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Progress in Plasma Processing of Materials, 1999

ISBN:
1-56700-126-2 (Print)

NUMERICAL SIMULATION OF A CUTTING AIR PLASMA TORCH AND COMPARISON WITH SPECTROSCOPY MEASUREMENTS

A. Rodriguez-Yunta
Dpto. De Fisica Aplicada, Universidad de Cantabria, Av. Los Castros s/n, 39005 Santander, SPAIN

J. Gonzales Aguilar
Center for Energy and Processes, Ecole des Mines de Paris, Rue Claude Daunesse B.P.. 207, F-06904 Sophia-Antipolis Cedex, France ; Dpto. De Fisica Aplicada, Universidad de Cantabria, Av. Los Castros s/n, 39005 Santander, SPAIN

C. Pardo
Dpto. De Fisica Aplicada, Universidad de Cantabria, Av. Los Castros s/n, 39005 Santander, SPAIN

M. A. G. Calderon
Dpto. De Fisica Aplicada, Universidad de Cantabria, Av. Los Castros s/n, 39005 Santander, SPAIN

Abstract

This paper presents a comparison between theoretical and experimental studies in a cutting plasma torch. Calculations were made with a laminar compressible model with supersonic flows. By using visible spectroscopy we measured densities and temperatures from time integrated luminosities, that were corrected from the effect of plasma fluctuations.