問題詳情

3.First write down the definition for Reynolds number, explain its physical meaning in details. Also explain its relation to laminar flow, turbulent flow, and flow transition. Why flow could never change from turbulent to laminar, and always change from laminar to turbulent? Explain reasons in details.(20%)

參考答案

答案:B
難度:簡單0.854783
統計:A(33),B(1242),C(30),D(148),E(0)

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