QUEST Experiments Towards Steady State Operation of Spherical Tokamaks

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カテゴリ: 論文誌(論文単位)グループ名: 【A】基礎・材料・共通部門発行日: 2012/07/01タイトル(英語): QUEST Experiments Towards Steady State Operation of Spherical Tokamaks著者名: Kazuaki Hanada (AFRC, Kyushu University), Hid eki Zushi (AFRC, Kyushu University), Hiroshi Idei (AFRC, Kyushu University), Kazuo Nakamura (AFRC, Kyushu University), Masaki Ishiguro (IGSES, Kyushu University), Saya Tashima (IGSES, Kyushu University), Evgeni著者名(英語): Kazuaki Hanada (AFRC, Kyushu University), Hideki Zushi (AFRC, Kyushu University), Hiroshi Idei (AFRC, Kyushu University), Kazuo Nakamura (AFRC, Kyushu University), Masaki Ishiguro (IGSES, Kyushu University), Saya Tashima (IGSES, Kyushu University), Evgeniya Kalinnikova (IGSES, Kyushu University), Mizuki Sakamoto (Tsukuba University), Makoto Hasegawa (AFRC, Kyushu University), Akihide Fujisawa (AFRC, Kyushu University), Konosuke Sato (AFRC, Kyushu University), Naoaki Yoshida (AFRC, Kyushu University), Hideo Watanabe (AFRC, Kyushu University), Kazutoshi Tokunaga (AFRC, Kyushu University), Yoshihiko Nagashima (AFRC, Kyushu University), Aki Higashijima (AFRC, Kyushu University), Shoji Kawasaki (AFRC, Kyushu University), Hisatoshi Nakashima (AFRC, Kyushu University), Haiqing Liu (IGSES, Kyushu University), Osamu Mitarai (Tokai University), Takashi Maekawa (Kyoto University), Atsushi Fukuyama (Kyoto University), Yuichi Takase (University of Tokyo), Jinping Qian (ASIPP)キーワード: nuclear fusion，spherical tokamak，steady state operation，non-inductive current drive，divertor，hot wall要約(英語): Recent progress towards SSO of a spherical tokamak (ST) on QUEST is introduced. Zero-dimensional calculations of particle balance for QUEST experiment, refresh wall, and hot wall were performed showing that a SSO time of more than 1000s is required to obtain reliable results in regard to particle balance. Basic features of blobs were investigated in electron cyclotron resonance (ECR) heated plasmas. Formation and maintenance of a single-null divertor configuration was successfully obtained. Plasma duration in the divertor configuration was limited by out-gassing from a non-water-cooled first wall. Design studies for a hot wall are introduced.本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.132 No.7 （2012） 特集：The 16th International Workshop on Spherical Tori 2011本誌掲載ページ: 490-498 p原稿種別: 論文／英語電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/132/7/132_490/_article/-char/ja/ Show more