The screw dynamo in a thick torus | Zendy

Chupin A. | Zendy; Frick P. | Zendy; Stepanov R. | Zendy

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The screw dynamo in a thick torus

Author(s) -

Chupin A.,

Frick P.,

Stepanov R.

Publication year - 2011

Publication title -

astronomische nachrichten

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.394

H-Index - 63

eISSN - 1521-3994

pISSN - 0004-6337

DOI - 10.1002/asna.201011467

Subject(s) - torus , dynamo , physics , toroid , magnetic field , dynamo theory , cylinder , solar dynamo , mechanics , toroidal and poloidal , classical mechanics , geometry , mathematics , quantum mechanics , plasma

The problem of magnetic field generation under screw motion in a toroidal channel is studied numerically. The screw dynamo in the cylinder with periodical boundary conditions was found to be a suitable approximation for generation of the magnetic field by a screw flow in a thin torus. For the thick torus, a principally new solution of the screw dynamo problem was obtained. In this case the growing global magnetic field mode has the scale of a maximal geometrical size of the torus and does not vanish on the axis of the torus (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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