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Effects of toroidal plasma current on divertor power depositions on Wendelstein 7-X

Yu Gao, Joachim Geiger, Marcin W. Jakubowski, Peter Drewelow, Michael Endler, Kian Rahbarnia, Sergey Bozhenkov, Matthias Otte, Yasuhiro Suzuki, Yuhe Feng2019年被引用 28Nuclear FusionIF 3出版社

The paper presents experimental observations and simulations for the effects of toroidal plasma current on divertor power depositions on W7-X. With increasing toroidal current accompanying changes in the island geometry result in a sweep of the strike line and a redistribution of the heat flux footprints. Good agreement between experiments, which partly used electron cyclotron current drive to generate an additional toroidal current contribution, and modelling using field line tracing in vacuum magnetic fields including an ad-hoc toroidal current on the magnetic axis is found for both standard and low-iota magnetic configurations.

日本語訳

本論文は、W7-Xにおけるダイバータへの電力堆積に対するトロイダルプラズマ電流の影響に関する実験的観測とシミュレーションを示す。トロイダル電流の増加に伴うアイランド幾何学形状の変化により、ストライクラインの掃引と熱流束フットプリントの再分布が生じる。実験(一部は追加のトロイダル電流成分を生成するために電子サイクロトロン電流駆動を使用)と、磁気軸上のアドホックなトロイダル電流を含む真空磁場における磁力線追跡を用いたモデリングとの間で、標準および低イオタ磁気配位の両方について良好な一致が見られる。

装置

wendelstein-7x高精度(タイトル一致)

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DivertorWendelstein
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