Diffusion as a mixing mechanism in granular materials

被引：29

作者：

Henrique, C. ^{[1
]}

Batrouni, G. ^{[2
]}

Bideau, D. ^{[1
]}

机构：

[1] Grp. Matière Cond. et Mat., Université de Rennes I, Campus de Beaulieu, 35042 Rennes Cedex, France

[2] Institut Non-Linéaire de Nice, Univ. de Nice-Sophia Antipolis, 1361 Route des Lucioles, 06560 Valbonne, France

来源：

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics | 2001年 / 63卷 / 1 I期

关键词：

Algorithms - Diffusion in solids - Energy dissipation - Friction - Grain size and shape - Molecular dynamics;

D O I：

10.1103/PhysRevE.63.011304

中图分类号：

学科分类号：

摘要：

Numerical results on granular mixtures are presented. The efficiency of diffusion as a mixing mechanism is examined. The collisions are inelastic and the grains are thermalized to compensate the energy loss. Uniform heating leads to a uniform mixture of grains of different sizes. The characteristic mixing time is defined. Its dependence on other parameters is studied. A model for bidisperse systems for which we can calculate some physical quantities is examined. The effect of a temperature gradient is examined.

引用

页码：011304 / 011301