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Helical shell models for MHD turbulence

Abstract:
Based on the helical decomposition of both the magnetic and the velocity fields, a helical shell model for MHD turbulence is introduced. It is used to study the influence of the forcing helicity on the onset of dynamo. It is shown that the well-known GOY shell model is not well adapted for such a study and that additional interactions between the shell variables have to be taken into account.

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Lessinnes, T More by this author
Journal:
Magnetohydrodynamics
Issue:
2
Pages:
193-202
Publication date:
2009
ISSN:
0024-998X
URN:
uuid:1a68d0fd-0b6a-4fab-92a3-5d704e5f8ca0
Source identifiers:
367582
Local pid:
pubs:367582
Language:
English

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