The Condensation/Sublimation Front in the Solar Nebula

Details The Condensation/Sublimation Front in the Solar Nebula The Condensation/Sublimation Front in the Solar Nebula

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufm.p32a..01d&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #P32A-01

Physics

5704 Atmospheres: Composition And Chemistry, 6015 Dust, 6020 Ice

Scientific paper

The condensation/sublimation front in the early solar system is investigated using analytical solutions of the nebula evolution equations. One-dimensional theory shows that the front evolves from beyond 40 AU to its final position over a period of 10 Myrs. The physical process governing this movement is a combination of local viscous heating (early in the evolution) and luminescent heating from the central star (in the later stages). The one-dimensional analysis is extended to two-dimensions using a vertical structure model of the solar nebula. This model, using a code supplied by C. P. Dullemond, computes the radial and vertical temperature-density distribution using both viscous and radiative transfer heating processes. The two-dimensional water condensation/sublimation front is computed and contrasted with that predicted by one-dimensional theory.

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