The Physics of Flames in Type Ia Supernovae
Astrophysics
2009-11-13 v1
Abstract
We extend a low Mach number hydrodynamics method developed for terrestrial combustion, to the study of thermonuclear flames in Type Ia supernovae. We discuss the differences between 2-D and 3-D Rayleigh-Taylor unstable flame simulations, and give detailed diagnostics on the turbulence, showing that the kinetic energy power spectrum obeys Bolgiano-Obukhov statistics in 2-D, but Kolmogorov statistics in 3-D. Preliminary results from 3-D reacting bubble calculations are shown, and their implications for ignition are discussed.
Keywords
Cite
@article{arxiv.astro-ph/0507040,
title = {The Physics of Flames in Type Ia Supernovae},
author = {M. Zingale and S. E. Woosley and J. B. Bell and M. S. Day and C. A. Rendleman},
journal= {arXiv preprint arXiv:astro-ph/0507040},
year = {2009}
}
Comments
To appear in the Proceedings of the SciDAC 2005 meeting, IOP press (http://www.iop.org). Some figures degraded in quality to conserve space