A self-consistent model of mass and angular momentum transport in accretion disks

Details A self-consistent model of mass and angular momentum transport in accretion disks A self-consistent model of mass and angular momentum transport in accretion disks

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...347..435v&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 347, Dec. 1, 1989, p. 435-447.

Statistics

Computation

57

Accretion Disks, Angular Momentum, Computational Astrophysics, Internal Waves, Sound Waves, Stellar Mass Accretion, Astronomical Models, Energy Dissipation, Optical Thickness, Perturbation Theory, Viscosity, Wave Packets

Scientific paper

The nature of linear perturbations to a thin, shearing accretion disk composed of compressible material is reexamined. Modes that can carry angular momentum throughout the disk are identified, and it is shown how the subsequent dissipation of these waves through nonlinear processes can form the basis of a viscosity mechanism for realistic accretion disks. It is suggested that the impact of accreting material at the outer edge of the disk provides a natural source of excitation for waves that drive angular momentum transport within the disk.

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