Continuum theory of partially fluidized granular flows

被引：139

作者：

Aranson, IS

Tsimring, LS

机构：

[1] Argonne Natl Lab, Argonne, IL 60439 USA

[2] Univ Calif San Diego, Inst Nonlinear Sci, La Jolla, CA 92093 USA

来源：

PHYSICAL REVIEW E | 2002年 / 65卷 / 06期

关键词：

D O I：

10.1103/PhysRevE.65.061303

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 continuum theory of partially fluidized granular flows is developed. The theory is based on a combination of the equations for the flow velocity and shear stresses coupled with the order-parameter equation which describes the transition between the flowing and static components of the granular system. We apply this theory to several important granular problems: avalanche flow in deep and shallow inclined layers, rotating drums, and shear granular flows between two plates. We carry out quantitative comparisons between the theory and experiment.

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页数：20

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