Physics – Plasma Physics
Scientific paper
Nov 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aps..dpp.rp195r&link_type=abstract
American Physical Society, 41st Annual Meeting of the Division of Plasma Physics, November 15-19, 1999 Seattle, WA, abstract #RP
Physics
Plasma Physics
Scientific paper
Several astrophysically relevant experiments have recently been conducted on the Omega Laser at LLE. The experiments focused on two aspects of the core-collapse supernova explosion problem. In the first series of experiments, the hydrodynamic coupling between two spatially separated interfaces was studied. Three materials (Copper, CH, and a low-density foam) with approximate density ratios of 10:1:0.1 were used to simulate the radial density variation of a supernova. After the passage of a strong shock, an imposed perturbation at the first interface grows due to the Rayleigh-Taylor and Richtmyer-Meshkov instabilities. Perturbations are seeded at a second, initially planar interface by the arrival of the perturbed shock. A second series of experiments focused on the growth of an initially imposed 2D perturbation in a spherically divergent geometry. Results from initial Omega experiments are presented and discussed
Drake Paul R.
Hurricane Omar
Kane Jave O.
Knauer Jim
Remington Bruce A.
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