Home Books eBooks Journals References & Proceedings Authors, Editors, Reviewers A-Z Product Index Awards
Progress in Plasma Processing of Materials, 1999

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

ELECTRICAL CONDUCTIVITY AND NET EMISSION COEFFICIENT OF THERMAL PLASMAS CONTAINING C, H, O AND N SPECIES

Alain Gleizes
Centre de Physique des Plasmas et de leurs Applications de Toulouse (CPAT) UMR n° 5002 − Université Paul Sabatier, 118 Route de Narbonne F31062 Toulouse Cedex 4 - France

A. Trusca
Centre de Physique des Plasmas et de leurs Applications de Toulouse - ESA CNRS 5002 Universite Paul Sabatier - 118 route de Narbonne - F31062 Toulouse cedex 4 - France

H. Riad
Centre de Physique des Plasmas et de leurs Applications de Toulouse - ESA CNRS 5002 Universite Paul Sabatier - 118 route de Narbonne - F31062 Toulouse cedex 4 - France

Abstract

For two kinds of insulating vapours (PMMA (C5H802) and PA6-6 (C6H11ON)), we have calculated the equilibrium composition, the electrical conductivity and the net emission of radiation, in thermal plasma conditions: pressure between .1 and .8 MPa; temperature between 2000 and 10000 K for the electrical conductivity and higher than 5000 K for the radiation. The results emphasise the role of carbon species on the electrical conductivity at low temperature and on the net emission for all the temperature range. The differences between the properties of both vapours remain weak.