Which of the following equations is valid for laminar flow of a fluid through packed bed ?
Correct answer: D. Kozeny - Karman equation
- A. Fanning equation
- B. Blake-Plummer equation
- C. Hagen-Poiseuille equation
- D. Kozeny - Karman equation
Explanation
The Kozeny-Karman equation describes pressure drop through a packed bed in the laminar-flow regime. Hagen-Poiseuille applies to flow through an individual circular tube, not normally to a packed bed.
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