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- W2591904941 abstract "The problem of the linear stability of internal magnetohydrodynamic modes in a cylindrical plasma with a sheared longitudinal flow is addressed. A Newcomb-like equation describing the perturbation is derived and exactly solved for a class of analytic profiles for rotational transform, equilibrium flow and pressure. A dispersion relation for ideal modes is then derived and analysed for different limits of the poloidal mode number (viz. m = 1, and ). In the resistive case, a simple and exact expression for the tearing stability index is derived using the same class of equilibrium profiles. It is found that a small flow shear has a destabilising effect, while if the flow shear is dominant over the magnetic shear the tearing mode is stabilised. Implications on the stability of the m = 1 resistive mode are also discussed." @default.
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- W2591904941 date "2017-03-24" @default.
- W2591904941 modified "2023-09-28" @default.
- W2591904941 title "Ideal and resistive magnetohydrodynamic instabilities in cylindrical geometry with a sheared flow along the axis" @default.
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- W2591904941 doi "https://doi.org/10.1088/1361-6587/aa6423" @default.
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