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An experimental and theoretical study of the absorption of arc plasma radiation by cold gas

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Published under licence by IOP Publishing Ltd
, , Citation M Bouaziz et al 1996 J. Phys. D: Appl. Phys. 29 2885 DOI 10.1088/0022-3727/29/11/023

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1 Centre de Physique des Plasmas et de leurs Applications de Toulouse, URA au CNRS 277, Université Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse Cedex, France

Dates

  1. Received 19 February 1996

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0022-3727/29/11/2885

Abstract

This study into radiative transfer in a arc plasma is devoted first to measure the relative absorption of the arc radiation by cold gas; second, to calculate this absorption; and third, to obtain a simplified expression for this absorption useful in arc modelling. In general, more than 50% of the radiation emitted by a arc is absorbed in the surrounding gas.

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10.1088/0022-3727/29/11/023