AAS 196th Meeting, June 2000
Session 39. Gamma Ray Bursters: Supernovae and Their Remnants
Display, Wednesday, June 7, 2000, 10:00am-7:00pm, Empire Hall South

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[39.02] The Cellular Structure of Carbon Detonations

B. Fryxell, F.X. Timmes, M. Zingale, L.J. Dursi, P. Ricker (University of Chicago), K. Olson (University of Chicago, NASA/GSFC), A.C. Calder, H. Tufo (University of Chicago), P. MacNeice (NASA/GSFC), J.W. Truran, R. Rosner (University of Chicago)

We compare two and three-dimensional simulations of the cellular structure of carbon detonations. The initial density of the carbon is taken to be 107 g cm-3. This value has been suggested as the density at which a deflagration to detonation transition may occur in Type Ia supernovae. An initial planar detonation front becomes unstable and develops a complex structure due to the generation of transverse waves. Differences in the amount of asymmetry between the 2D and 3D cases, as well as the relative sizes of individual cells will be discussed.

This work was supported in part by the Department of Energy Grant No. B341495 to the Center for Astrophysical Thermonuclear Flashes at the University of Chicago under the ASCI Strategic Alliances Program.

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