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高温材料处理:国际期刊
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN 打印: 1093-3611
ISSN 在线: 1940-4360

高温材料处理:国际期刊

DOI: 10.1615/HighTempMatProc.v7.i1.10
10 pages

A STATISTICAL SURVEY TO THE FLUCTUATIONS OF ELECTRIC ARCS

Eric Moreau
LASEP, Faculte des Sciences, Université d'Orléans, rue Gaston Berger BP 4043, 18028 Bourges Cedex; Department of Fluids, Thermique et Combustion Institut PPRIME (CNRS UPR3346, Universite de Poitiers, ISAE-ENSMA) Bd Marie & Pierre Curie
Olivier Vallee
LASEP (Laboratoire d'Analyse Spectroscopique et d'Energetique des Plasmas), UFR-Faculte des Sciences, Antenne de BOURGES, Universite d'ORLEANS, rue Gaston Berger, BP 4043, 18028 BOURGES CEDEX, FRANCE

ABSTRACT

The purpose of the present paper is a first attempt to the modeling of electric arcs as an alternative method to numerical simulations. We base our approach on two aspects of statistical physics: random walk and Markovian processes. The first approach uses basic concepts of polymer physics to determine a typical length of an arc. The Markovian approach leads to consider an arc as the consequence of the charged particle trajectories composing the plasma, and then to determine an estimate of the arc radius. Correspondences between this statistical survey to fluctuations in electric arcs and the macroscopic studies are also evoked.


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