turbulent viscosity meaning in Chinese
湍脸度
紊流粘度
Examples
- The two - dimensional body - fitted grid was created by method of partial differential equation and zonal method . the k - equation subgrid - scale model was used to simulate the turbulent viscosity , the chemical reaction rate was determined by the subgrid ebu combustion model and the heat flux model was employed for the heat flux
运用偏微分方程和区域法生成二维贴体网格,湍流模型采用k方程亚网格尺度模型,燃烧模型采用亚网格ebu燃烧模型,采用热通量辐射模型估算辐射通量。 - In this article , constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model . with these reasonable simplied modles , numerically simulating the flow field in the plasma ignition . during the numerical simulation , applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods , it can get flow field distribution ; including temperature , pressure , turbulent kinetic energy and its dissipation rate , turbulent viscosity , velocity , density . these results are significant to design and improve the plasma ignition
本文旨在通过构造反映等离子点火器内部流动规律的基本方程组，建立描述等离子点火器内部的复杂物理化学过程机制数学模型：模拟等离子发生器内部燃烧的-双方程湍流流动模型；模拟气体燃料在燃烧时中化学反应的简单化学反应系统模型；模拟等离子点火器内部湍流预混燃烧的漩涡破碎模型；模拟等离子点火器高温燃气及其壁面的p - i辐射换热的模型等等，对模型进行一定的合理的简化，然后数值模拟等离子点火器内部流场的流动。