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What is the Reynolds number range when the drag coefficient formula is 24/(Rep)?

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+1 vote
in Fluidization Engineering by (102k points)
What is the Reynolds number range when the drag coefficient formula is 24/(Rep)?

(a) Rep < 0.4

(b) 0.4 < Rep < 500

(c) 500 < Rep < 200,000

(d) None of the mentioned

I got this question during an internship interview.

Enquiry is from Terminal Velocity of Particles topic in chapter Fluidization and Mapping of Regimes of Fluidization Engineering

1 Answer

+2 votes
by (103k points)
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Best answer
The correct choice is (a) Rep < 0.4

To explain I would say: Range is taken based on the experimental values.

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