Influence of dust void on neon DC discharge

被引：32

作者：

Shumova, V. V. ^{[1
]}

Polyakov, D. N. ^{[1
]}

Vasilyak, L. M. ^{[1
]}

机构：

[1] Russian Acad Sci, Joint Inst High Temp, Izhorskaya 13,Bd 2, Moscow 125412, Russia

来源：

PLASMA SOURCES SCIENCE & TECHNOLOGY | 2017年 / 26卷 / 03期

关键词：

dusty plasmas; dust void; DC discharge; diffusion/drift model; plasma composition; GLOW-DISCHARGE; POSITIVE-COLUMN; PKE-NEFEDOV; PLASMA; PARTICLES; MICROGRAVITY; GASES; CLOUD;

D O I：

10.1088/1361-6595/aa56d2

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 diffusion/drift model of the positive column of glow discharge in neon with fine dust particles was used to study the role of a dust cloud with a void in the interaction between plasma and dust particles in the range of neon pressure and discharge current where dust particles may form structures with cavities. The results represent the nonlocal effect of void size on plasma composition, configuration of electric field and on distributions of plasma components in discharge with voids in dust structures. Simulations show that the electric field strength and the metastable atom concentration inside the void are higher than in the discharge without dust particles, while electron concentration may be either higher or lower.

引用

页数：7

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