Lattice Boltzmann simulation of mixed convection in a driven cavity packed with porous medium

被引：0
|
作者：
Chai, Zhenhua [2 ]
Guo, Zhaoli [2 ]
Shi, Baochang [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Coal Combust, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, State Key Lab Coal Combust, Wuhan 430074, Peoples R China
来源：
COMPUTATIONAL SCIENCE - ICCS 2007, PT 1, PROCEEDINGS | 2007年 / 4487卷
基金：
美国国家科学基金会;
关键词：
lattice Boltzmann method; mixed convection; porous medium;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The problem of mixed convection in a driven cavity packed with porous medium is studied with lattice Boltzmann method. A lattice Boltzmann model for incompressible flow in porous media and another thermal lattice Boltzmann model for solving the energy equation are proposed based on the generalized volume-averaged flow model. The present models have been validated by simulating mixed convection in a driven cavity (without porous medium) and it is found that the numerical results predicted by present models are in good agreement with available data reported in previous studies. Extensive parametric studies on mixed convection in a driven cavity filled with porous medium are carried out for various values of Reynolds number, Richardson number and Darcy number. It is found that the flow and temperature patterns change greatly with variations of these parameters.
引用
收藏
页码：802 / +
页数：2
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