Self-consistent simulation of the initiation of the flashover discharge on vacuum insulator surface

被引：29

作者：

Cai, L. B. ^{[1
]}

Wang, J. G. ^{[1
,2
]}

Zhang, D. H. ^{[1
]}

Du, T. J. ^{[1
]}

Zhu, X. Q. ^{[1
]}

Wang, Y. ^{[1
]}

机构：

[1] NW Inst Nucl Technol, Xian 710024, Shaanxi, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Shaanxi, Peoples R China

来源：

PHYSICS OF PLASMAS | 2012年 / 19卷 / 07期

关键词：

MULTIPACTOR DISCHARGE; PARTICLE SIMULATION;

D O I：

10.1063/1.4737195

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：

A 2D particle-in-cell code, including the space charge effects of insulator surface charge, is established to simulate the initiation of insulator surface flashover. The simulation is started with a field electron emission, which provides the seed electrons of the surface flashover discharge. Then the secondary electron emission is caused by the seed electrons on the insulator surface, gets into an avalanche, and saturates rapidly in a region between the cathode and anode. And the saturation region spreads to the anode at a speed of similar to 10(7) m/s, which is coincident with the experiment measurement. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4737195]

引用

页数：5

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