Suppression of the edge interchange instability in a straight tokamak

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/39201

Title:	Suppression of the edge interchange instability in a straight tokamak
Authors:	Chiueh,T
Contributors:	物理研究所
Keywords:	BALLOONING MODES;DIII-D;ROTATION;PLASMA
Date:	1996
Issue Date:	2010-07-08 14:08:06 (UTC+8)
Publisher:	中央大學
Abstract:	A shear-flow-ballooning transformation is used to demonstrate that the presence of a poloidal shear Bow can suppress the ballooning interchange instabilities in a high-beta straight tokamak. It is shown that, with the toroidicity ignored, complete suppression of these instabilities requires the coexistence of both finite poloidal Alfven velocity shear and flow shear, in such a way that the latter is greater than the former. The DIII-D parameters [Gohil et al., Phys. Rev. Lett. 61, 1603 (1988)] are used to compare the experimental results and the above prediction, and an agreement is found.
Relation:	PHYSICAL REVIEW E
Appears in Collections:	[Graduate Institute of Physics] journal & Dissertation

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