The comprehensive performances, including the efficiency, cavitation and stability are the emphases of research of the hydraulic machinery.
效率、空化性能及稳定性是混流式水轮机的三大综合性能指标，也是我们研究的重点。
The principle of laser cavitation noise was also Elaborated and the efficiency of the transformation from laser to noise.
阐述了激光空泡噪声的原理，分析了激光产生噪声的转换效率。
Power consumption of small, high efficiency, and has a damping effect, reducing vibration on the pump motor and pump in the effects of cavitation vibration when the impact of the motor.
功耗小、效率高，且具有阻尼减振作用，减少了电动机振动对泵的影响和泵发生气蚀振动时对电动机的影响。
The boss vortex cavitation of propeller can be avoided by PBCF, and an increase of 2% in propulsion efficiency has been measured in the model tests.
桨毂帽鳍可改善毂涡空泡，模型试验状态下可提高推进效率2%左右。
The design of hydraulic turbine generator set of Xizhong hydropower plant was not rational, existed the problems of the lower hydraulic turbine efficiency and the serious cavitation erosion.
西中电厂水轮发电机组设计不合理，存在水轮机效率与出力低，汽蚀严重等问题。
To improve the pump efficiency of these Wells, this paper analyzes the factors that affect pump efficiency and founds out the effect of cavitation erosion on it.
为了提高这部分油井泵效，对泵效影响因素进行分析，发现了气蚀效应对泵效的影响。
To improve the pump efficiency of these Wells, this paper analyzes the factors that affect pump efficiency and founds out the effect of cavitation erosion on it.
为了提高这部分油井泵效，对泵效影响因素进行分析，发现了气蚀效应对泵效的影响。
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