reynolds criterion 中文意思是什麼
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The critical value of these parameters and that of flow pattern criterion reynolds number of newtonian fluid are equally possessed of the character irrelative to fluid rheological property
這些參數的臨界值與牛頓液體流態準數雷諾數的臨界值，同樣具有與液體流變性無關的特點。 -
In this paper, the working fluid is air. experimental study of the nine different structure parameters of 3 - d ift with staggered arrangement fins in the reynolds number range of 250 to 30000 is performed to investigate the characteristics of heat transfer and flow friction behavior. analyses and reduces the experimental data by the least square method, obtains the nusselt and fanning friction fitting criterion equations
本文以空氣為工質，在re 250 30000范圍內對九根具有不同肋形結構尺寸的肋叉排三維內肋管的換熱及流動特性進行了研究，並運用最小二乘法分析和處理實驗數據，獲得努謝爾特數，范寧摩擦系數與雷諾數，肋幾何參數的準則方程式。 -
The current cfd soft wares were introduced. secondly, there were the correlative knowledge about the time averaged reynolds equation, the criterion k ? model, the simple method, the technology of unstructured mesh, the terminal condition and the modeling method
詳細分析與本文研究相關的雷諾時均方程、標準k -模型、 simple計算方法、非結構網格技術、邊界條件以及所用到的幾何建模方法。
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