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Compatibility of pellet fuelling with ELM suppression by RMPs in the ASDEX Upgrade tokamak

M. Valovič, P.T. Lang, A. Kirk, W. Suttrop, A. Bock, P.J. McCarthy, M. Faitsch, B. Plöckl, the ASDEX Upgrade Team, the EUROfusion MST1 Team2020年被引用 5Nuclear FusionIF 3出版社

It is demonstrated that tokamak plasma can be fuelled by pellets while simultaneously maintaining ELM suppression by external resonant magnetic perturbations (RMPs). Pellets are injected vertically from high field site and deposited at outer part of plasma cross section. Each pellet triggers a benign MHD event followed by a short lived ELM-free phase. The ELM suppression phase with pellet fuelling lasts 11 pellet cycles and is terminated by intentionally increasing the pellet rate to cause a transition to the ELMy phase.

日本語訳

トカマクプラズマは、外部共鳴磁場摂動(RMP)によるELM抑制を維持しながら、ペレットによって燃料供給され得ることが実証された。ペレットは高磁場側から垂直に注入され、プラズマ断面の外側部分に堆積する。各ペレットは無害なMHD事象を引き起こし、その後に短時間のELMフリー位相が続く。ペレット燃料供給を伴うELM抑制位相は11ペレットサイクル持続し、ELMy位相への遷移を引き起こすためにペレット投入率を意図的に増加させることで終了した。

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asdex-upgrade高精度(タイトル一致)

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ASDEXEdge localized modeASDEX UpgradeFuelling
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