Dynamics of convection and dynamos in rotating spherical fluid shells

by: E Grote, FH Busse

Fluid Dynamics Research, Vol. 28, No. 5. (May 2001), pp. 349-368.

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Abstract

Numerical simulations of thermal convection in rapidly rotating spherical fluid shells have been carried out with and without magnetic fields generated by the dynamo process. Relaxation oscillations and localized convection activity represent coherent phenomena of turbulent convection in the absence of magnetic fields. In the presence of the latter, the coherent structures are destroyed and the heat transport is enhanced. With increasing Rayleigh number the magnetic energy tends to saturate and the magnetic field assumes an increasingly filamentary structure.

@article{citeulike:2794613, abstract = {Numerical simulations of thermal convection in rapidly rotating spherical fluid shells have been carried out with and without magnetic fields generated by the dynamo process. Relaxation oscillations and localized convection activity represent coherent phenomena of turbulent convection in the absence of magnetic fields. In the presence of the latter, the coherent structures are destroyed and the heat transport is enhanced. With increasing Rayleigh number the magnetic energy tends to saturate and the magnetic field assumes an increasingly filamentary structure.}, author = {Grote, E. and Busse, F. H. }, citeulike-article-id = {2794613}, doi = {10.1016/S0169-5983(01)00004-1}, journal = {Fluid Dynamics Research}, keywords = {dynamo}, month = {May}, number = {5}, pages = {349--368}, posted-at = {2008-05-13 12:23:09}, priority = {2}, title = {Dynamics of convection and dynamos in rotating spherical fluid shells}, url = {http://dx.doi.org/10.1016/S0169-5983(01)00004-1}, volume = {28}, year = {2001} }

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TY - JOUR ID - citeulike:2794613 L3 - citeulike-article-id:2794613 TI - Dynamics of convection and dynamos in rotating spherical fluid shells JF - Fluid Dynamics Research VL - 28 IS - 5 SP - 349 EP - 368 N2 - Numerical simulations of thermal convection in rapidly rotating spherical fluid shells have been carried out with and without magnetic fields generated by the dynamo process. Relaxation oscillations and localized convection activity represent coherent phenomena of turbulent convection in the absence of magnetic fields. In the presence of the latter, the coherent structures are destroyed and the heat transport is enhanced. With increasing Rayleigh number the magnetic energy tends to saturate and the magnetic field assumes an increasingly filamentary structure. KW - dynamo AU - Grote, E AU - Busse, FH PY - 2001/05// UR - http://dx.doi.org/10.1016/S0169-5983(01)00004-1 ER -

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