velocity inlet region 速度助流区
Heat transfer in turbulent free swirl flow produced by a new developed swirl generator in the inlet region of a smooth pipe has been studied.
研究由一种新的旋流发生装置所形成的自由旋流在光滑管入口段的传热情况。
The moving reference frame is used in the impeller region and the boundary conditions are velocity inlet and pressure outlet.
在计算时对于叶轮区域采用旋转参考系的方式，边界条件分别是进口速度边界条件以及出口压力边界条件。
The manifold and line of airflow in important region of muffler are analyzed by airflow traces from improved muffler inlet.
利用改进消声器的入口气流迹线图研究了消声器内重点区域的气流流形及流线分布情况。
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