Effect of rotation on ideal and resistive MHD modes

M. S. Chu; L. Chen; L. J. Zheng; C. Ren; A. Bondeson

doi:10.1088/0029-5515/39/11Y/361

Effect of rotation on ideal and resistive MHD modes

M. S. Chu, L. Chen, L. J. Zheng, C. Ren, A. Bondeson

Institute of Space and Plasma Sciences

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

Experimental observations suggest that toroidal plasma rotation can play a crucial role in determining the stability of a tokamak. Conventional MHD stability analysis ignores rotation. Results from analytic and numerical analysis of a number of tokamak stability issues including toroidal plasma rotation are reported. Depending on the plasma and rotation profiles, the net effect of rotation can be either stabilizing or destabilizing; it also has a substantial effect on the observed mode structure. Localized interchange, the double kink mode, low-n resistive MHD modes and the effect of sheared rotation on magnetic island structure are discussed.

Original language	English
Pages (from-to)	2107-2111
Number of pages	5
Journal	Nuclear Fusion
Volume	39
Issue number	Special Issu
DOIs	https://doi.org/10.1088/0029-5515/39/11Y/361
Publication status	Published - 1999

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Condensed Matter Physics

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10.1088/0029-5515/39/11Y/361

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AU - Chu, M. S.

AU - Chen, L.

AU - Zheng, L. J.

AU - Ren, C.

AU - Bondeson, A.

PY - 1999

Y1 - 1999

N2 - Experimental observations suggest that toroidal plasma rotation can play a crucial role in determining the stability of a tokamak. Conventional MHD stability analysis ignores rotation. Results from analytic and numerical analysis of a number of tokamak stability issues including toroidal plasma rotation are reported. Depending on the plasma and rotation profiles, the net effect of rotation can be either stabilizing or destabilizing; it also has a substantial effect on the observed mode structure. Localized interchange, the double kink mode, low-n resistive MHD modes and the effect of sheared rotation on magnetic island structure are discussed.

AB - Experimental observations suggest that toroidal plasma rotation can play a crucial role in determining the stability of a tokamak. Conventional MHD stability analysis ignores rotation. Results from analytic and numerical analysis of a number of tokamak stability issues including toroidal plasma rotation are reported. Depending on the plasma and rotation profiles, the net effect of rotation can be either stabilizing or destabilizing; it also has a substantial effect on the observed mode structure. Localized interchange, the double kink mode, low-n resistive MHD modes and the effect of sheared rotation on magnetic island structure are discussed.

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JO - Nuclear Fusion

JF - Nuclear Fusion

SN - 0029-5515

IS - Special Issu

ER -

Effect of rotation on ideal and resistive MHD modes

Abstract

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