Scaling of granular temperature in a vibrated granular bed

被引：14

作者：

Zivkovic, V. ^{[1
]}

Biggs, M. J. ^{[1
]}

Glass, D. H. ^{[2
]}

机构：

[1] Univ Adelaide, Sch Chem Engn, Adelaide, SA 5005, Australia

[2] Univ Edinburgh, Inst Mat & Proc, Edinburgh EH9 3JL, Midlothian, Scotland

来源：

PHYSICAL REVIEW E | 2011年 / 83卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

OBSERVING BROWNIAN-MOTION; FLUIDIZED-BED; DYNAMICS; SIMULATIONS; STATISTICS; SYSTEM;

D O I：

10.1103/PhysRevE.83.031308

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：

Granular temperature underpins the kinetic theory of granular flows as well as models for heat transfer, segregation, erosion, attrition, and aggregation in various granular systems. It is generally thought that granular temperature in vibrated granular systems scales with the square of the peak vibrational velocity. However, careful diffusing wave spectroscopy experiments and statistical analysis of data obtained from these for a three-dimensional vibrated bed of monodisperse glass particles reveals that the granular temperature is also significantly correlated with other vibrational parameters. Reexamination of previously published data obtained by others using alternative methods further supports our thus far unremarked upon observation reported here.

引用

页数：8

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