Full Scale Reynolds Numbers怎么翻译

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FullScaleReynoldsNumbers怎么翻译FullScaleReynoldsNumbers怎么翻译FullScaleReynoldsNumbers怎么翻译全尺寸雷诺数简介雷诺数（Reyn

Full Scale Reynolds Numbers怎么翻译
Full Scale Reynolds Numbers怎么翻译

Full Scale Reynolds Numbers怎么翻译
全尺寸雷诺数
简介
雷诺数（Reynolds number）一种可用来表征流体流动情况的无量纲数,以Re表示,Re=ρvr/η,其中v、ρ、η分别为流体的流速、密度与黏性系数,r为一特征线度.例如流体流过圆形管道,则r为管道半径.利用雷诺数可区分流体的流动是层流或湍流,也可用来确定物体在流体中流动所受到的阻力.例如,对于小球在流体中的流动,当Re比“1”小得多时,其阻力f=6πrηv（称为斯托克斯公式）,当Re比“1”大得多时,f′=0.2πr2v2而与η无关.

满量程雷诺数

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