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How do we calculate losses for a larger range of Reynolds number?

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+2 votes
in Fluid Mechanics by (118k points)
How do we calculate losses for a larger range of Reynolds number?

(a) Moody chart

(b) Bar chart

(c) Scatter chart

(d) Column histogram

The question was asked during an interview.

My doubt is from Loss of Head due to Friction in Viscous Flow in division Viscous Flow & Turbulent Flow of Fluid Mechanics

1 Answer

+2 votes
by (362k points)
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Best answer
Correct answer is (a) Moody chart

To elaborate: Moody chart is a graph of frictional factor(f) vs Reynolds numbers. It gives various values corresponding to the ‘k/d’ ratios. Where ‘k’ is the measure of the wall roughness and ‘d’ is the pipe diameter.

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