Premium
Non‐Equilibrium Effects in He‐Ar‐H Arc Plasma
Author(s) -
Musielok J.
Publication year - 1977
Publication title -
beiträge aus der plasmaphysik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0005-8025
DOI - 10.1002/ctpp.19770170302
Subject(s) - plasma , spectrograph , thermodynamic equilibrium , argon , arc (geometry) , atomic physics , plasma diagnostics , spectral line , hydrogen , chemistry , physics , thermodynamics , nuclear physics , mathematics , geometry , astronomy , organic chemistry
Abstract A plasma composed by helium, argon, and hydrogen in a cascade arc of MAECKER‐SHUMAKER type was examined in this paper. The spectrum of the studied plasma was recorded on the spectral plates by means of a STE 1 spectrograph. A photographic spectrophotometry method was used to determine the intensity and profiles of selected HeI, ArI, ArII, and H lines. On the grounds of the experimental results a spectroscopic diagnostics of the studied plasma has been made using different methods. It was found that there are the non‐equilibrium effects in those plasmas. Observed diversions from the local thermodynamic equilibrium (LTE) could be explained on the grounds of the partial LTE model given by DRAWIN.