Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011an....332...11c&link_type=abstract
Astronomische Nachrichten, Vol.332, Issue 1, p.11
Astronomy and Astrophysics
Astronomy
1
Magnetic Fields, Magnetohydrodynamics (Mhd), Methods: Numerical
Scientific paper
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.
Chupin A.
Frick Peter
Stepanov Rodion
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