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Models of laser plasma ablation. Part 4. Steadystate theory: collisional absorption flow

Published online by Cambridge University Press:  13 March 2009

G. J. Pert
G. J. Pert
Affiliation:
Departemnt of Physics, University of York, Heslington, York Y01 5DD, UK
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Abstract

The clarification of models of laser ablation by plasma heating is examined using a general dimensional argument and introducing a set of universal parameters. The regime of laser-plasma interaction in which collisional absorption and thermal conduction dominate is examined for spherical systems. Detailed scaling relations are derived for uninhibited and flux-limited thermal conduction. The complete set of regimes for steady spherical flow are examined, and it is found that the most important flows are thin collisional and thick local absorption.

Information

Type
Research Article
Information
Journal of Plasma Physics , Volume 49 , Issue 2 , April 1993 , pp. 295 - 316
Copyright
Copyright © Cambridge University Press 1993

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References

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