In this paper, it is introduced to the influence of cavitation factor, measurement taps, sampling frequency and sampling time on the test result in pressure fluctuation test of the water turbine.
介绍了水轮机压力脉动试验时空化系数、测量位置及测点、信号采样频率及采样时间等因素对试验结果的影响。
The result of the test shows that, there is obvious pressure fluctuation in the inlet channels, and the amplitude of the fluctuation depends on the working condition of the engine.
试验和分析表明，两缸进气道中存在着明显的压力波动，波动程度取决于发动机工况。
The pressure fluctuation in the draft tube is obtained. The calculated pressure fluctuation frequency agrees with the test data.
数值模拟得到的尾水管中压力脉动的频率，与湖北中试所在隔河岩进行测试的结果基本一致。
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