Low Mach Number Modeling of Convection in Helium Shells on Sub-Chandrasekhar White Dwarfs II: Bulk Properties of Simple Models
作者： John B. Bell , Michael Zingale , Andy Nonaka , Adam M. Jacobs , Ann S. Almgren
DOI: 10.3847/0004-637X/827/1/84
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摘要: Author(s): Jacobs, AM; Zingale, M; Nonaka, A; Almgren, AS; Bell, JB | Abstract: The dynamics of helium shell convection driven by nuclear burning establish the conditions for runaway in sub-Chandrasekhar-mass, double-detonation model SNe Ia, as well a variety other explosive phenomena. We explore these range white dwarf core and masses three dimensions using low Mach number hydrodynamics code MAESTRO. present calculations bulk properties this evolution, including time-series evolution global diagnostics, lateral averages 3D state, state. find outcomes, quasi-equilibrium, localized runaway, convective runaway. Our results suggest that progenitor is promising dynamic plays key role.
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