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): Confinement Analysis of Spherical Tokamak-Stellarator Hybrid Configurations著者名: Hidemasa Ozeki (Nagoya University), Kozo Yamazaki (Nagoya University), Hideki Arimoto (Nagoya University), Tetsutarou Oishi (Nagoya University), Tatsuo Shoji (Nagoya University), Mikhail Ivanivich Mikhailov (Russian Research Centre “Kurchatov Institute”)著者名(英語): Hidemasa Ozeki (Nagoya University), Kozo Yamazaki (Nagoya University), Hideki Arimoto (Nagoya University), Tetsutarou Oishi (Nagoya University), Tatsuo Shoji (Nagoya University), Mikhail Ivanivich Mikhailov (Russian Research Centre "Kurchatov Institute")キーワード: tokamak，stellarator，TOKASTAR，VMEC，low aspect ratio，equilibrium beta limit要約(英語): To reduce reactor construction cost and to get good economic efficiency, it is desired to find out innovative magnetic configurations with compactness and high capability of confining fusion plasmas. We proposed 6 types of the compact spherical tokamak-stellarator hybrid configurations called TOKASTAR, which consists of a few simple spherical or cylindrical coil systems. We carried out magnetic flux surface analysis and equilibrium analysis for them by computational simulation with HSD and VMEC codes to understand their features of confinement capability. As the result, we obtained the TOKASTAR configuration with low-aspect-ratio (average value =1.2∼3.1) and high ellipticity, which leads to high equilibrium beta limit. Their flux surfaces form deep well depth (∼50%) but the average rotational transform is relatively low (< 0.1).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: 530-534 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_530/_article/-char/ja/
