采用三维不可压紊流的连续方程与动量方程和紊动能与耗散率方程对内部流场进行研究计算。
The flow characteristics of inner flow field of turbine are computed with three-dimension incompressible continuous equation, momentum equation and turbulent kinetic-dissipation equation.
根据能量耗散率与剪切率的关系，采用体积平均能量耗散率计算环空管流的平均剪切率，以此来评价环空管流的剪切作用。
According to the relationship between energy dissipation rate and shear rate, average shear rate to evaluate the shear action for annular pipe flow is obtained by using energy dissipation rate.
基于剪切功率的耗散机理，提出了一种计算振动剪切流场中聚合物熔体动态黏度的粘性耗散法，并建立了理论模型。
Based on dissipation mechanism of shearing power, a new method of modeling dynamic viscosity of polymer melts in vibrating shear flows was proposed in this paper.
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