Radiative shock calculations in various media

Details Radiative shock calculations in various media Radiative shock calculations in various media

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002sf2a.conf..543m&link_type=abstract

SF2A-2002: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 24-29, 2002, Eds.: F. Combes and D. Barret,

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We are modeling shocks with structures governed by their radiative precursor. At this point, we are assuming a geometrically-plan shock in an ionized gas, which behaves differently than in a perfect gas. The ionization structure and the excitation energy are calculated from the local temperatures and densities, using hydrogen-like model atoms. This approach can thus be applied to heavy elements like Xenon, which is used in the experiment of astrophysical radiative shocks with the laser of the LULI, at the Ecole Polytechnique (France). After studying in details the shocks in Xenon, we now calculate the atomic data for multiple chemical elements as Hydrogen, Helium, Carbon which are everywhere in astrophysical objects, and as Argon, Krypton which are monoatomic gases. We thus investigate the jump conditions in different media and we will try to propose a phenomenological description of the radiative shocks in the stellar objects and their envelopes.

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