The comparison between simulation results and test data indicates that the calculation of flow field is accurate.
模拟结果与试验数据的对比表明，流场计算是准确的。
At the same time calculation of the numerical simulation is carried out on the flow field of HL220 runner. Its result shows that BEM is effective on the calculation of three-dimensional flow field.
并对HL 220转轮流场进行数值模拟计算，结果表明此法是进行三维流场计算的有效方法。
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