Research on the effect of particle of two-dimensional shear flow

被引：2
|
作者：
Lin Jian-zhong
Shi Xing
Yu Zhao-sheng
机构：
[1] Zhejiang University,Department of Mechanics
[2] Hangzhou Institute of Applied Engineering,undefined
来源：
Applied Mathematics and Mechanics | 2000年 / 21卷 / 8期
关键词：
gas-solid flow; shear layer; coherent structures; two-way coupling;
D O I：
10.1007/BF02428353
中图分类号：
学科分类号：
摘要：
The two-way coupling model was adopted to study the two-dimensional gas-solid mixing layer. The flow was simulated by pseudo-spectral method and particles were traced with Lagrangian method. It is found that the concentration and the Stokes number of the particles have distinct effect on the flow not only accounting for the influence of the flow on the particles, but also the particles' counteraction on the flow. The particles accelerate the dispersion of the vorticity and inhibit the variance of the flow and diminish the intensity of the coherent structure. The lifetime of the vortex is shortened. The pattern of particles' distribution is similar to the results from one-way coupling model.
引用
收藏
页码：855 / 860
页数：5
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