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Author Murakami, M.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PLASMA PHYSICS AND FUSION ♦ LASER-PRODUCED PLASMA ♦ ABLATION ♦ LASER FUSION REACTORS ♦ LASER IMPLOSIONS ♦ PLASMA SIMULATION ♦ RAYLEIGH-TAYLOR INSTABILITY ♦ HOT PLASMA ♦ HEAT TRANSFER
Abstract Smoothing of perturbations in a steady-state ablative flow is studied with an analytical model, in which obviously invalid boundary conditions commonly used in previous analytical models are corrected. It turns out that, through the ablation layer, the momentum flux (hence pressure) perturbation smoothes down even more appreciably than ones in the previous models. On the contrary, the mass flux perturbation decays much less effectively than the momentum flux perturbation, and its dependency on the transverse wave number, {ital k}, can be roughly reproduced with the simple cloudy day model {proportional_to}exp({minus}{ital kD}) for {ital kD}{le}3 ({ital D} is the ablation layer thickness). It is shown that the smoothing effect is due to the interplay between the lateral fluid flow and heat conduction. {copyright} {ital 1996 American Institute of Physics.}
ISSN 1070664X
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-07-01
Publisher Place United States
Journal Physics of Plasmas
Volume Number 3
Issue Number 7


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