Lewis Dursi
University of Chicago |
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| University of Chicago |
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Microphysics of Astrophysical Flames
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Type Ia supernovae are thought to begin with a deflagration phase, in which burning occurs as a subsonic flame, which accelerates and possibly undergoes a transition to a supersonic detonation. Both the acceleration and possible transition will depend on the microphysics of astrophysical flames, and their interaction with a turbulent flow in degenerate material. Here we present recent progress in studying the interactions of astrophysical flames and curvature and strain at the FLASH center; in particular, we discuss quantitative measurements of the effects of strain on burning rate of these flames, and their implications for instability growth and quenching.
L. J. Dursi, M. Zingale, A. Caceres, A. C. Calder, F. X. Timmes,
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