Kinetic Numerical Simulation of the Cathode Attachment Zone of Constricted High-Current Vacuum Arcs

被引：14

作者：

Shmelev, Dmitry L. ^{[1
]}

Delachaux, Thierry ^{[2
]}

Schade, Ekkehard ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Electrophys, Ekaterinburg 620016, Russia

[2] ABB Switzerland Ltd, Corp Res, CH-5405 Dattwil, Switzerland

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2013年 / 41卷 / 02期

关键词：

Monte Carlo modeling; plasma sheath; stationary cathode spot; vacuum arc; REFRACTORY CATHODES; PARTICLE; MODEL; PLASMAS; DRIVEN;

D O I：

10.1109/TPS.2012.2234766

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：

This paper is devoted to numerical simulation of the cathode attachment zone of constricted high-current vacuum arcs driven by a transverse magnetic field. With help of particle-in-cell and direct simulation Monte Carlo methods, a 1-D model of the attachment zone was developed, and the stationary-cathode-spot mode was investigated. The states of the charged particles and atoms in the Knudsen layer, the ionization layer, and the plasma sheath are determined in detail. The results support the adaptation of simplified cathode attachment models to be able to reduce the computational effort needed for self-consistent numerical simulations of magnetically driven constricted high-current vacuum arcs.

引用

页码：384 / 390

页数：7

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