GATE Chemical Engg 2011 Q.47: Ergun Equation Viscous to Kinetic Loss Ratio

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Chemical Engineering > GATE 2011 > Packed Beds

For a liquid flowing through a packed bed, the pressure drop per unit length of the bed ΔP / L is

Where: V̅₀ is the superficial liquid velocity
ε is the bed porosity
d_p is average particle size
ϕ_s is particle sphericity
ρ_f is liquid density
μ_f is liquid viscosity
When ‾V₀ is 0.005 m/s and ε=0.5, which ONE of the following is the CORRECT value for the ratio of the viscous loss to the kinetic energy loss?

A

0.09

B

1.07

C

10.71

D

93

Correct : c

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