Numerical Modeling of 26Al-Induced Radioactive Melting of Asteroids Considering Accretion

Details Numerical Modeling of 26Al-Induced Radioactive Melting of Asteroids Considering Accretion Numerical Modeling of 26Al-Induced Radioactive Melting of Asteroids Considering Accretion

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002icar..159..183m&link_type=abstract

Icarus, Volume 159, Issue 1, p. 183-191.

Computer Science

31

Scientific paper

We have developed a computer code that solves numerically the 1D heat transport equation for small planetary bodies consisting of silicate material and heated by 26Al. At the same time the bodies' accretion (with a size from 1 km-or smaller-to several hundred kilometers) is taken into account as radial growth. We find that the consideration of accretion is inevitable as it affects the thermal evolution resulting from heating by radioisotopes. Significant changes in thermal behavior are shown to occur in comparison with calculations that assume instantaneous accretion.

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