The accretionary cooling model - A verification

Details The accretionary cooling model - A verification The accretionary cooling model - A verification

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..411g&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 411.

Mathematics

1

Asteroids, Cooling, Planetary Temperature, Finite Element Method, Heat Transfer, Mathematical Models, Temperature Distribution

Scientific paper

Accretionary cooling is the decrease in temperature of the asteroid due to the incorporation of cold material during accretion. Accretionary cooling can explain the existence of melted (4 Vesta) and unmelted (1 Ceres) asteroids at similar heliocentric distance. The finite element code used in Ghosh and McSween (1996) takes into account heat loss by diffusion, collisional energy, and radiogenic heat in each control volume of the asteroid. However, the process is counterintuitive; hence, a more comprehensive calculation is required. Here, a more detailed explanation of the concept is presented on the basis of observations from a finite element simulation as well as simpler spreadsheet calculations.

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