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A model for inhibition of thermal transport in laser produced plasmas†

Published online by Cambridge University Press:  09 March 2009

P. H. Y. Lee  and
O. Willi
P. H. Y. Lee
Affiliation:
Los Alamos National Laboratory, E526, Los Alamos, NM 87545, USA
O. Willi
Affiliation:
Los Alamos National Laboratory, E526, Los Alamos, NM 87545, USA
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Abstract

We show that the thermal transport in laser produced plasmas can be inhibited due to the outward plasma blow-off which is in the opposite direction to the inward heat transport. A simple model is proposed in which the steady state heat transfer equation, including the convective term for a point heat source, is solved. A simple analytical expression for the ratio of effective to classical conductivity depending on the blow-off velocity is obtained. With this model, present experimental data on thermal transport can be qualitatively, but consistently described.

Type
Research Article
Information
Laser and Particle Beams , Volume 3 , Issue 3 , August 1985 , pp. 263 - 271
Copyright
Copyright © Cambridge University Press 1985

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