MHD stable regime of the Tokamak

C. Z. Cheng; H. P. Furth; A. H. Boozer

doi:10.1088/0741-3335/29/3/006

MHD stable regime of the Tokamak

C. Z. Cheng, H. P. Furth, A. H. Boozer

Institute of Space and Plasma Sciences

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

42 Citations (Scopus)

Abstract

A broad family of Tokamak current profiles is found to be stable against ideal and resistive MHD king modes for 1<or=q(0), with q(a) as low as 2. For 0.5<or=q(0)<1 and q(a)>1, current profiles can be found that are unstable only to the m=1, n=1 mode. A specific 'optimal' Tokamak profile can be selected from the range of stable solutions, by imposing a common upper limit on dj/dr-corresponding in ohmic equilibrium to a limitation of dT₃/dr by anomalous transport.

Original language	English
Article number	006
Pages (from-to)	351-366
Number of pages	16
Journal	Plasma Physics and Controlled Fusion
Volume	29
Issue number	3
DOIs	https://doi.org/10.1088/0741-3335/29/3/006
Publication status	Published - 1987

All Science Journal Classification (ASJC) codes

Nuclear Energy and Engineering
Condensed Matter Physics

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abstract = "A broad family of Tokamak current profiles is found to be stable against ideal and resistive MHD king modes for 11, current profiles can be found that are unstable only to the m=1, n=1 mode. A specific 'optimal' Tokamak profile can be selected from the range of stable solutions, by imposing a common upper limit on dj/dr-corresponding in ohmic equilibrium to a limitation of dT3/dr by anomalous transport.",

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AB - A broad family of Tokamak current profiles is found to be stable against ideal and resistive MHD king modes for 11, current profiles can be found that are unstable only to the m=1, n=1 mode. A specific 'optimal' Tokamak profile can be selected from the range of stable solutions, by imposing a common upper limit on dj/dr-corresponding in ohmic equilibrium to a limitation of dT3/dr by anomalous transport.

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MHD stable regime of the Tokamak

Abstract

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