Chemical Engineering - Fluid Mechanics - Discussion

Discussion Forum : Fluid Mechanics - Section 4 (Q.No. 35)
35.
As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1
increases linearly with V.
decreases linearly with V.
decreases as V2.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Ajay said:   7 years ago
At very low Reynolds number, the flow is laminar, and according to Stoke's law at very low Reynolds number Df = constant * velocity.

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