A multi‐scale disk dynamo model

descriptionPublicationkeyboard_double_arrow_right Article 16 May 2006 English Publisher:WileyJournal:Astronomische Nachrichten, volume 327, pages 481-482 (issn: 0004-6337, eissn: 1521-3994,

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Authors: Stepanov, R.; Frick, P.; Sokoloff, D.;

doi: 10.1002/asna.200610564

A multi‐scale disk dynamo model

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Abstract

AbstractWe suggest to combine the mean‐field description of the galactic dynamo with a shell description of small‐scale turbulence for high values of hydrodynamic and magnetic Reynolds numbers. The model allows us to keep the balance of energy and realizes the kinematic and non‐linear regimes of the magnetic field generation. The suggested approach gives a possibility to study the role of magnetic helicity in the generation process. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Related Organizations

Lomonosov Moscow State University
Russian Federation
Institute of Continuous Media Mechanics
Russian Federation

Keywords

MHD, turbulence, Galactic and stellar structure, magnetic fields, Hydrodynamic and hydromagnetic problems in astronomy and astrophysics

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