详细分析了空化初生的各种影响因素。
通过调节通气提高空化初生的空化数，工作时孔板旋转使堵塞物破碎和脱离。
Through the adjustment of ventilation, the nascent cavitation number of cavitation is improved and the pore plate can crush and separate clogs during operation.
建立了微可压缩流理论和大涡模拟方法相结合的空化流数学模型，为四川大学工学博士学位论文孔板泄洪洞空化初生的研究开辟了一条新途径。
Established a mathematical model to simulate the instantaneous flow fields and cavitation by combining the weakly compressible fluid theory and the Large Eddy Simulation method.
基于空泡动力学及概率统计理论，本文建议了一种预测绕流体初生空化数的方法。
Based on the bubble dynamics and the probability theory, a method for estimating the incipient cavitation number is suggested.
试验和理论分析表明，水流的初生空化和空蚀可以利用常压水洞来模拟。
Experiment and theory analysis shows that the inception cavitation and developed cavitation can be simulated by hydraulic tunnel device in laboratory.
渥奇段的空化为体型分离型，初生空化数约为0．2左右。
The paraboloid cavitation pattern is an isolated type; and the initial cavitation number is 0. 2 or so.
初生空化数由韦伯数w和空泡相对膨胀速度M所组成。
The incipient cavitation number consists of Weber's number W and m - relative velocity of cavitation bubble explosion.
水流的初生空化噪声频率不仅与汽化压力和流体的特性有关，而且还与流体的环境压力分布和速度分布有关，与空化类型关系更为密切。
The inception cavitation does n'f only related the liquid vapouration pressure and its character, but also the pressure grad and velocity distribution.
水流的初生空化噪声频率不仅与汽化压力和流体的特性有关，而且还与流体的环境压力分布和速度分布有关，与空化类型关系更为密切。
The inception cavitation does n'f only related the liquid vapouration pressure and its character, but also the pressure grad and velocity distribution.
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