Physics
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24.1467v&link_type=abstract
In Lunar and Planetary Inst., Twenty-Fourth Lunar and Planetary Science Conference. Part 3: N-Z p 1467-1468 (SEE N94-20636 05-91
Physics
Fractionation, Mathematical Models, Orgueil Meteorite, Planetary Evolution, Protoplanets, Thermodynamic Properties, Vapor Phases, Condensates, Evaporation, Heating, Meteoritic Composition, Planetary Nebulae
Scientific paper
Many physical processes in the solar nebula led to fractionation of the gaseous phase of the preplanetary material. Some of these processes are listed with corresponding type of fractionation in terms of Rock/Ice/Gas. Recondensation from fractionated gas phase yields different compositions of condensates. In some detail, one type of fractionation is considered: impact heating with evaporation and subsequent recondensation of material during intercollisions of planetesimals. For thermodynamical simulation of recondensation in such a process one needs (1) P-T parameters and (2) some initial source material to be heated, evaporated, and recondensed. These two problems are addressed.
Dorofeyeva V. A.
Makalkin A. B.
Vityazev Andrei V.
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