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Particle control systems at the edge of RFP experiments

P Sonato, V Antoni, L Carraro, M Puiatti, G Serianni, P Scarin, M Spolaore, M Valisa, P Zaccaria2002年Plasma Physics and Controlled FusionIF 2.2出版社

Plasma performance in reversed field pinch (RFP) devices, as in the tokamak, is strongly affected by neutrals at the edge. So far only a few experiments have been dedicated to an active control of the neutral particle using conventional solutions of axisymmetric magnetic divertors or throat limiters. The alternative `vented pump limiter' concept is more attractive for an RFP experiment due to the edge plasma and confinement properties of this magnetic configuration.In this paper, the application of a vented pump limiter to an RFP is discussed and the prototype module of the vented pump limiter designed for the RFX experiment is presented.Finally, the optimization of this concept for a next step RFP device is presented.

日本語訳

逆転磁場ピンチ(RFP)装置におけるプラズマ性能は、トカマクと同様に、周辺部の中性粒子によって強く影響される。これまでのところ、軸対称磁気ダイバータやスロートリミッターといった従来の方式を用いた中性粒子の能動制御に特化した実験はわずかしか行われていない。代替案である「ベント式ポンプリミター」の概念は、この磁気配位の周辺プラズマおよび閉じ込め特性により、RFP実験にとってより魅力的である。本論文では、RFPへのベント式ポンプリミターの適用について議論し、RFX実験用に設計されたベント式ポンプリミターのプロトタイプモジュールを提示する。最後に、次世代RFP装置に向けたこの概念の最適化について提示する。

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Reversed field pinch
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