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Ponderomotive pressure effects in laser driven high-temperature plasma flows

Published online by Cambridge University Press:  13 March 2009

J. L. Bobin
Affiliation:
Commissariat à 1'Energie Atomique, Centre d'Etudes do Limeil, B.P. No 27–94190 Villeneuve St Georges, France

Abstract

Gasdynamical equations taking radiation energy density and ponderomotive pressure into account are investigated. Conditions for these quantities to be important are stated: low absorption, reflexion at cut-off. The density ratio in a discontinuity is studied as a function of ponderomotive pressure, absorbed intensity and Mach number in the initial state. Chapman–Jouguet conditions are defined. Compressive (R type) flows and rarefaction (D type) appear. The structure of the latter is discussed including plasma effects.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1981

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