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Chemical Engineering - Fluid Mechanics - Discussion

Discussion Forum : Fluid Mechanics - Section 5 (Q.No. 8)
Fluid Mechanics
8.
For flow of fluids through packed bed, the superficial velocity is
less than the average velocity through channels.
more than the average velocity through channels.
dependent on the pressure drop across the bed.
same as the average velocity through channels.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.
NAIMISH said:   6 years ago
Answer should be "B".
Siddhant ju said:   5 years ago
Option B is correct.
Shiva said:   5 years ago
Option B should be correct.
Chandana Devi said:   3 years ago
By simple mathematics, we see that our average velocity is greater than superficial velocity only because the area available for the same flow rate increases when we calculate superficial velocity.

Vs = Vavg*Ï•Vs = Vavg*Ï•.

So, Vavg>VsVavg>Vs.
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