Meridional circulation in optically thick accretion disks

Details Meridional circulation in optically thick accretion disks Meridional circulation in optically thick accretion disks

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...112l...1c&link_type=abstract

Astronomy and Astrophysics, vol. 112, no. 1, Aug. 1982, p. L1, L2.

Astronomy and Astrophysics

Astrophysics

4

Accretion Disks, Angular Momentum, Heat Transfer, Meridional Flow, Stellar Rotation, Thermodynamics, Hydrostatics, Optical Thickness, Stellar Models, Stellar Structure

Scientific paper

Thermal imbalances in stars due to rotation are known to drive mass motions in the meridional plane. A preliminary analytic investigation has been made of a similar effect in optically thick accretion disks using conventional thin-disk approximations. It is found that estimated circulation times can be as short as thermal timescales, resulting in rapid transport of heat and angular momentum. This indicates that the simple approximations commonly used are incomplete with regard to detailed, two-dimensional disk structure.

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