Statistics – Computation
Scientific paper
Jul 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...330..142e&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 330, July 1, 1988, p. 142-167.
Statistics
Computation
95
Accretion Disks, Active Galactic Nuclei, Black Holes (Astronomy), Computational Astrophysics, Hydrodynamics, Radiative Transfer, Thomson Scattering, Angular Momentum, Radiation Pressure, Time Dependence, X Ray Sources
Scientific paper
The results of nonrelativistic radiation-hydrodynamic calculations of axisymmetric supercritical accretion disks around Newtonian quasi-black holes are reported. Anisotropic and isotropic constant kinematic viscosity models are used, with radiation transport described by a gray Thomson scattering opacity and flux-limited diffusion. The resulting solutions have four distinct zones: (1) centered on the disk midplane is a thick, dense region of turbulent convection; (2) above this is an accretion zone in which low angular momentum matter rapidly flows onto the black hole; (3) the accretion zone is bounded by a photocone, in which the matter becomes optically thin; (4) inside the photocone, surrounding the angular momentum axis, is a broad subrelativistic jet of expelled matter. Applications of these results to SS 433 and to extragalactic jets are discussed.
Coroniti Ferdinan V.
Eggum G. E.
Katz Jonathan I.
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