Evolution of Dust Clouds in Afterglow Plasmas

被引：11
|
作者：
Meyer, John K. [1 ]
Merlino, Robert L. [1 ]
机构：
[1] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2016年 / 44卷 / 04期
关键词：
Coulomb explosion; Coulomb fission; dusty plasma; COULOMB EXPLOSION; FINITE SYSTEMS; FISSION;
D O I：
10.1109/TPS.2015.2504920
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：
The observations of the evolution of dust clouds in afterglow plasmas at various neutral pressures are presented. Four cases were studied which showed a large variation in the cloud dynamics. In two cases, the clouds responded by rapidly shedding an outer layer of dust. In another case, the entire cloud exhibited a nearly uniform expansion-Coulomb explosion. In perhaps the most exotic case, the cloud splits into two clouds-Coulomb fission. The results for the case of the Coulomb expansion were compared with a theoretical model that included the effects of neutral drag.
引用
收藏
页码：473 / 478
页数：6
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