate whether biogas technology could provide a school

with an acceptable, affordable, efficient and sustainable alternative energy resource, thereby

providing opportunities for cost savings, income generation and gr

The growing interest in the possible use of ethanol from natural sources to blend with petrol

(gasoline) derived from crude oil (or synthesis from other fossil fuels) should be supported by

knowledge of the likely effect on greenhouse gas emissions. This

A very significant proportion of Matatiela households still rely on environmentally polluting fuels

(i.e. woodfuel, candles, and paraffin) for reasons that they are easily accessible and

affordable, and as a legacy of the inequalities of the past social a

A training manual on climate change mitigation courses with the overall objective of meeting

the challenges of climate change in the future and providing a support and skills is developed

by the Energy Research Center (ERC).The objectives of the training

The South African downstream petroleum industry was in the hands of Whites and

Multinational Oil Companies during the apartheid era. Many Historically Disadvantaged South

Africans (HDSA's) were excluded from the mainstream industry through, among other in



This paper describes the implementation of Demand Side Management (DSM) strategies at

AngloGold's Kopanang Mine, for a period of three months during 2001. Since the unit price of

electricity was very high during certain hours of the day, it was endeavoure



The Energy Research center (ERC) has developed training modules on climate change

mitigation and its test on the trainers was investigated. The main objective of the mitigation

manual was to impart skills development in the field of training, repeating an

The thermal modelling of a night sky radiation cooling system suitable for a room situated in

the Namib Desert at Gobabeb, Namibia, is considered in this paper. The system consists of

the following components: radiator panels, a single water storage tank,



Wide use of compact fluorescent lamps (CFLs) offers opportunity for residential savings with

favourable environmental benefits. The size of the South African residential market shows that

there are strong opportunities to be optimised. To exploit such opp

An energy audit at the Tlokweng College of Education in Gaborone, revealed that a reduction

of more than 60% in the annual electricity account could be achieved. Various financially viable

opportunities have been identified. These include new lights in th

Liberating energy-deprived communities by means of electrical reticulation (electrification) is

the conventional paradigm. South Africa has followed this route by connecting an estimated

4.5 million homes during the past decade. To provide a similar servi



Residential lighting is a key component of peak electricity and has vast potential of contributing

to a reduction in load demand relatively quickly and cheaply, given the nature of its electricity

consumption. For this to happen, we need to understand how

An energy audit at the Tlokweng College of Education in Gaborone, revealed that a reduction

of more than 60% in the annual electricity account could be achieved. Various financially viable

opportunities have been identified. These include new lights in th

The South African Energy and Demand Efficiency Standard (SAEDES) is an energy-efficiency

guideline initiated by the Department of Minerals and Energy (DME) and the Council for

Scientific and Industrial Research (CSIR). The DME sponsored a pilot study to t



The CDM is a project-based mechanism to promote flexibility in mitigation climate change, by

promoting investment in mitigation projects in developing countries. There has been concern

about potential perverse incentives for developing countries like Sout

In an energy intensive plant, large induction motors are usually utilized as drivers for non-linear

loads such as compressors, fans, pumps or blowers. These motors are usually required to

operate on a continuous basis meaning that, over time, even a relat

A report of domestic energy use in the community of Nkweletshini in south western Kwa-Zulu

Natal in 2002, is discussed. The community has a low housing density, below the 50

households per km2 measure used by Eskom as the limit for future electrification.

An electricity basic services support tariff is being introduced in South Africa to alleviate the

worst impacts of poverty by providing a free portion of electricity to customers. Linked to this

are obvious social and economic benefits and impacts, but al

Energy Management is an increasingly important issue for all tertiary institutions in South

Africa because of budget cuts and increased financial strain. This paper describes the history

and initiatives taken at the Potchefstroom University for Christian





The Integrated National Electrification Programme plays an important role in the socio-

economic development of South African society by providing modern energy. In this socio-

economic development project, government has put in place issues of Black Econom



Steel, petrochemicals, metallurgy, explosives, food and many other industries require large

amounts of air products such as oxygen and nitrogen. Cryogenic air separation technology is,

unlike other air separation technologies, in a mature stage of its lif



South Africa's first microsatellite SUNSAT was launched in February 1999. It was subjected to

an orbital drift that altered its polar orbit with an eclipse period of 36 minutes in July 1999, to

one of an eclipse period equal to zero minutes in June 2000.

Steel, petrochemicals, metallurgy, explosives, food and many other industries require large

amounts of air products such as oxygen and nitrogen. Cryogenic air separation technology,

unlike other air separation technologies, is in a mature stage of its lif

The impact of implementation of electricity basic services tariff to non-grid electricity

customers was studied. It was recommended that the local government equitable share

formulae should be reviewed and the national government should produce guidelines

Despite a growing understanding of the economic, health and environmental benefits of more

energy efficient and environmentally sound low-cost housing, progress has been very slow in

South Africa. This paper examines how carbon finance, through the Clean

In order to achieve a carbon neutral WSSD, the Johannesburg Climate Legacy had to develop

scenarios of projects on the basis of a range of criteria and restrictions. A system had to be

developed that could be used to "filter" out all the relevant data and

The Multi-Point Plan (MPP) for phasing out dirty fuels in South Africa represents a new

approach to air quality management and it is anticipated that the plan will contribute to the

development of a National Air Quality Management Programme. In the contex



Due to government's policy requiring cost-reflective tariffs, the electricity market in South Africa

is changing. These changes offer innovative business opportunities that have to be

investigated and developed. One such opportunity is through saving mone





The bulk of rural populations in sub-Saharan Africa have no access to electricity and are under-

served by any other form of modern infrastructure. The cost of infrastructure to mainly

scattered communities has been perennially cited by engineers as largel

The use of renewable energy has been promoted all over the world because it is considered

as a clean source of energy and environmentally friendly as compared to fossil fuels. The

objective of this paper is to search for policy and measures for the dissem



Prevention of fatalities and/or injury during electrical contact incidents is a moral obligation of

any supply authority. It has been the topic of discussion in many engineering forums over the

years and still there is no conclusion as to where the obliga

Technological innovation is one of the primary drivers in business strategy to achieve growth,

competive edge, and increase shareholder value. Complimentary to the technological

innovative aspects, should be a well evolved customer focus, as well as a foc



Eskom launched its first wind farm on the 21 February 2003 just North of Cape Town at

Klipheuwel, in fact tne first wind farm in Southern Africa. The wind farm consists of 3 wind

turbines, with a combined rating of 3.16MW. Different horizontal type turbin

A research on atmospheric aerosols, important in understanding global atmospheric changes,

is presented. The research ascertains current variations in atmospheric aerosols burden over

the South African Highveld and determines how this varies seasonally an



According to 2001 figures, of the 10770975 households in South Africa, 3 652 560 or 33.9%

are not electrified. Most of these households are located in rural areas, far removed from the

electrical grid. As such it is anticipated that a large percentage of

Significant commercial advances of direct methanol fuel cells (DMFC) continue to be

hampered by several issues involving the use of proton exchange membranes (PEM).

Reduced methanol efficiencies and catalyst poisoning occur as a result of the high methano



A research program has been carried out into the use of Electromagnetic Interference (EMI)

testing for fault diagnoses. As part of this program a novel piece of software has been

developed that uses pattern recognition techniques to interpret the EMI sign

Within the electricity and telecommunication businesses of Eskom, research examined the

latest developments associated with Power Line Communication (PLC) technology. PLC is the

first technology that couples electricity with communication services. Commun



A research project on mill maintenance enhancement through rotating throat installations was

discussed. The aim of the project was to quantify the benefits of rotating throats on vertical

spindle mills in terms of some criteria including maximum mill thro



A study was conducted on increasing the network capacity by optimizing voltage regulation on

medium and low voltage feeders. An approach, based on Network Classes and transformer

Tap Zones, was used to optimize the feeder. It was found that the measured v



Overhead powerlines have been identified as a significant unnatural form of mortality for all

large terrestrial bird species, particularly due to their low population numbers and high

vulnerability (fight characteristics) to powerline collisions. In almos

The development of 400Kv Guyed strain structures was discussed. Excel based software was

developed to a) automate the foundation design process and b) optimize the geometry of

footing. The new structures represented a saving between 46% - 25% on conventio



The effect of a set of energy efficiency measures on an economy was explored. Specifically, to

provide incentives for a planned energy efficiency implementation program. As such, the

energy efficiency measures may be applied in any sequence. For each poss



This paper discusses how the Commercial Benchmarking Database can reduce the amount of

time and effort spent, when performing an energy-efficiency audit on a commercial building or

facility. Firstly, the Benchmarking Database itself is discussed, then how



The late 1990's had been showing a move towards the restructuring of the electricity sector,

from a traditional state-owned vertical integrated electricity utility to a modern market-

orientated electricity supply industry. Stakeholders across the spectrum

This paper discusses some of the issues of privatising and liberalising the South African

electricity industry. The government's stance on the privatisation and liberalisation of the

industry is to attract foreign investment and provide its citizens the o

An energy baseline study was conducted in two rural areas in the Limpopo Province of South

Africa, to provide energy specific household data to assist in the planning and design of further

actions on the dissemination of improved stoves. When the data was

The reasons for low performance of a domestic-size three-fluid absorption refrigeration system

were studied. To improve the performance, the boiler, lift tube, vapor-liquid separator and the

heat exchanger were modified, while maintaining the same princip

A heat pipe or two-phase closed thermosyphon heat recovery heat exchanger may be used to

reduce the overall operating energy requirement of a drier. The mathematical modelling of the

process whereby heat is recovered from the hot exhaust stream and used t



Following a description of the South African energy system, this paper discusses the results of

the national Integrated Energy Planning (IEP) model and discusses why better management of

existing energy resources provides and economic option for the count







Artificial intelligence was used to predict hourly temperature profiles. The artificial intelligence

models were trained using a dataset consisting of CSIR-data. The models were then verified

by using actual measured data of 2000 obtained for the SAWB. Mo

This paper presents a financial analysis of using solar home systems as a Clean Development

Mechanism (CDM) project under the Kyoto Protocol to the climate change convention. The

main conclusion is that, while the carbon revenue can improve the internal r



This paper gives a brief overview of the coming World Summit on Sustainable Development

(WSSD) with specific reference to energy as a key component in the sustainable development

discourse. Broadly, it examines the international approach to sustainable de



The South African electricity industry is on the brink of considerable restructuring. The future of

social and environmental public benefits provided in this context is uncertain. This paper

focuses on environmental public benefits, such as renewable ener



The process of policy-making in the South African energy sector was discussed. As such, four

dimensions to the process were observed which provides a framework to understand the

unfolding of the policy process around electric supply industry (ESI) restruc



A low temperature difference, back-to-back gamma type Stirling engine is presented with the

emphasis on rural water pumping. A prototype engine was constructed and performance in

terms of the characteristic pump curves measured. Two representative graphs



Households have an absolute need for thermal energy, particularly for cooking. Poorer

households use coal, dung, fuelwood, LPG and paraffin. Unpressurised paraffin appliances

are far from safe. The temperature in the fuel tank can easily exceed the flashp



This paper investigates the technique of modelling a baseline with the aid of Neural Networks

(NN) for the tracking and evaluation of Demand Side Management (DSM), NN was used to

develop the baseline purposes. The study was conducted at the main campus of

Field25 PY VOL PART P1 P2

PD 2006 17 4 65 69









JAN 2007 35 1 15 28









JAN 2007 35 1 548 552







JAN 2007 35 1 692 703









DEC 2006 21 4 813 822









JAN 2007 86 73 80









DEC 2006 34 18 4081 4092









NOV 15 2006 20 6 2330 2336









NOV 2006 34 17 2654 2661

NOV 2006 34 17 3351 3358









FEB 2007 98 3 579 587









FEB 2007 27 599 603









DEC 2006 38 12 1395 1399









SEP 29 2006 160 1 326 333









AUG 15 2006 294 1 118 129









SEP 20 2006 20 5 1761 1766









SEP 20 2006 20 5 1771 1776

SEP 20 2006 20 5 1799 1805









SEP 2006 61 18 5969 5980









SEP 2006 79 3 158 165





AUG 2006 31 10 1561 1571





AUG 2006 128 3 302 311







AUG 2006 128 3 312 317







JUL-AUG 2006 42 4 372 383





OCT 2006 27 8 1 1



DEC 2006 10 6 603 612





OCT 2006 97 15 1942 1950







JUL 2006 20 7 1068 1076







SEP 2006 85 1880 1893





SEP 2006 97 13 1484 1489

SEP 2006 26 13 1369 1377





2006 80 5 535 544





JUL-AUG 2006 85 1439 1445





MAY 2006 128 2 279 284







JAN-MAR 2006 26 1 33 54







APR 21 2006 155 2 428 439





JUN 15 2006 90 10 1504 1512





MAR 2006 79 1 26 37









JUN 2006 27 5 68 79





MAY 2006 87 5 437 442





JUN 2006 26 846 852





JUN 2006 47 1101 1112





JUN 2006 47 1113 1123





MAR-APR 2006 20 2 439 445





MAY 2006 85 1067 1075





MAY 2006 85 1076 1082

APR 2006 47 6 687 701







SEP-OCT 2005 23 5 34 0



JAN 17 2006 65 243 253





FEB 2006 85 3 418 422







NOV 2005 32 17 1854 1866





JAN 6 2006 90 1 111 119





SEP-OCT 2003 21 5 50 50



OCT-NOV 2005 30 1393 1397





DEC 2005 84 18 2295 2300





DEC 2005 84 18 2324 2329





FEB 2006 26 200 208





FEB 2006 45 2 90 98





OCT 2005 16 5 577 583





OCT 2005 17 10 2041 2043





NOV 2005 26 9 22 29





DEC 2005 33 18 2337 2349





SEP-OCT 2005 19 5 1795 1803

DEC 2005 25 3129 3137





AUG 19 2005 63 228 246







SEP 2005 20 3 685 692





NOV 2005 33 16 2044 2051





OCT 2005 84 1768 1777





SEP 15 2005 88 4 403 411





SEP 2005 26 7 1 2



SEP 2005 26 7 11 21







JUL-AUG 2005 19 4 1462 1467





JUL-AUG 2005 26 6 16 21





SEP 2005 33 14 1833 1851





AUG 2005 25 1634 1649





MAY 11 2005 44 10 3529 3537





MAY 2005 20 3 566 575





MAY 2005 26 4 35 41





JUN 2005 84 9 1136 1143

JUN 2005 84 9 1151 1160







JUN 2005 84 9 1161 1170





AUG 2005 96 12 1323 1330







JUL 2005 33 10 1309 1317





APR 2005 54 2 795 798









MAR 1 2005 141 2 316 325





JUL 2005 96 11 1264 1275







JUN 2005 25 1183 1194





JUN 2005 25 1325 1336





MAR 2005 20 1 80 87







MAR 2005 26 2 38 44





JAN 2005 13 1 55 66





AUG 22 2004 228 2





AUG 22 2004 228 2





MAR 2005 25 4 603 621

APR 2005 30 4 611 620





MAR 2005 46 4 563 575





JAN 3 2005 103 1 34 39



FEB 2005 96 3 277 285





SEP-OCT 2004 40 5 553 563





MAR 2005 30 3 399 411





OCT-DEC 2004 29 2045 2060





DEC 2004 43 12 1539 1545







JAN 2005 33 2 183 196







SEP 10 2004 136 1 16 23







JAN 2005 33 1 27 38





JAN 2005 33 1 99 112





SEP 2004 19 3 532 538





SEP 2004 176 9 1565 1575





OCT 15 2004 85 15 1647 1662







OCT 2004 95 1 25 30

MAY 30 2004 82 4 577 585







JUL 2004 43 7 841 847







JUL 2004 32 11 1303 1317





NOV-DEC 2003 99 499 507





APR 2004 83 6 765 770





JUN 2004 45 1553 1563





FEB 2 2004 102 5 38 0



2004 76 235 241





MAR 2004 83 533 536





FEB 2004 24 193 207







FEB 2004 24 359 371







MAR 2004 29 3 333 344





MAR 2003 43 3 483 493









OCT-NOV 2003 17 5 18 20



SEP-DEC 2003 23 251 266





JAN 2004 24 1 95 110

2004 12 2 165 170







NOV-DEC 2003 24 6 1 2



NOV-DEC 2003 24 6 29 39





DEC 2003 23 17 2201 2211





DEC 2003 82 18 2231 2237





NOV 2003 28 14 1495 1509







AUG 2003 27 10 941 960





NOV 15 2003 84 63 77







JUL 1 2003 116 211 218







OCT 2003 28 13 2037 2061





JUN 2 2003 101 22 40 44



JUL 2003 82 11 1359 1365





2003 55 65 75





MAY 2003 125 2 165 169







JAN 2003 11 1 23 28







JUN 2003 222 203 213

JUL 2003 28 9 913 927







APR 7 2003 101 14 44 49



MAR 2003 76 506 2 9





JUL 2003 31 9 911 927







JUN 2003 31 8 721 734





JUL 2003 28 9 1455 1469







MAR 2003 18 1 71 79





MAR 15 2003 80 3 263 278





FEB 2003 125 1 101 106







FEB 2003 125 1 127 129







DEC 2002 17 4 485 491







JAN 2003 23 1 17 27





DEC 2002 27 12 1099 1117





JAN 2003 86 1 21 23







OCT 2002 22 14 1549 1558

SEP-OCT 2002 16 5 1277 1279







AUG 2002 22 12 1403 1415





OCT 2002 85 1 9 16







JUN 2002 81 6 53 0









SEP 2002 84 2 197 201







MAY 2002 81 5 49 52





JAN 31 2002 71 1 85 101





JAN 31 2002 71 1 131 140





SEP 2001 74 500 81 90





OCT 2001 40 10 927 936





JAN 2002 81 1 71 76





FEB 2002 25 2 183 197





NOV 2001 69 4 303 314





2001 65 2 323 334





OCT 2001 33 8 853 863

MAR 2001 50 1 53 64





AUG 2001 25 10 899 910





AUG 2001 25 10 911 925





SEP 2001 16 3 261 269





JUN 2001 80 6 43 49



AUG 2001 69 1 9 16





OCT 2001 24 2 185 196





JUN 2001 71 149 155







MAY 2001 19 5 172 177





APR 2001 80 4 91 0



MAY 2001 80 7 1021 1027





MAR 25 2001 25 4 291 317







MAY 2001 21 7 771 786





AUG 2000 122 3 133 137







AUG 2000 122 3 138 145







FEB 2001 80 2 87 89



JAN 2001 45 195 216

MAY 2001 23 1 49 55





JAN 2001 80 2 245 249







NOV 2000 79 11 71 73



SEP 2000 79 9 47 50



SEP 2000 79 9 57 0



OCT 2000 64 3 197 207





NOV 2000 64 4 371 383





2000 17 3 215 223









AUG 28 2000 98 35 44 48



MAR 2000 15 1 24 29





SEP 2000 21 1 37 47





MAR-APR 2000 21 2 67 73





JUN 2000 66 2 135 159





MAR 15 2000 61 3 287 300





JAN 2000 25 1 51 70





DEC 1999 14 4 1051 1056





DEC 1999 14 4 1558 1563

2006 17 4 39 56







2006 17 4 57 64









2006 17 4 33 38





2006 17 4 70 74





2006 17 4 76 85









2006 17 4 4 18





2006 17 4 25 33





2006 17 4 19 24







2006 17 3 21 28





2006 17 3 71 78







2006 17 3 81 88







2006 17 3 58 64





2006 17 3 7 9







2006 17 3 49 57

2006 17 3 10 20





2006 17 3 39 48





2006 17 3 65 70







2006 17 3 29 38







2006 17 2 26 30





2006 17 2 5 9





2006 17 2 23 26







2006 17 2 17 22







2006 17 2 47 56





2006 17 2 10 16





2006 17 2 57 64





2006 17 1 42 49







2006 17 1 5 9





2006 17 1 5 9





2006 17 1 10 17

2006 17 1 72 81





2006 17 1 72 81





2006 17 1 58 65







2006 17 1 28 41







2005 16 3 105 116







2005 16 3 88 93





2005 16 3 94 103







2005 16 3 122 128







2005 16 3 129 136





2005 16 3 137 138





2005 16 3 117 121





2005 16 3 139 142





2005 16 2 40 49







2005 16 2 68 73







2005 16 2 74 79

2005 16 2 56 57







2005 16 2 50 55





2005 16 1 15 15





2005 16 4 4 14







2005 16 4 27 33





2005 16 4 15 20





2004 15 4 130 135







2004 15 4 118 122





2004 15 3 98 102





2004 15 3 80 87





2004 15 3 88 91





2004 15 2 40 49









2004 15 2 58 63







2004 15 2 64 73







2004 15 1 16 25

2004 15 1 26 32





2004 15 1 4 9





2003 14 4 128 133





2003 14 4 135 140





2003 3 94 97







2003 3 88 93









2003 3 82 87





2003 3 99 105







2003 33 39





2003 2 5







2003 19 25





2003 6 9







2003 14 18





2003 47 50







2003 63 68

2003 10 13







2003 51 55







2003 40 46







2003 56 62





2003 26 32







2003 14 2 54 61







2003 14 2 40 45







2003 14 1 14 19





2003 14 1 8 13





2003 14 1 20 26





2002 13 4 110 121





2002 13 4 130 138







2002 13 4 123 129









2002 13 3 72 78

2002 13 3 79 85







2002 13 3 92 94







2002 13 2 43 49







2002 13 2 50 55







2002 13 2 36 42







2002 13 2 56 61







2002 13 1 3 13


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