Stratified horizontal flow in vertically vibrated granular layers

被引：30
作者：
Levanon, M [1 ]
Rapaport, DC [1 ]
机构：
[1] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
来源：
PHYSICAL REVIEW E | 2001年 / 64卷 / 01期
关键词：
D O I：
10.1103/PhysRevE.64.011304
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A layer of granular material on a vertically vibrating sawtooth-shaped base exhibits horizontal how whose speed and direction depend on the parameters specifying the system in a complex manner. Discrete-particle simulations reveal that the induced flow rate varies with height within the granular layer and oppositely directed flows can occur at different levels. The behavior of the overall flow is readily understood once this feature is taken into account.
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