A lattice-Boltzmann simulation study of the drag coefficient of clusters of spheres

被引：50
|
作者：
Beetstra, R. [1 ]
van der Hoef, M. A. [1 ]
Kuipers, J. A. M. [1 ]
机构：
[1] Univ Twente, Dept Sci & Technol, NL-7500 AE Enschede, Netherlands
来源：
COMPUTERS & FLUIDS | 2006年 / 35卷 / 8-9期
关键词：
D O I：
10.1016/j.compfluid.2005.03.009
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Drag coefficients of irregularly shaped particles, constructed from spheres, were measured in lattice-Boltzmann simulations and compared to literature data. The agreement is very well. The distance between the spheres was increased to study the influence of inter-particle distance on the drag force in clusters. The drag coefficient of the clusters was found to increase with inter-particle distance. The drag force on an individual particle in a cluster is lower when that particle is shielded from the flow by other particles. (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：966 / 970
页数：5
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