然而，人们对其流道内三维粘性流动的认识却非常有限。
However, knowledge of the 3d viscous flow in this kind of impeller flow passage is quite limited.
利用三维粘性流动数学模型，研究了台阶突扩流动的三维特性。
The characteristics of the flow over a backward facing step are studied by use of a 3 D viscous flow mathematical model.
建立了一体化弹用小涡扇发动机系统含粘性力项的准三维欧拉流动模型。
A quasi three dimensional flow Euler model with viscous force terms was constructed for integrated small turbofan engine systems.
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