Diffusion in multicomponent granular mixtures

被引：5

作者：

Bodrova, Anna S. ^{[1
]}

机构：

[1] HSE Univ, Moscow Inst Elect & Math, Moscow 123458, Russia

来源：

PHYSICAL REVIEW E | 2024年 / 109卷 / 02期

关键词：

ANOMALOUS DIFFUSION; TEMPERATURE DISTRIBUTION; MODELS; PARTICLES;

D O I：

10.1103/PhysRevE.109.024903

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：

We investigate diffusion in polydisperse granular media. We derive the mean-squared displacement of granular particles in a polydisperse granular gas in a homogeneous cooling state, containing an arbitrary amount of species of different sizes and masses. We investigate both models of constant and time-dependent restitution coefficients and obtain a universal law for the size dependence of the mean-squared displacement for steep size distributions.

引用

页数：7

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