In the text, we will take cleaning valve for instance to discuss the calculation of fluid field and characteristic of resistance.

本文就清洗液阀门流道的流场计算和流量特性进行讨论。

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Based on experimental analysis and theoretical calculation, the wave velocity field has been obtained, which is used to calculate the wave height after breaking by VOF (Volume of Fluid) method.

首先通过实验测量和理论计算得到波浪崩破时的速度场，然后根据该速度场利用VOF法计算波浪破碎后的波高值；

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Based on the analysis on ventilation system, the calculation region of rotary fluid field is plotted out and meshed in unstructured grid.

本文通过对水轮发电机通风系统的分析，确定了旋转流体场计算区域，采用非结构化网格对计算区域进行离散。

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