On the local stability of accretion disks

Details On the local stability of accretion disks On the local stability of accretion disks

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...256..673d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 256, no. 2, p. 673-678.

Statistics

Computation

17

Accretion Disks, Compressible Flow, Couette Flow, Viscous Flow, Computational Fluid Dynamics, Rotating Fluids, Turbulence Effects

Scientific paper

The local stability of accretion disks is investigated through the study of an unbounded rotating compressible viscous plane Couette flow. Bulk viscosity is included. Such a flow is shown to be stable against all small amplitude disturbances. The implication of this result for the origin of the assumed turbulent viscosity is explored. In particular, the possible role of finite amplitude perturbations in the onset of turbulence is stressed.

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