Two-dimensional stochastic motions and the problem of differential rotation

Details Two-dimensional stochastic motions and the problem of differential rotation Two-dimensional stochastic motions and the problem of differential rotation

Mar 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977soph...51..257r&link_type=abstract

Solar Physics, vol. 51, Mar. 1977, p. 257-269.

Physics

11

Gravity Waves, Solar Physics, Solar Rotation, Stochastic Processes, Turbulent Flow, Atmospheric Turbulence, Eddy Viscosity, Solar Granulation, Two Dimensional Flow

Scientific paper

An analytical approach is used to study the spatial dependence of the angular velocity in a rotating turbulent fluid sphere. Applying the results to the theory of differential rotation, the role of anisotropic eddy viscosity, negative eddy viscosity and inertia waves becomes clear. It is noted that the characteristic scales of supergranulation and giant cells suggest the presence of negative two-dimensional eddy viscosity on the sun.

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