Incompressible lattice Boltzmann model for porous flows with large pressure gradient

被引：7
|
作者：
Guo, Zhaoli [1 ]
Zheng, C. G. [1 ]
Shi, B. C. [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Natl Lab Coal Combust, Wuhan 430074, Peoples R China
来源：
PROGRESS IN COMPUTATIONAL FLUID DYNAMICS | 2009年 / 9卷 / 3-5期
基金：
中国国家自然科学基金;
关键词：
porous flow; lattice Boltzmann equation; incompressible fluid; HEAT-TRANSFER; MEDIA;
D O I：
10.1504/PCFD.2009.024823
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
To drive a fluid in a porous media, a large pressure drop is usually required. Under such cases, the standard lattice Boltzmann equation, which uses the equation of state of ideal gases, may fail to work due to compressibility effect. In this paper, we propose an incompressible lattice Boltzmann model for porous flows, which can overcome this difficulty. Numerical results demonstrate that the model can use a large pressure without the compressibility effect.
引用
收藏
页码：225 / 230
页数：6
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