Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...204..589d&link_type=abstract
Astrophysical Journal, vol. 204, Mar. 1, 1976, pt. 1, p. 589-596.
Astronomy and Astrophysics
Astrophysics
25
Adiabatic Conditions, Angular Velocity, Convective Flow, Radial Velocity, Solar Rotation, Angular Momentum, Buoyancy, Coriolis Effect, Equations Of Motion, Meridional Flow, Pressure Gradients, Stellar Models, Turbulent Flow
Scientific paper
If, in the absence of rotation, the sun's convection zone is adiabatic and if in the radial and latitudinal equations of motion the main balance of forces is among pressure gradients, Coriolis forces, and buoyancy forces (which is a good approximation if differential rotation is important over the entire convection zone and the large-scale velocities are not too large), then the perturbations in the convective flux and the pole-equator differences in flux are very large in the lower half of the convection zone, unless the angular velocity is constant along cylinders. The meridional velocities associated with this rotation law are not small, however, and could generate a significant flux difference. In this analysis, compressibility was taken into account, but the latitudinal and radial dependence of the stabilizing effect of rotation on turbulent convection was neglected.
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