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Progress in Plasma Processing of Materials, 1997

ISBN:
1-56700-093-2 (Print)

MODELING OF A PLASMA SPRAY SYSTEM

B. Dussoubs
Equipe "Plasma Laser Matériaux", ESA CNRS 6015, Université de Limoges, 123 Avenue Albert Thomas, 87060 Limoges - France

Armelle Vardelle
ENSIL, ESTER Technopole, 87068 Limoges - France

Pierre Fauchais
Laboratoire Sciences des Procedes Ceramiques et de Traitements de Surface UMR CNRS 6638 University of Limoges 123 avenue Albert Thomas, 87060 LIMOGES - France

Abstract

A numerical simulation of an argon-hydrogen plasma jet in cold air at atmospheric pressure has been performed. The mathematical model was based on the solution of a 3-dimensional form of the Navier-Stokes, energy and continuity equations for the gas phase, and the dynamics of particles in the flow. The standard k-ε turbulent model with the correction of Launder and Sharma for low Reynolds numbers was used in the investigation.