An empirical formula of depth-averaged velocity is derived by means of dimensional analysis, and at the same time the characteristics of the variation of bottom current velocity are described.
文中还利用量纲分析，导出了挖槽中心垂线平均流速折减系数的经验公式。
The distribution of time-averaged axial velocity in the outlet tube was very different from that in the separation space.
排气管内轴向速度分布与分离空间内的分布形态迥异。
The distribution of the time-averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results;
全面地分析了矩形射流气相时均流场的速度、湍流强度的空间分布规律，并就部分数值模拟结果与实验结果进行了对比研究；
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