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The physics of large and small edge localized modes

W Suttrop2000年Plasma Physics and Controlled FusionIF 2.2出版社

The operational boundaries for the occurrence ofvarious types of edge localized mode (ELM) instabilityin high-confinement-mode (H-mode) fusion plasmas are reviewed.The phenomenology of ELMs and the occurrence of differentELM types in parameter space are described.Favourable ELM regimes are observed in various experimentswhich combine small ELM losses withhigh edge pressure and thereby allow for good H-mode confinementeven in situations where core confinement is strongly dependenton edge parameters.Recent progress of ELM models based on ideal or resistive MHDis described and their ability to describethe various ELM regimes discussed.

日本語訳

高閉じ込めモード(Hモード)核融合プラズマにおける種々の周辺局在モード(ELM)不安定性の発生境界について概説する。ELMの現象論と、パラメータ空間における異なるELMタイプの発生について述べる。種々の実験において、ELM損失が小さく、かつ高い周辺圧力を維持し、それによりコア閉じ込めが周辺パラメータに強く依存する状況でも良好なHモード閉じ込めを実現する、好ましいELM領域が観測されている。理想MHDおよび抵抗性MHDに基づくELMモデルの最近の進展と、それらのモデルが種々のELM領域を記述する能力について議論する。

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