For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) ?
Correct answer: A. Vs/Dp2
- A. Vs/Dp2
- B. Vs2/Dp2
- C. Vs2/Dp3
- D. Vs/Dp3
Explanation
In the laminar packed-bed region, the viscous term of the Ergun equation gives pressure drop proportional to μVs/Dp². The Vs² term applies to the inertial, higher-flow contribution.
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