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高温材料处理:国际期刊
ESCI SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN 打印: 1093-3611
ISSN 在线: 1940-4360

高温材料处理:国际期刊

DOI: 10.1615/HighTempMatProc.2014010116
pages 275-296

SELECTED ISSUES OF THE MODELING OF AN ELECTRIC ARC IN SUBATMOSPHERIC PRESSURE GAS

Lech Borowik
Czestochowa University of Technology, Faculty of Electrical Engineering, al. Armii Krajowej 17, Czestochowa 42-200, Poland
Antoni Sawicki
Czestochowa University of Technology, Faculty of Electrical Engineering, al. Armii Krajowej 17, Czestochowa 42-200, Poland

ABSTRACT

General properties of an electric arc in subatmospheric pressure gas are discussed. Basic relationships between quantities describing thermal arc plasma are stated. The influence of subatmospheric pressure on selected arc characteristics is presented. Approximations of static and dynamic arc characteristics are given as functions of gas pressure and arc length. Mathematical models of an arc in subatmospheric pressure gas are given. Macromodels are created, and simulations of processes in arc circuits are performed by means of the MATLAB-Simulink software.


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