Granular flow in a rotating cylindrical drum

被引：40
|
作者：
Elperin, T [1 ]
Vikhansky, A [1 ]
机构：
[1] Ben Gurion Univ Negev, Dept Mech Engn, Pearlstone Ctr Aeronaut Engn Studies, IL-84105 Beer Sheva, Israel
来源：
EUROPHYSICS LETTERS | 1998年 / 42卷 / 06期
关键词：
D O I：
10.1209/epl/i1998-00561-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Flow of granular material in a partially filled rotating cylinder is studied using a boundary layer approach. Simple equations are derived to describe granular dynamics in a transverse plane. A small parameter is recognized, and the derived equations are solved analytically in the first-order approximation of the small parameter. Cascading layer thickness, mean velocity along the layer and profile of the free surface are determined in a closed analytical form.
引用
收藏
页码：619 / 623
页数：5
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