Chemical Engineering - Fluid Mechanics - Discussion

Discussion Forum : Fluid Mechanics - Section 3 (Q.No. 22)
22.
Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is
Q/2
Q/4
Q/8
Q/16
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Kalpi said:   9 years ago
Can anyone explain this? Please.

Chintan said:   7 years ago
Can anyone explain this? Please.

Hgaj said:   7 years ago
Why? Explain.

Sujith V S said:   7 years ago
Apply Hagen Poiseuille equation, Q proportional to D^4 so if dia or radius is halved, the Q decreases by 16 times.
(4)

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