Investigating the Flame Microstructure in Type Ia Supernovae

Details Investigating the Flame Microstructure in Type Ia Supernovae Investigating the Flame Microstructure in Type Ia Supernovae

2002-04-02

arxiv.org/abs/astro-ph/0204036v1

Astronomy and Astrophysics

Astrophysics

6 pages, 3 figures, to appear in Proc. 11th Workshop on Nuclear Astrophysics, Ringberg Castle, Germany, 2002

Scientific paper

We present a numerical model to study the behavior of thermonuclear flames in the discontinuity approximation. This model is applied to investigate the Landau-Darrieus instability under conditions found in Type Ia supernova explosions of Chandrasekhar mass white dwarfs. This is a first step to explore the flame microstructure in these events. The model reproduces Landau's linearized stability analysis in early stages of the flame evolution and the stabilization in a cellular flame structure in the nonlinear stage.

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