問題詳情

5.(20%) For turbulent flow in a smooth pipe with pVD/μ < 105,the velocity profile in the turbulent core can be approximated by the following power equation:    where y and r are respectively the distances measured from the pipe wall and the pipe axis, and ro is the radius of the pipe. What is the average velocity V of this pipe flow if expressed in umax?

參考答案

答案:C
難度:簡單0.707317
統計:A(17),B(2),C(58),D(0),E(0)

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