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Model calculations of the ionization relaxation and radiative cooling in unsteady krypton and xenon shock waves

Published online by Cambridge University Press:  20 April 2006

D. Krauss-Varban  and
F. Demmig
D. Krauss-Varban
Affiliation:
Institut für Plasmaphysik, Universität Hannover, Callinstraße 38, 3000 Hannover 1, West Germany
F. Demmig
Affiliation:
Institut für Plasmaphysik, Universität Hannover, Callinstraße 38, 3000 Hannover 1, West Germany
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Abstract

The ionization relaxation and radiative cooling of weakly unsteady shock waves in krypton and xenon is examined. We find that, besides radiation energy loss, the shock-tube boundary layers and shock attenuation strongly influence the radiative-cooling region. Calculations taking these effects into account are in excellent agreement with experimental values of electron densities. The contribution of line radiation to total radiation energy loss is obtained, and amounts to about 54% at temperatures of 10 000 K in krypton. For xenon, first comparisons indicate a similar result.

Information

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 149 , December 1984 , pp. 375 - 383
Copyright
© 1984 Cambridge University Press

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