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Spatially localized magnetoconvection

Lo Jacono, David and Bergeon, Alain and Knobloch, Edgar Spatially localized magnetoconvection. (2012) Fluid Dynamics Research, 44 (3). ISSN 0169-5983

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Official URL: http://dx.doi.org/10.1088/0169-5983/44/3/031411

Abstract

Numerical continuation is used to compute branches of time-independent, spatially localized convectons in an imposed vertical magnetic field focusing on values of the Chandrasekhar number Q in the range 10 < Q < 103. The calculations reveal that convectons initially grow by nucleating additional cells on either side, but with the build-up of field outside owing to flux expulsion, the convectons are able to transport more heat only by expanding the constituent cells. Thus, at large Q and large Rayleigh numbers, convectons consist of a small number of broad cells.

Item Type:Article
Additional Information:Thanks to Institute of Physics editor. The definitive version is available at http://iopscience.iop.org The original PDF of the article can be found at Fluid Dynamics Research website : http://iopscience.iop.org/1873-7005/44/3/031411
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > University of California - UC Berkeley (USA)
Laboratory name:
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Deposited By: David LO JACONO
Deposited On:06 Jul 2012 08:22

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