Double diffusion convection in a rotating spherical shell

Details Double diffusion convection in a rotating spherical shell Double diffusion convection in a rotating spherical shell

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ppcn.conf..253k&link_type=abstract

In ESA, Fourth International Toki Conference on Plasma Physics and Controlled Nuclear Fusion p 253-254 (SEE N94-22624 05-75)

Physics

Plasma Physics

Dynamo Theory, Plasma Diffusion, Rotating Spheres, Spherical Shells, Buoyancy, Convective Flow, Free Convection, Rayleigh Number

Scientific paper

The nonlinear dynamics of double diffusion convection in a rotating spherical shell is investigated. The simulation is carried out for the purely thermal convection. The drifting columnar convection aligning the rotating axis appears. The double diffusion convection, where the compositional buoyancy works as well as the thermal buoyancy, is studied. It is found that the columns drift to the opposite direction of the thermal convection. The highly nonlinear property of the double diffusion convection is studied. It is revealed that the nonlinear convection is complex, and different from the prediction of the linear property.

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