Redistribution of angular momentum by nonaxisymmetric instabilities in a thick accretion disk

Details Redistribution of angular momentum by nonaxisymmetric instabilities in a thick accretion disk Redistribution of angular momentum by nonaxisymmetric instabilities in a thick accretion disk

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...308..123z&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 308, Sept. 1, 1986, p. 123-133. SNSF-supported research.

Astronomy and Astrophysics

Astronomy

67

Accretion Disks, Angular Momentum, Astronomical Models, Black Holes (Astronomy), Stellar Mass Accretion, Active Galactic Nuclei, Computerized Simulation, Hydrodynamics, Quasars, Radio Jets (Astronomy)

Scientific paper

The three-dimensional evolution of thick accretion tori is investigated theoretically by means of numerical simulations based on the smooth-particle hydrodynamics code of Lucy (1977) and Gingold and Monaghan (1977). The implications of the results for AGN and other astrophysical sources with jets are considered. Isentropic pressure-supported tori at constant specific angular momentum are shown to undergo nonaxisymmetric instabilities, with shifts in specific angular momentum on short dynamic time scales.

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