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Pressure

The velocity ...

Question

The velocity distribution for turbulent flow through circular pipe is

A

Uniform

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B

Linear

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C

Parabolic

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D

Logarithmic

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Solution

The correct option is D Logarithmic

Velocity profile in case of turbulent flow is much flatter. The profile becomes more flat at higher Reynold's number.

For velocity distribution in turbulent flow in circular pipe

$\frac{u - u_{av}}{u^{*}} = 5.75 {log}_{10} (\frac{y}{R}) + 3.75$

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