HQ by xiaopangnv

VIEWS: 1 PAGES: 12

									          Magnetic length                    (m)           0.840
            Aperture                        (mm)            120
          Outer diameter                    (mm)            570
          Shell thickness                   (mm)
                                   Cable
               Material                      (-)           Nb3Sn
                Strand                                OST RRP 108/127*
         Filament diameter                   (mm)             50
           Strand diameter                   (mm)           0.800
              N. strands                       (-)            35
          Bare cable width                   (mm)           15.11
        Bare inner thickness                 (mm)           1.341
        Bare outer thickness                 (mm)           1.539
                 RRR                           (-)           150
         Transposition pitch                 (mm)            102
      Copper/non copper ratio                  (-)           1.17
     Insulation thickness radial             (mm)           0.090
   Insulation thickness azimuthal            (mm)           0.090
      Bare cable cross-section              (mm2)          20.264
    Insulated cable cross-section           (mm2)          24.770
     Void fraction in bare cable              (%)             19
Insulation fraction in insulated cable        (%)             13
             Filling ratio                     (-)          0.324
   Current density at 12 T 1.9 K           (A/mm2)          2900
      Assumed degradation                    (%)              0
                                   Coil
              Blocks                         (-)              4
               Layers                        (-)              2
        Turns per inner layer                (-)             20
        Turns per outer layer                (-)             26
           Turns per coil                    (-)             46
             Coil surface                  (mm2)           9115
        Equivalent coil width               (mm)           29.18
Peak field/(gradient*aperture radius)         (-)          1.160
Low field inductance (no saturation)      (mH/m)            7.71
                              Performance
   Short sample gradient at 4.2 K          (T/m)            195
   Short sample current at 4.2 K             (A)           17300
   Short sample gradient at 1.9 K          (T/m)            214
   Short sample current at 1.9 K             (A)           19000
                           Operational values
               Current                       (A)           15200
  Superconductor current density         (A/mm2)            1894
                                                  2
       Overall current density           (A/mm )            614
              Gradient                     (T/m)            171
             Peak field                      (T)            11.9
            Temperature                      (K)             1.9
          Loadline margin                    (%)        20
       Temperature margin                    (K)        4.4
                                                  3
          Enthalpy margin                (mJ/cm )       9.4
           Stored energy                  (MJ/m)        1.4
      Differential inductance             (mH/m)       7.71
              Forces x                   (MN/m)        3.38
              Forces y                   (MN/m)       -5.03
Fringe field at 500 mm from centre          (mT)
                             Field quality
  Transfer Function (geometric)        (T/m)/(kA)      9.247
          TF (saturation)                  (units)    -109.3
           b6 (geometric)                  (units)     -1.12
           b6 (saturation)                 (units)      0.39
           b6 (persistent)                 (units)
          b10 (geometric)                  (units)    -0.01
             Summer
 Tc0m (K)      18.3        18.3        18.3
Bc20m (T)      28.0        28.0        28.0
 Tc0(eps)      18.0        18.0        18.0
 Bc0(eps)      26.7        26.7        26.7
alphaNb3Sn     900         900         900
   eps        0.003       0.003       0.003
Bc2(T,eps)     23.7        26.0        20.9
 CNb3Sn0      47000       47000       47000
 CNb3Sn       45900       45900       45900
    T           4.2         1.9         6.3      4.40
    B        j (A/mm2)   j (A/mm2)   j (A/mm2)
   1.0        37658       41492       32054
   2.0        24337       27035       20445
   3.0        18084       20269       14973
   4.0        14187       16057       11558
   5.0        11435       13084        9151
   5.0        11435       13084        9151
   6.0         9354       10831        7335
   6.0         9354       10831        7335
   7.0         7711        9048        5910
   7.0         7711        9048        5910
   7.5         7011        8286        5306
   8.0         6376        7594        4761
   9.0         5272        6384        3820
   9.0         5272        6384        3820
   10.0        4345        5363        3040
   10.0        4345        5363        3040
   11.0        3561        4493        2391
   11.9        2957        3815        1900
   12.0        2895        3745        1850
   12.0        2895        3745        1850
   13.0        2328        3101        1400
   13.0        2328        3101        1400
   14.0        1844        2545        1029
   14.0        1844        2545        1029
   15.0        1434        2064        727
   15.0        1434        2064        727
   16.0        1089        1650        485
   16.0        1089        1650        485
   17.0        801         1296        298
   17.0        801         1296        298
   18.0        564         994         160
   18.0        564         994         160
19.0   374   739   67
19.0   374   739   67
20.0   227   528   15
20.0   227   528   15
21.0   119   357   0
21.0   119   357   0
22.0   47    222   21
22.0   47    222   21
23.0   8     121   75
23.0   8     121   75
24.0   1     52    159
24.0         52    159
25.0         12    273
25.0         12    273
26.0         0     414
                                                     From Lubell
                           NbTi                                             Cu
      Beta                               Alfa                        Beta
      50.55                             69.81                        6.75




     Magnet                              HQ
     Aperture                           120.0
Operating Temp, T0                       1.9
    SS Field Bp
    SS Current
   Operating Bp                         11.92
 Operating Current
   Operating B0
    SS Field B0
     Bmargin
        Tcs                              6.3
                     Tcs_NbSn_Dipoles(4.4,15.83,13077,13.12,10620)


   Strand Diam                          0.800
 Min Ic(1.9K,10T)
     Cu/nnCu                             1.17
 Min Jc(1.9K,10T)
     Strand #                            35
    Thin Edge                       1.341105281
    Thick Edge                      1.538894719
      Width                             15.11
    Area Cable                          23.25
  Transp. Angle
Cos Transp. Angle                       0.966
   Compaction                           0.78
  Area Strands                          18.21
    Area NbSn                           8.38
    Area voids                          5.04
Voids with Helium
  Area Helium
 Density(Tcs) He
 Density(T0) He
     H(T0) He
      DH He
    Max DH He
    Min DH He
      DH Cu                           4.39E+03
     DH NbSn                          2.11E+04
  Max DH Cable                        9.45E+00
Max DH Cable   9.45E+00
DH Conductor   9.45E+00
                        Fit from Bordini's PhD Thesis (2006) based on Data From B
Cu                                                   Nb3Sn - B>10T
      Alfa                      Beta
     97.43   6.08E-02         1.12E+01          1.70E+01
is (2006) based on Data From Bouquet (2004)
  Nb3Sn - B>10T
                                    Alfa
                 4.48E-03        4.08E-01     9.34E-01

								
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