Marginal states of the resistive tearing mode with flow in cylindrical geometry

A. D. Wood, E. O'Riordan, N. Sweeney, Richard B. Paris

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    Abstract

    The linear stability of tearing modes in a cylindrical plasma subject to a sub-Alfvénic equilibrium shear flow along the equilibrium magnetic field is considered. The equations in the resistive boundary layer at the rational surface are solved numerically using a Fourier transform combined with a finite-element approach. The behaviour of the growth rate as a function of the flow and the various parameters (including a perpendicular fluid viscosity) is obtained. Marginal stability curves showing the dependence of the familiar matching parameter Δ' with flow and shear are also given.
    Original languageEnglish
    Pages (from-to)155-161
    Number of pages7
    JournalJournal of Plasma Physics
    Volume70
    Issue number2
    DOIs
    Publication statusPublished - 2004

    Keywords

    • Cylindrical geometries
    • Tearing modes
    • Plasma physics

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