离心泵叶轮内宾汉流体湍流流场的数值计算

Numerical Study of Turbulent Flow on Bingham Fluid in Pump Imperller

考虑宾汉流体本构关系特点，建立了任意曲线坐标系（ξ，η）下宾汉流体湍流流动的基本方程。应用压力加权校正算法，实现了速度场和压力场的关联。采用交错网格技术，解决了非物理压力振荡问题。在此基础上，对离心泵叶轮内回转面上宾汉流体湍流流动进行了数值模拟。

Control equations of Bingham fluid are presented according to the Bingham fluid constitution equation. The pressure field and velocity field are correlated by a pressure correction equation. Using the staggered grid, the non physical pressure oscillation can be efficiently diminished. The numerical computations are performed for Binghem fluid in a pump impeller.