Grains accretion processes in a protoplanetary nebula - Effects of the presence of liquid drops

Details Grains accretion processes in a protoplanetary nebula - Effects of the presence of liquid drops Grains accretion processes in a protoplanetary nebula - Effects of the presence of liquid drops

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978m%26p....18...65c&link_type=abstract

Moon and the Planets, vol. 18, Feb. 1978, p. 65-76.

Physics

2

Drops (Liquids), Iron, Nebulae, Planetary Evolution, Adhesion, Gravitational Collapse, Mass Distribution, Particle Collisions, Stellar Evolution, Turbulence Effects

Scientific paper

The temporal behavior of the mass distribution function of iron solid and/or liquid grains is studied in the inner regions of the solar nebula during its gravitational collapse. At distances from the center of the nebula equal to 0.2 AU, 0.5 AU and 0.7 AU a mass limit for the accretionary process equal, respectively, to 17.6 g, 5.2 g and 0.003 g is obtained in a reasonable time interval. The importance of a 'drop phase' during the growth of the particles and of the 'sedimentation' of the grains during the 'disk phase' is underlined.

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