A Particle Resistance Model for Flow through Porous Media

被引：8
|
作者：
Wu Jin-Sui [1 ]
Yin Shang-Xian [2 ]
Zhao Dong-Yu [3 ]
机构：
[1] N China Univ Sci & Technol, Dept Basic Teaching, Beijing 101601, Peoples R China
[2] N China Univ Sci & Technol, Fac Safety Engn, Beijing 101601, Peoples R China
[3] China Univ Min & Technol, Fac Safety Engn, Xuzhou 221116, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2009年 / 26卷 / 06期
基金：
中国国家自然科学基金;
关键词：
FRACTAL SANDSTONE PORES; PERMEABILITY MODEL; CHARACTER; SURFACES; SPHERES;
D O I：
10.1088/0256-307X/26/6/064701
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A particle model for resistance of flow in isotropic porous media is developed based on the fractal geometry theory and on the drag force flowing around sphere. The proposed model is expressed as a function of porosity, fluid property, particle size, fluid velocity (or Reynolds number) and fractal characters D-f of particles in porous media. The model predictions are in good agreement with the experimental data. The validity of the proposed model is thus verified.
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页数：4
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