期刊
ASTRONOMY & ASTROPHYSICS
卷 451, 期 1, 页码 207-212出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20054094
关键词
stars : supernovae : general; hydrodynamics; methods : numerical
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.
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