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): Assessment of Spherical Tokamak Reactors Comparing with Other Fusion Power Plants著者名: Kozo Yamazaki (Department of Energy Engineering and Science, Nagoya University), Tetsutarou Oishi (Department of Energy Engineering and Science, Nagoya University), Kanae Ban (Department of Energy Engineering and Science, Nagoya University), Takuya Kondo 著者名(英語): Kozo Yamazaki (Department of Energy Engineering and Science, Nagoya University), Tetsutarou Oishi (Department of Energy Engineering and Science, Nagoya University), Kanae Ban (Department of Energy Engineering and Science, Nagoya University), Takuya Kondo (Department of Energy Engineering and Science, Nagoya University), Hideki Arimoto (Department of Energy Engineering and Science, Nagoya University), Yoshio Nagayama (National Institute for Fusion Science)キーワード: fusion reactor，spherical tokamak，cost of electricity，CO2 emission，energy payback要約(英語): The 1-GWe D-T normal-conducting spherical tokamak (ST) reactor is designed using PEC (Physics-Engineering-Cost) system code, and is compared with conventional superconducting tokamak reactor (TR) and other fusion reactors. Especially two reference ST designs and one reference TR design are defined, and their design and environmental parameters are compared. It is found that the cost of electricity (COE), the life-cycle CO2 emission rate and the energy payback ratio (EPR) strongly depend on plasma aspect ratio in ST designs, in contrast to TR designs which are insensitive to plasma aspect ratio. The clarification of plasma beta and confinement improvement factor in ST plasmas is crucial for searching for optimized reactor designs.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: 526-529 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_526/_article/-char/ja/
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