Statistics – Computation
Scientific paper
Apr 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aps..apr8he030t&link_type=abstract
American Physical Society, 2008 APS April Meeting and HEDP/HEDLA Meeting, April 11-15, 2008, abstract #8HE.030
Statistics
Computation
Scientific paper
Radiation-driven blast waves (BWs) occur when the wave speed of an initially diffusive, supersonic radiation wave becomes subsonic and forms a radiographically-visible, hydrodynamic shock wave. BWs have been shown to be extremely energy sensitive, a fact we exploit as a calorimetry diagnostic. Experiments that use Sandia's Z-dynamic hohlraum as a quasi-Planckian radiation source often require accurate source energy measurements. We have used BWs as a principal diagnostic in experiments of hohlraum energy loss through diagnostic and entrance holes. We also intend to use BWs as a code validation technique for simulating the interaction between radiation-driven BWs sourced by a supernova with a companion star. We discuss experimental designs that use BWs as a diagnostic, and describe the computational and experimental uncertainties associated with BWs. This work was performed under the auspices of the Los Alamos National Laboratory for the U.S. Department of Energy.
Fryer Chris L.
Idzorek George C.
Peterson Lee D.
Peterson Robert R.
Tierney H. E.
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