Chemical Engineering > GATE 2023 > Turbulent Flow
For a fully developed turbulent flow of an incompressible Newtonian fluid through a pipe of constant diameter, which of the following statements is/are CORRECT?
A
Reynolds stress, averaged over a sufficiently long time, is zero everywhere inside the pipe.
B
Reynolds stress at the pipe wall is zero.
C
Average velocity of the fluid is half of its center-line velocity.
D
Average pressure gradient in the flow direction is constant.

Correct : b, d

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