Numerical simulation of particle flow in a sand trap

被引：0
|
作者：
A. D. Araújo
J. S. Andrade
L. P. Maia
H. J. Herrmann
机构：
[1] Universidade Federal do Ceará,Departamento de Física
[2] Universidade Federaldo Ceará,Instituto de Ciências do Mar (LABOMAR)
[3] IfB,Computational Physics
[4] ETH-Hoenggerberg,undefined
来源：
Granular Matter | 2009年 / 11卷
关键词：
Wind Velocity; Membrane Permeability; Particle Trajectory; Hollow Cylinder; Aeolian Sand;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Sand traps are used to measure Aeolian flux. Since they modify the surrounding wind velocity field their gauging represents an important challenge. We use numerical simulations under the assumption of homogeneous turbulence based on FLUENT to systematically study the flow field and trapping efficiency of one of the most common devices based on a hollow cylinder with two slits. In particular, we investigate the dependence on the wind speed, the Stokes number, the permeability of the membrane on the slit and the saltation height.
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页码：193 / 200
页数：7
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