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

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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

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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

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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

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