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Resonant magnetic perturbation experiments on MAST using external and internal coils for ELM control

A. Kirk, E. Nardon, R. Akers, M. Bécoulet, G. De Temmerman, B. Dudson, B. Hnat, Y.Q. Liu, R. Martin, P. Tamain2010年被引用 169Nuclear FusionIF 3出版社

Experiments have been performed on MAST using both external (n = 1, 2) and internal (n = 3) resonant magnetic perturbation (RMP) coils. ELM suppression has not been achieved even though vacuum modelling shows that either set of coils can produce a region (ΔΨpol > 0.17), for which the Chirikov parameter is greater than 1, wider than that correlated with ELM suppression in DIII-D. Although complete ELM suppression has not been achieved, application of RMPs has triggered ELMs in ELM free H-mode periods (n = 3) and increased the ELM frequency in regularly ELM-ing discharges (n = 2, 3). In addition, the application of RMPs in an n = 3 configuration has produced large changes to the edge turbulence in L-mode discharges.

日本語訳

MASTにおいて、外部(n = 1, 2)および内部(n = 3)の共鳴磁場摂動(RMP)コイルを用いて実験が行われた。真空モデリングにより、どちらのコイルセットも、Chirikovパラメータが1より大きい領域(ΔΨpol > 0.17)を、DIII-DにおけるELM抑制と相関する領域よりも広く生成できることが示されているにもかかわらず、ELM抑制は達成されていない。完全なELM抑制は達成されていないが、RMPの印加により、ELMを含まないHモード期間(n = 3)においてELMが誘発され、定期的にELMが発生する放電(n = 2, 3)ではELM周波数が増加した。さらに、n = 3配列でのRMPの印加は、Lモード放電における周辺乱流に大きな変化をもたらした。

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mast高精度(タイトル一致)diii-d中精度(概要文一致)

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Edge localized modeMagnetic perturbationResonant magnetic perturbationMASTELM control
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