Water Resource CE

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What happens during high Reynolds number with a friction factor in rough pipes?

A - Thickness of viscous boundary layer decreases.
B - Sheer stress of the boundary is dominated.
C - Flow in the pipe becomes fully turbulent as the hydrodynamic drag with the roughness projections into the main body of the flow.
D - All of the above.

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Water Resource Assessment 11 Question (19/20)

The Prandtl’s equation is used in smooth pipe case scenarios where Reynolds number is low.

What happens during high Reynolds number with a friction factor in rough pipes?

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