Dynamics of polyphased circumstellar outflows

Details Dynamics of polyphased circumstellar outflows Dynamics of polyphased circumstellar outflows

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sf2a.conf..217l&link_type=abstract

Abstracts from SF2A-2001: Semaine de l'Astrophysique Francaise, meeting held in Lyon, France, May 28-June 1st, 2001, Eds.: F. Co

Astronomy and Astrophysics

Astrophysics

Scientific paper

The subject of this study is to determine the role and the influency of hypotheses concerning both dynamics and radiative transfer in the modelization of winds and mass loss of evolved stars, when the radiative force on dust grains plays a major role in the structuration of the circumstellar envelope of the star.Three self-consistent models coupling the grain and gas dynamics to the radiative transfer have been built. This study shew the necessity to take into account the drift velocity between the grains and the gas and the inertia of dust together with hydrodynamics/transfer coupling. When the medium is optically thick, an opaque zone is located at the base of the wind.

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