Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..94..177s&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 94, no. 1, July 1983, p. 177-189.
Astronomy and Astrophysics
Astrophysics
18
Condensing, Ice, Interstellar Matter, Cosmic Dust, Nucleation, Silicates
Scientific paper
Processes of heterogeneous condensation are investigated. The situation that vapor and solid grains of a material other than that of the vapor coexist and the saturation of the vapor increases with time is considered. If the contact angle of the condensate to the solid is at least 90 deg the condensate will be formed as mantles coating the solid grains but only a fraction of the solid grains will be coated by mantles. The ratio of core-mantle grains to bare solid grains in number will be smaller as the density of the vapor and the time scale of saturation increase are large. Actual calculations are made by adopting H2O ice as the mantle material and magnesium silicate as the core material.
Hasegawa Hidenao
Seki Junji
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