Kink instabilities in a high‐&bgr; tokamak with elliptic cross section
作者:
J. P. Freidberg,
F. A. Haas,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1974)
卷期:
Volume 17,
issue 2
页码: 440-446
ISSN:0031-9171
年代: 1974
DOI:10.1063/1.1694734
出版商: AIP
数据来源: AIP
摘要:
A toroidal, elliptic cross‐section, sharp‐boundary model of a high‐pressure tokamak with currents confined to the surface, is tested for stability against kink modes. It is shown that the optimum configuration corresponds to a vertical ellipse in which the ratio of the major to minor axes is 2.2. For this case, the maximum critical&bgr;for stability against kink modes is&bgr; = 0.37a/R.For&bgr; > 0.37a/Rthe model is unstable for all values of the safety factor above and below the Kruskal‐Shafranov limit.
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