When the vanes rotates in the cleaning trough, they change the distribution of the flow field, and the velocity distribution near the outlet, so the cleaning property change directly.
随着清洗槽内的叶片转动，清洗槽内的流场分布发生变化，相应的出水口附近的速度也发生变化，这样直接影响着清洗性能。
The flow field near the narrow side in a vertical rectangular narrow channel is studied with the numerical simulation and visualization test.
采用可视化实验和数值计算相结合的方法对窄缝流道内窄边附近的流场进行了研究。
The analysis of the flow field indicates that the flow separation near shroud had more badly influence on performance of impeller.
详细分析了风机内部流场情况，发现轮盖附近的流动分离现象使叶轮对流体的做功能力受到很大影响。
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