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Progress in Plasma Processing of Materials, 1999

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

CONTRIBUTION TO THE OPTIMISATION OF ARC HEATER STABILISED BY FLOWING \VORKING GAS

J. Gregor
Faculty of Electrical Engineering and Communication, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic

I. Jakubova
Faculty of Electrical Engineering and Communication, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic

J. Kolarsky
DEPT. OF SPEC. ELECTRICAL ENGINEERING AND QUALITY FEEl TU Brno, Bozetechova 2, 612 66 Brno

J. Senk
Faculty of Electrical Engineering and Communication, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic

Abstract

The paper deals with the evaluation of the measurements on the experimental arc heater (plasmatron) designed for toxic ecologically harmful substances destruction. Its modular structure enables to change flexibly its configuration and operational conditions and to investigate their influence on main arc heater characteristics (arc voltage, efficiency) for various flow rates and for various working gases. Special interest was concentrated on the study of the influence of concentration of nitrogen in Ar + N2 mixture on plasmatron characteristics and energy loss distribution along the plasmatron.