Key to understanding supersonic radiative Marshak waves using simple models and advanced simulations

Avner P. Cohen, Guy Malamud, Shay I. Heizler

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

This paper studies the propagation of supersonic radiative Marshak waves. These waves are radiation dominated and play an important role in inertial confinement fusion and in astrophysical and laboratory systems. For that reason, this phenomenon has attracted considerable experimental attention in recent decades in several different facilities. The present study integrates the various experimental results published in the literature, demonstrating a common physical base. A new simple semianalytic model is derived and presented along with advanced radiative hydrodynamic implicit Monte Carlo direct numerical simulations, which explain the experimental results. This study identifies the main physical effects dominating the experiments, notwithstanding their different apparatuses and different physical regimes.

Original languageAmerican English
Article number023007
JournalPhysical Review Research
Volume2
Issue number2
DOIs
StatePublished - Apr 2020
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2020 authors. Published by the American Physical Society.

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