Buoyancy effects in spherical accretion

Details Buoyancy effects in spherical accretion Buoyancy effects in spherical accretion

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....89...48g&link_type=abstract

Astronomy and Astrophysics, vol. 89, no. 1-2, Sept. 1980, p. 48-56.

Computer Science

Sound

Atmospheric Circulation, Buoyancy, Convective Flow, Deposition, Dynamic Stability, Gravity Waves, Linear Equations, Adiabatic Conditions, Approximation, Boundary Value Problems, Radiative Transfer, Small Perturbation Flow, Sound Waves

Scientific paper

The paper considers effects of buoyancy on the linear stability problem for spherical accretion which may lead to gravity waves or convection. An adiabatic condition and a sound wave filtering approximation equations are investigated for small scale perturbations, a quasiadiabatic condition, and for the method of exchange of stabilities. It was found that gravity waves and convection are inhibited by spherical accretion motions, probably by advection of energy; convective disturbances tend to be advected to the inner boundary of the potentially unstable region.

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