Self-excitation of a magnetic field by a pair of annular eddies

A. Gailitis - Ya. Freiberg

Institute of Physics, Latvian Academy of Sciences, Salaspils-1, LV-2169, Latvia

Abstract
The stationary excitation of a magnetic field in a system of two eddies having an axisymmetric velocity distribution is investigated in the case when the dimension of the eddy is commensu-rate with the dimensions of the overall system. The relative dimensions of the model which are optimal for self-excitation are found. It is established that fields both even and odd with respect to reflection in the symmetry plane are excited for vahles of Rm that are identical in modulus.