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Results have been presented which demonstrate that with a pair of close-fitting conducting plates, which leave a large gap at the outboard midplane, a high-beta equilibrium at conventional aspect ratio can be stabilized at a rotation speed reduced by a factor of over 3.5 compared to a fully surrounding, continuous and complete wall at the same separation. Results were also presented which show that low-aspect-ratio equilibria can be stabilized at significantly lower rotation speeds than at conventional aspect ratio. These 2 effects can perhaps be combined to enhance even further the effect of resistive wall stabilization at low aspect ratio.

Additional information

Authors: WARD D J, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH)
Bibliographic Reference: Article: Proceedings of the Joint Varenna-Lausanne International Workshop on 'Theory of Fusion Plasmas', Varenna (IT), August 26-30, 1996, pp. 357-362
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