“Darcy-Weisbach equation”的概念、定义、翻译、参考文献-科学参考

单词	Darcy-Weisbach equation
释义	Darcy-Weisbach equation [¦där·sē `vīs´bäk i´kwā·zhǝn] ^{FLUID MECHANICS} An equation for the loss of head due to friction h_f during turbulent flow of a fluid through a duct of any shape; in the case of a circular pipe, h_f =f (L/d )(V²/2g ), where L and d are the length and diameter of the pipe, V is the fluid velocity, g the acceleration of gravity, and f a dimensionless number called Darcy number 1.
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