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Helical equilibria and magnetic structures in the reversed field pinch and analogies to the tokamak and stellarator

M E Puiatti, A Alfier, F Auriemma, S Cappello, L Carraro, R Cavazzana, S Dal Bello, A Fassina, D F Escande, P Franz2009年Plasma Physics and Controlled FusionIF 2.2出版社

The reversed field pinch configuration is characterized by the presence of magnetic structures both in the core and at the edge: in the core, at high plasma current the spontaneous development of a helical structure is accompanied by the appearance of internal electron transport barriers; at the edge strong pressure gradients, identifying an edge transport barrier, are observed too, related to the position of the field reversal surface.The aim of this paper is the experimental characterization of both the internal and edge transport barriers in relation to the magnetic topology, discussing possible analogies and differences with other confinement schemes.

日本語訳

反転磁場ピンチ配位は、コアとエッジの両方における磁気構造の存在によって特徴づけられる。コアでは、高プラズマ電流において、ヘリカル構造の自発的発達が内部輸送障壁の出現を伴う。エッジでは、強い圧力勾配が観測され、これはエッジ輸送障壁を特定するものであり、磁場反転面の位置に関連している。本論文の目的は、磁気トポロジーとの関連における内部輸送障壁とエッジ輸送障壁の両方の実験的特徴づけを行い、他の閉じ込め方式との類似点と相違点について考察することである。

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StellaratorReversed field pinch
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