MHD Stability of Free Boundary Toroidal Z Pinch

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概要

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• The Magnetohydrodynamic: (MHD) stability of a free bourtdary toroidal Z pinchplasma is investigated. Equilibrium field profiles are choscn so that 7t is nearlyuniform in the central region, p and dq /dr vanish on the b<cundary and Suydam'scriterion is satisfied throughout the plasma. The stability of tire equilibrium is examined for the ratio b of the conducting wall radius to the plasma radius and plasmapressure. The stability of non-resonant ideal modes is deterrrtined mainly from thesafty factor on the axis. Non-resonant modes are clominant fccr low plasma pressure,whereas resonant modes are dominant for high plasma pressutre. Tearung modes arestable only for b below 1.04. The width of the magnetic islax?ds produced from thetearing modes is evaluated. 7Vs b increases, overlap of the nnagnetic islands occursover a wide area in the plasrna.

• 社団法人日本物理学会の論文
• 1990-06-15

著者

• Sugisaki Kiwamu

  Electrotechnical Laboratory

関連論文

• Partially Relaxed States of Plasmas in Two Different Types of Devices
• Equilibrium Field Configuration and Field Fluctuations in ZP-2
• MHD Stability of Free Boundary Toroidal Z Pinch
• Enhancement of Toroidal Plasma Current by Plasmoid Injection
• Spontaneous Generation of Toroidal Field Flux and Establishment of Equilibrium Field Configuration in a Toroidal Z Pinch,ZP-2

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