Hydrodynamical simulations of detonations in superbursts.

Details Hydrodynamical simulations of detonations in superbursts. Hydrodynamical simulations of detonations in superbursts.

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1016..418n&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: The 10th International Symposium on Origin of Matter and Evolution of Galaxies: From

Computer Science

Sound

1

Explosive Burning In Accreting Binary Systems, Fission Reactors, Origin, Formation, And Abundances Of The Elements, Macrosonic Propagation, Finite Amplitude Sound, Shock Waves

Scientific paper

A new hydrodynamical algorithm to study astrophysical detonations is presented. A prime motivation of this development is the description of a carbon detonation in conditions relevant to superbursts, which are thought to result from the propagation of a detonation front around the surface of a neutron star in the carbon layer underlying the atmosphere. The one-dimensional calculations we have performed demonstrate that the carbon detonation at the surface of a neutron star is a multiscale phenomenon. We show that a multi-resolution approach can be used to solve all the reaction lengths. For mixed H/He accreting systems, we have introduced a new reduced network to study the impact of the photodesintegration of the heavy elements on the detonation.

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