Shock Velocity Variations in Supernova Remnant Simulation Experiments

Details Shock Velocity Variations in Supernova Remnant Simulation Experiments Shock Velocity Variations in Supernova Remnant Simulation Experiments

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..dpp.f3s36d&link_type=abstract

American Physical Society, Division of Plasma Physics Meeting, November 16-20, 1998 New Orleans, LA, abstract #F3S.36

Physics

Plasma Physics

Scientific paper

We are studying the hydrodynamic behavior of a laboratory system that is a good scaled model of young supernova remnants. The hydrodynamic effects are driven by a supersonic flow, produced by the Nova laser. It does this by driving a strong shock, produced by x-ray ablation, out the back of a plastic slab. The ejecta expand, accelerate, cool, and then impact a low-density foam. There the ejecta stagnate and form a reverse shock while driving a strong shock forward through the foam. We observe this hydrodynamic assembly by x-ray radiography. The shock velocities in one case agree with those found by a computer simulation, while in another case they do not. We will report our investigation of this discrepancy. (Work supported by the US Department of Energy under LLNL LDRD-ER Grant No. 97-ERD-022 and by the University of Michigan.)

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