LARGE-SCALE MAGNETIC AND VORTEX STRUCTURES IN A TURBULENT MEDIUM

The survey covers a main achievements in the field of dynamo theory. Applications of the model of turbulent convective dynamo to the problem of generation of a large-scale vortexes and magnetic structures in the solar photosphere are discussed. Investigated are the new models of the vortex dynamo in...

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Bibliographic Details
Published inEast European journal of physics Vol. 3; no. 1; pp. 4 - 22
Main Authors Yanovsky, V. V., Tur, A. V., Kopp, M. I.
Format Journal Article
LanguageEnglish
Published V.N. Karazin Kharkiv National University Publishing 23.04.2016
Subjects
Coriolis force
dynamo theory
kinks
large-scale convective instability
multiscale asymptotic expansions
solitons
α - effect
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Summary:The survey covers a main achievements in the field of dynamo theory. Applications of the model of turbulent convective dynamo to the problem of generation of a large-scale vortexes and magnetic structures in the solar photosphere are discussed. Investigated are the new models of the vortex dynamo in a rotating fluid with small-scale external force. The main results in these models are obtained by the method of multiscale asymptotic expansions. The results of numerical analysis of nonlinear equations of a magnetovortex dynamo in a stationary mode are provided. Solutions are found in the form of spiral kinks, periodic nonlinear waves and solitons, which are also considered in the survey.
ISSN:2312-4334
2312-4539
DOI:10.26565/2312-4334-2016-1-01