Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975aiaa.meetq....k&link_type=abstract
American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting, 13th, Pasadena, Calif., Jan. 20-22, 1975, 8 p.
Astronomy and Astrophysics
Astronomy
Astronomical Models, Chemical Composition, Comet Nuclei, Comets, Thermal Conductivity, Agglomeration, Basalt, Ice, Meteoritic Composition, Temperature Effects, Water
Scientific paper
The thermal conductivity of two comet models is calculated. Both models assume the comets to be heterogeneous in composition. One model considers the comet to have a nucleus of water-ice mixed with basaltic and meteoritic material in the form of dust and agglomerated particles surrounded by a layer of water-frost. The second model assumes the frost and water-ice layers have sublimated, leaving a porous structure to some depth composed of solid basaltic and meteoritic material with residual gases. K values are calculated as a function of depth, density, temperature and porosity.
Khader M. S.
Kumar Narendra G.
Vachon R. I.
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