COULSON FLUIDISATION- ANSWERS Flashcards
1
Q
Example 6.1 A bed consists of uniform spherical particles..... Dp=3 mm densityp=4200 kg/m3 viscosityL=3mNs/m2 densityL=1100 kg/m3 required= min fluidizing velocity
A
36.4 mm/s
2
Q
Oil, of density 900 kg/m3..... viscosity= 3mNs/m2 Dp=0.1 mm densityp=2600 kg/m3 required: mass rate of flow per unit area will occur a. fluidization b. transport
A
A. 0.059 kg/m2s
B. 2.7 kg/m2s
3
Q
densityp=1600 kg/m3 Dp=1.5 mm Tube diameter=10mm assume carman kozeny is applicable reqd= minimum velocity
A
0.0133 m/s
4
Q
Glass particles of 4 mm diameter are fluidized by water at a velocity of 0.25 m/s….
reqd= voidage of the bed
density of glass= 2500 kg/m3
density of water=1000 kg/m3
A
E= 0.784