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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN 印刷: 1093-3611
ISSN オンライン: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v12.i1-2.70
pages 79-90

TEMPERATURES IN AN ARGON-CO2 ARC PLASMA

Nuno Cerqueira
LASEP: Laboratoire d'Analyse Spectroscopique et d'Energétique des Plasmas, UPRES-EA 3269 Faculté des Sciences, Site de Bourges, Université d'Orléans, rue Gaston Berger, BP 4043, 18028 Bourges Cedex France
Karl Kesseng
LASEP: Laboratoire d'Analyse Spectroscopique et d'Energétique des Plasmas, UPRES-EA 3269 Faculté des Sciences, Site de Bourges, Université d'Orléans, rue Gaston Berger, BP 4043, 18028 Bourges Cedex France
Charles de Izarra
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

要約

We have used Mach-Zehnder interferometry to study the radial temperature profiles for an electric arc plasma between tungsten electrodes. The temperature profiles in atmospheric pressure arcs in argon and Ar-CO2 mixtures have been obtained at currents of 100 mA using Mach-Zehnder interferometry. The temperature is extracted from an interferogram via the phase shifting introduced by the refractive index of the studied medium. Temperatures within 300 K−3500 K were found depending upon plasma coordinates.


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