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Spontaneous swirling in axisymmetric MHD flows of an ideally conducting fluid with closed streamlines

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

The region of instability of the Hill-Shafranov viscous MHD vortex with respect to azimuthal axisymmetric perturbations of the velocity field is determined numerically as a function of the Reynolds number and magnetization in a linear formulation. An approximate formulation of the linear stability problem for MHD flows with circular streamlines is considered. The further evolution of the perturbations in the supercritical region is studied using a nonlinear analog model (a simplified initial system of equations that takes into account some important properties of the basic equations). For this model, the secondary flows resulting from the instability are determined.

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Authors and Affiliations

  1. Lavrent’ev Institute of Hydrodynamics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090

    M. S. Kotel’nikova & B. A. Lugovtsov

Authors
  1. M. S. Kotel’nikova
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  2. B. A. Lugovtsov
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 48, No. 3, pp. 40–50, May–June, 2007.

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Kotel’nikova, M.S., Lugovtsov, B.A. Spontaneous swirling in axisymmetric MHD flows of an ideally conducting fluid with closed streamlines. J Appl Mech Tech Phys 48, 331–339 (2007). https://doi.org/10.1007/s10808-007-0042-7

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  • DOI: https://doi.org/10.1007/s10808-007-0042-7

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