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Analysis of an aspect ratio effect on the stability of external MHD modes in tokamaks with the Newcomb equation

Published online by Cambridge University Press:  20 December 2006

NOBUYUKI AIBA ,
SHINJI TOKUDA  and
TOMOKO ISHIZAWA
NOBUYUKI AIBA
Affiliation:
Naka Fusion Research Establishment, JAERI, Ibaraki 311-0193, Japan
SHINJI TOKUDA
Affiliation:
Center for Promotion of Computational Science and Engineering, JAERI, Tokyo 110-0015, Japan
TOMOKO ISHIZAWA
Affiliation:
Research Organization for Information Science and Technology, Ibaraki 319-1195, Japan
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Abstract

Stability analysis of external magnetohydrodynamic modes is carried out to investigate an effect of the aspect ratio on the achievable plasma pressure. The decrement of the aspect ratio improves the achievable plasma pressure and increases the toroidal mode number of the external mode restricting the pressure.

Type
Papers
Information
Journal of Plasma Physics , Volume 72 , Issue 6 , December 2006 , pp. 1127 - 1131
Copyright
2006 Cambridge University Press

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