On the acceleration of nuclear flame fronts in white dwarfs

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

The acceleration, due to Rayleigh-Taylor instability, of nuclear flame fronts in white dwarfs is examined. A simple model based on fractal geometry yields a general analytic formula for the dependence of the fractal dimension and effective flame speed with distance. This formula gives a physically based parameterization for the acceleration of the flame front and produces a smooth transition from a deflagration to a detonation. This result has relevance to Type Ia supernovae and accretion-induced collapse of white dwarf models.

Original languageEnglish (US)
Pages (from-to)L131-L134
JournalAstrophysical Journal
Volume423
Issue number2 PART 2
DOIs
StatePublished - Mar 10 1994
Externally publishedYes

Keywords

  • Hydrodynamics
  • Instabilities
  • Nuclear reactions, nucleosynthesis, abundances
  • Supernovae: general
  • White dwarfs

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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