Blast-wave-sphere interaction using a laser-produced plasma: An experiment motivated by supernova 1987A

Details Blast-wave-sphere interaction using a laser-produced plasma: An experiment motivated by supernova 1987A Blast-wave-sphere interaction using a laser-produced plasma: An experiment motivated by supernova 1987A

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001phrve..64d7402k&link_type=abstract

Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), Volume 64, Issue 4, October 2001, p.047402

Physics

12

Shock Waves And Discontinuities, Plasma Production And Heating By Laser Beams, Laboratory Studies Of Space- And Astrophysical-Plasma Processes

Scientific paper

We present x-ray shadowgraphs from a high Mach number (~20) laboratory environment that simulate outward flowing ejecta matter from supernovae that interact with ambient cloud matter. Using a laser-plastic foil interaction, we generate a ``complex'' blast wave (a supersonic flow containing forward and reverse shock waves and a contact discontinuity between them) that interacts with a high-density (100 times ambient) sphere. The experimental results, including vorticity localization, compare favorably with two-dimensional axisymmetric hydrodynamic simulations.

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