Effects of Initial Conditions on Compressible Mixing in Supernova-Relevant Laboratory Experiments

Details Effects of Initial Conditions on Compressible Mixing in Supernova-Relevant Laboratory Experiments Effects of Initial Conditions on Compressible Mixing in Supernova-Relevant Laboratory Experiments

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ap%26ss.298...17m&link_type=abstract

Astrophysics and Space Science, Volume 298, Issue 1-2, pp. 17-24

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

In core-collapse supernovae, strong blast waves drive interfaces susceptible to Rayleigh Taylor (RT), Richtmyer Meshkov (RM), and Kelvin Helmholtz (KH) instabilities. In addition, perturbation growth can result from material expansion in large-scale velocity gradients behind the shock front. Laser-driven experiments are designed to produce a strongly shocked interface whose evolution is a scaled version of the unstable hydrogen helium interface in core-collapse supernovae such as SN 1987A. The ultimate goal of this research is to develop an understanding of the effect of hydrodynamic instabilities and the resulting transition to turbulence on supernovae observables that remain as yet unexplained.

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