Nova experiments on hydrodynamics and instabilities in the solid state*

Details Nova experiments on hydrodynamics and instabilities in the solid state* Nova experiments on hydrodynamics and instabilities in the solid state*

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aps..dpp..1e12r&link_type=abstract

American Physical Society, Division of Plasma Physics Meeting, November 10-15, 1996, abstract #1E.12

Physics

Plasma Physics

Scientific paper

We have started experiments on the Nova laser to investigate the evolution of hydrodynamic instabilities, such as the Richtmyer- Meshkov and Rayleigh-Taylor (RT) instabilities, in samples maintained in the solid state. The RT dispersion curve is predicted to be very sensitive to the state of the material, with perturbation growth greatly reduced in the solid-state plastic flow regime, compared to the liquid state,^1 but data are sparse.^2 We will present initial results from experiments done on Nova focused on characterizing the state of samples of single-crystal Si as it gets compressed, while remaining in the solid state. We will also describe our experimental design for measuring the RT dispersion curve for solid-state foils such as Cu, and present initial results if available. *Work performed under the auspices of the U.S. Department of Energy by the Lawrence Livemore National Laboratory under Contract W-7405-ENG-48 ^1J.W. Swegle and A.C. Robinson, J. Appl. Phys. 66, 2838 (1989). ^2J.F. Barnes et al., J. Appl. Phys. 45, 727 (1974).

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