Influence of turbulence on rising flux tubes in the solar convection zone

Details Influence of turbulence on rising flux tubes in the solar convection zone Influence of turbulence on rising flux tubes in the solar convection zone

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...239..326c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 239, no. 1-2, Nov. 1990, p. 326-334.

Astronomy and Astrophysics

Astrophysics

39

Magnetohydrodynamic Turbulence, Solar Flux, Solar Magnetic Field, Sunspots, Convection Cells, Dynamo Theory

Scientific paper

The role of turbulence in facilitating the flux tubes generated at low solar latitudes at the bottom of the convection zone to emerge at the typical sunspot latitudes is investigated. It is found that large scale turbulence on the scale of the giant cells cannot dominate the Coriolis force, since such domination would require either an unreasonably large updraft velocity in the giant cells or an unreasonably small flux tube radii. On the other hand, small-scale turbulence can suppress the Coriolis force by exchanging angular momentum between the flux tube and the surroundings, provided the flux tubes have radii smaller than a few hundred km.

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