分别建立了水涡轮机械中、低、高浓度固液两相流湍流模型及泥沙磨损模型。
Turbulence models and wear models of low concentration as well as high concentration solid Liquid two - Phase flows in hydraulic turbomachinery are developed.
在哈利特自然保护区你可以看到很多种鸟，以及松鼠、浣熊、鸭子和小鸟在岩石上的小水涡里啄食。
You can see many of them in the Hallett sanctuary, along with squirrels, racoons, ducks and birds pecking at puddles on the rocks.
根据水涡轮机械的工作原理，对几何相似的水涡轮机械，导出了其单位工作参数所必须满足的方程。
The unit working parameter equations and hydraulic efficiency parameter equations for geometrically similar water turbomachinery are derived.
本文通过尾水管内流动的模拟，导出了由尾水涡带所引起的周期性振动的振动频率和脉动压力的计算公式。
This paper gives the flow simulation of hydraulic turbine draft tubes. Then, the calculation formula of the frequency and force of vibration of the draft tube are derived.
本文通过尾水管内流动的模拟，导出了由尾水涡带所引起的周期性振动的振动频率和脉动压力的计算公式。
This paper gives the flow simulation of hydraulic turbine draft tubes. Then, the calculation formula of the frequency and force of vibration of the draft tube are derived.
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