The complex internal flow has made volute to be one of the component costing most loss.
蜗壳内部的流动现象十分复杂，是损失最大的元件之一。
According to the experimental data, detailed analysis is made about the flow in the volute.
根据实验结果，从各个角度对该蜗壳内流体流动参数进行了分析。
The distributions of velocity, velocity moment, pressure and other flow parameters are obtained, and the properties of inner flow inside the volute are also analyzed.
得到了离心泵蜗壳内速度、速度矩、压力等参数的分布，分析了蜗壳内部流动的特征。
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