Asymmetric Velocity Distribution in Boundary-Heating Granular Gas and a Hydrodynamic Description

被引：5

作者：

Chen, Yanpei ^{[1
]}

Hou, Meiying ^{[1
]}

Evesque, Pierre ^{[2
]}

Jiang, Yimin ^{[3
]}

Liu, Mario ^{[4
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Key Lab Soft Matter Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[2] Ecole Cent Paris, CNRS, UMR 8579, Lab MSSMat, F-92295 Chatenay Malabry, France

[3] Cent S Univ, Changsha 410083, Peoples R China

[4] Univ Tubingen, Theoret Phys, D-72076 Tubingen, Germany

来源：

POWDERS AND GRAINS 2013 | 2013年 / 1542卷

基金：

中国国家自然科学基金;

关键词：

Granular gas; Velocity distribution; Granular hydrodynamics;

D O I：

10.1063/1.4812050

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A microgravity experimental study of vibrofluidized granular gas with intermediate number density is performed. Local velocity distributions are investigated, and are found to deviate measurably from a symmetric distribution for the velocity component in the direction of vibration due to the boundary heating mechanism. One generalized granular hydrodynamic theory (GSH) is used for a phenomenological model to describe this extended boundary effect by introducing additional variables to the two-peak distribution profile, which provides an account for the understanding of the bulk boundary effect.

引用

页码：791 / 794

页数：4

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