Physics – Fluid Dynamics
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983gapfd..25..213r&link_type=abstract
Geophysical and Astrophysical Fluid Dynamics (ISSN 0309-1929), vol. 25, no. 3, Aug. 1983, p. 213-233.
Physics
Fluid Dynamics
14
Coriolis Effect, Reynolds Stress, Stellar Rotation, Dynamo Theory, Isotropy, Solar Rotation, Turbulence, Turbulence Models
Scientific paper
Following the previous determination of those modes of the nondiffusive zonal momentum fluxes reproducing the sun's observed angular velocity and horizontal Reynolds stress profiles, attention is given to the influence of the Coriolis force on given turbulence models. Assuming that the basic rotation is either too slow or too rapid, in order to allow the nontrivial expansion of the fluxes, it is found that two fields yield the desired latitudinal profiles while giving different radial rotation laws. Turbulence with either a dominant horizontal or vertical intensity always yields equatorial acceleration as well as the observed horizontal Reynolds stresses, in respective connection with radial superrotation at values greater than zero and subrotation at values lower than zero.
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