Minimum Fluidization Calculator for green coffee beans
Volume mf Bed mf
Bed mass Chamber bed height Initial Bed Flow delta-P(in
(g) diameter (in) air temp. (F) Sphericity voidage dp(cm) (in) cups Volume (cc) rate(CFM) H2O) mm h20 dp(m)
temperature
of the bed, A How The
but since measure much effective
ours of how empty size if How Static head
changes, it scherical space in the many needed to Static effective
obvious - is not of the the beans a given particle cups of cubic fluidize in head in sphere
Obvious I changeable most are. 1.0 = volumne - were a Calculated the bed centimeters mf = min. inches of mm of size in
hope field importance sphere. 0=solid sphere field mass or milliliters fluidization water water meters
100.0 6.0 100 0.700 0.300 0.73 0.3 0.6 138 27.8 0.2 4.9 0.0
180.0 6.0 100 0.700 0.300 0.73 0.5 1.0 249 27.8 0.3 8.8 0.0
300.0 6.0 100 0.700 0.300 0.73 0.9 1.7 415 27.8 0.6 14.7 0.0
400.0 6.0 100 0.700 0.300 0.73 1.2 2.2 553 27.8 0.8 19.6 0.0
500.0 6.0 100 0.700 0.300 0.73 1.5 2.8 691 27.8 1.0 24.5 0.0
air speed
Bean air air solid air gravity Volume mf
mass temp. density(k density(k viscosity( (m/s^2 A of Flow
(kg) (K) g/m^3) g/m^3) kg/m*s) ) a b c = -Ar Re umf(m/s) 2r(mm) tube(m2) rate(LPM)
min
diamet fluidization
Min. er of Area of flow in
density of These are variables in the fluidizatio chamb the liters per
beans fluidization calculations n velocity er chamber minute
0.000 311 1.2 1033 0.0000 9.8 92.6 7937 -12945369 333.5 0.7 152.4 0.0 788.6
0.000 311 1.2 1033 0.0000 9.8 92.6 7937 -12945369 333.5 0.7 152.4 0.0 788.6
0.000 311 1.2 1033 0.0000 9.8 92.6 7937 -12945369 333.5 0.7 152.4 0.0 788.6
0.000 311 1.2 1033 0.0000 9.8 92.6 7937 -12945369 333.5 0.7 152.4 0.0 788.6
0.000 311 1.2 1033 0.0000 9.8 92.6 7937 -12945369 333.5 0.7 152.4 0.0 788.6
Initial Initial
Volume mf Bed Bed Bed mf
Flow Volume Length delta-
rate(SCFM) (m^3) (m) P(psi)
bed
flow in cfm volume bed static
standardize in cubic height in head in
d to 25 c meters meters psi
26.7 0.0 0.0 0.00743
26.7 0.0 0.0 0.01337
26.7 0.0 0.0 0.02228
26.7 0.0 0.0 0.02971
26.7 0.0 0.0 0.03714