C+O detonations in thermonuclear supernovae: Interaction with previously burned material

Abstract

In the context of explosion models for Type Ia Supernovae, we present one- and two-dimensional simulations of fully resolved detonation fronts in degenerate C+O White Dwarf matter including clumps of previously burned material. The ability of detonations to survive the passage through sheets of nuclear ashes is tested as a function of the width and composition of the ash region. We show that detonation fronts are quenched by microscopically thin obstacles with little sensitivity to the exact ash composition. Front-tracking models for detonations in macroscopic explosion simulations need to include this effect in order to predict the amount of unburned material in delayed detonation scenarios.

Publication
Astronomy & Astrophysics 451.1 (2006): 207-212
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Andreas Maier
Data Alchemist

My interests include machine learning, software development, physics and mathematics