root mean square velocity 中文意思是什麼
root mean square velocity
解釋
均方根速度-
Spectral method and spectral element method are both used in the present dns. the flow is developed from an initial velocity field whose mean and root mean square values are fitted to the experimental data. the reynolds number of the flow is 2250 based on the mean velocity and the radius of the pipe
本文在空間離散上採用譜方法和譜元法的結合,通過在圓管層流速度剖面上疊加隨機擾動作為初始場的方法,計算了管長為,平均雷諾數為2250的光滑圓管內的湍流流動,建立了圓管內較低雷諾數下速度場和壓力場的數據庫。
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