Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...215..213m&link_type=abstract
Astrophysical Journal, Part 1, vol. 215, July 1, 1977, p. 213-225.
Astronomy and Astrophysics
Astrophysics
282
Clouds, Evaporation, Interstellar Gas, Radiation Effects, Conductive Heat Transfer, Galactic Clusters, Intergalactic Media, Radii, Supernova Remnants
Scientific paper
The effects of radiation on the evaporation of spherical clouds in a hot medium are considered. The critical cloud radius at which radiative losses balance conductive heating is determined as a function of the external temperature and density. Smaller clouds evaporate, and larger clouds condense. The conditions under which the surfaces of the clouds may be detected are discussed. Net radiative losses for evaporating clouds are calculated, and an effective cooling function for a cloudy medium is obtained. The results may be applied to clouds in supernova remnants, in the interstellar medium, and in clusters of galaxies.
Cowie Lennox L.
McKee Christopher F.
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