以设计点为动力来运转轴向幅流叶轮机，涡空化的影响相当的大但无法用数据表示。
In Francis turbines operating off design point the influence of vortex cavitation is considerable yet not quantitatively known.
部分气泡被旋涡空化团所包含，因此在通气条件下，空化涡中包含有空化泡和空气泡。
With the motion of separating vortices, some of them flow downstreamly as a free air bubbles, and some move to the shear layer flow region entrained by cavitating vortices.
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.
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