在非稳流下，采用函数拟合法，得出流体切向速度随半径变化的表达式及流体所受切向剪切力和分布曲线。
Secondly, in conditions of non-steady flow, azinuthal velocity and shear stress distribution were deduced according to function approximation method.
用非稳态仿真验证了流体经过旋转叶轮结构和稳压罐后，在出口处能达到平稳流动状态。
It is proved that the fluid through the structure of rotating impeller and tank regulator can achieve a smooth flow state at the exit by making use of unsteady state simulation.
用非稳态仿真验证了流体经过旋转叶轮结构和稳压罐后，在出口处能达到平稳流动状态。
It is proved that the fluid through the structure of rotating impeller and tank regulator can achieve a smooth flow state at the exit by making use of unsteady state simulation.
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