模型水轮机尾水管压力脉动试验研究

Experimental Research on Pressure Pulsation Test for Draft Tube of a Model Turbine

在水轮机模型试验台上进行水轮机尾水管压力脉动试验研究,通过压力脉动试验工况的选择、测点的布置、信号采样频率及采样时间的确定,得到了在水轮机模型试验台上进行水轮尾水管压力脉动试验的方法。试验结果表明,所选择的工况合理,测点布置科学,信号采样频率及采样时间确定合理可行。

Experimental research on pressure pulsation test for turbine draft tube on turbine model testing platform is presented in this paper.The method for pressure pulsation test of turbine draft tube on turbine model testing platform is introduced with detailing the choice of operating mode in pressure pulsation test,arrangement of testing points,and determination of signal sampling frequency and time.The test results show that the operating mode selected is reasonable,the arrangement of testing points is correct,and the signal sampling frequency and time are feasible.