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Three-Dimensional Simulations of Accretion Disks

Published online by Cambridge University Press:  12 April 2016

John F. Hawley  and
Steven A. Balbus
John F. Hawley
Affiliation:
Virginia Institute for Theoretical Astronomy, University of Virginia, Charlottesville, VA 22903
Steven A. Balbus
Affiliation:
Virginia Institute for Theoretical Astronomy, University of Virginia, Charlottesville, VA 22903

Abstract

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The transport of angular momentum is the central issue in accretion disk dynamics. We review recent three-dimensional simulations that investigate possible transport mechanisms. Purely hydrodynamic local instabilities and turbulence are ruled out; global spiral waves remain a possibility. MHD turbulence, arising from a local MHD instability, has been shown effective in transporting angular momentum at dynamically important rates. These results establish the basic picture of accretion disk transport.

Type
Part 5. Magnetic Fields and Viscosity
Information
International Astronomical Union Colloquium , Volume 163: Accretion Phenomena and Related Outflows , 1997 , pp. 179 - 189
Copyright
Copyright © Astronomical Society of the Pacific 1997

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