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Influence of ablation-to-critical surface distance upon Rayleigh–Taylor instability

Published online by Cambridge University Press:  09 March 2009

J. Sanz  and
A. Estevez
J. Sanz
Affiliation:
Escuela Técnica Superior de Ingenieros Aeronáuticos, Universidad Politécnica de Madrid, 28040-Madrid, Spain
A. Estevez
Affiliation:
Escuela Técnica Superior de Ingenieros Aeronáuticos, Universidad Politécnica de Madrid, 28040-Madrid, Spain
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Abstract

The Rayleigh—Taylor instability is studied by means of a slab model and when slab thickness D is comparable to the ablation-to-critical surface distance. Under these conditions the perturbations originating at the ablation front reach the critical surface, and in order to determine the instability growth rate, we must impose boundary conditions at the corona. Stabilization occurs for perturbation wave numbers such that kD ˜ 10.

Type
Research Article
Information
Laser and Particle Beams , Volume 9 , Issue 2 , June 1991 , pp. 273 - 281
Copyright
Copyright © Cambridge University Press 1991

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