Turbulent Elasticity of the Solar Convective Zone and the Taylor Number Puzzle

Details Turbulent Elasticity of the Solar Convective Zone and the Taylor Number Puzzle Turbulent Elasticity of the Solar Convective Zone and the Taylor Number Puzzle

2006-02-23

arxiv.org/abs/astro-ph/0602502v1

Astronomy and Astrophysics

Astrophysics

Six pages, no figures, in Solar MHD: Theory and Observations, eds: J. W. Leibacher, H. Uitenbroek, & R. F. Stein, Astron. Soc.

Scientific paper

Previous work on the angular momentum balance and meridional circulation of the solar convective zone (SCZ) generally consists either of semi-analytic approaches in which a simple turbulence model is adopted, or full direct numerical simulation (DNS) of the hydrodynamics or magnetohydrodynamics (MHD). In both instances the inclusion of magnetic fields has been troublesome. Also, both approaches have had difficulty reproducing the known angular velocity profile of the SCZ; this is the Taylor Number Puzzle. I discuss preliminary work in which I incorporate magnetic fields into a viscoelastic turbulence model for the SCZ and apply this to the problem of meridional circulation and angular momentum balance. I suggest that such an approach may help solve the Taylor Number Puzzle of the SCZ and bring theoretical predictions for the large-scale motion of the SCZ in line with observations.

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