Radiation-hydrodynamic calculation of sub-Eddington accretion disks

Details Radiation-hydrodynamic calculation of sub-Eddington accretion disks Radiation-hydrodynamic calculation of sub-Eddington accretion disks

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...323..634e&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 323, Dec. 15, 1987, p. 634-646.

Astronomy and Astrophysics

Astronomy

32

Accretion Disks, Black Holes (Astronomy), Galactic Radiation, Hydrodynamic Equations, Astronomical Models, Finite Difference Theory, Gravitational Collapse, Steady State

Scientific paper

The authors report the results of self-consistent, azimuthally symmetric, radiation-hydrodynamic calculations of subcritical accretion disks about a Newtonian pseudo-black hole. Energy generation is described by a kinematic viscosity law and a modified α-disk model. A disk with constant kinematic viscosity settles to a nearly steady stae which approximates a thin disk solution. Its unstable vertical distribution of entropy leads to mild subsonic correction. The α-disk is unstable, as expected, and collapses to a thin cold sheet with low accretion rate and low luminosity.

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