- Conference date: 24−28 Apr 1995
- Location: Osaka, Japan
In exploding white dwarfs (Type Ia supernovae), a nuclear flame propagates at a subsonic speed. The flame speed is a crucial model parameter and depends on the development of flame instabilities. We study microscopic instabilities of flames with a self‐consistent linear stability analysis. In the dispersion relations thus obtained, the fastest branch can be interpreted as a thermal instability due to the strong temperature dependence of nuclear reaction rates. This instability grows faster than the hydrodynamic instabilities (e.g., Rayleigh‐Taylor instabilities). The implications on the flame propagation are also discussed.
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