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Key issues in plasma–wall interactions for ITER: a European approach

V Philipps, J Roth, A Loarte2003年Plasma Physics and Controlled FusionIF 2.2出版社

The first burning fusion plasma experiment based on the tokamak principle, international tokamak experimental reactor (ITER) is now ready for construction. Based on the continuous progress of many years of fusion research, the design relies upon a large and robust set of experimental data. The focus of present day fusion research is therefore shifting towards the issues of ITER plasma operation and machine availability. The latter is governed mainly by plasma–wall interaction issues, in particular the lifetime of plasma-facing components and long-term tritium retention. To coordinate the research activities in this area a task force for plasma–wall interaction (EU-PWI-TF) has been initiated by the European fusion research programme under EFDA. This contribution describes the experimental database in these areas and outlines the task force strategy and further research that will be needed to address the critical issues.

日本語訳

トカマク原理に基づく最初の核融合燃焼プラズマ実験である国際熱核融合実験炉(ITER)は、現在建設の準備が整っている。長年にわたる核融合研究の継続的な進展に基づき、その設計は大規模かつ堅牢な実験データに依存している。現在の核融合研究の焦点は、したがって、ITERのプラズマ運転と装置の稼働率に関する課題へと移行しつつある。後者は主にプラズマ・壁相互作用の問題によって左右され、特にプラズマ対向機器の寿命と長期的なトリチウム保持が重要である。この分野の研究活動を調整するため、欧州核融合研究プログラムの下で、プラズマ・壁相互作用に関するタスクフォース(EU-PWI-TF)が発足した。本稿では、これらの分野における実験データベースを説明し、タスクフォースの戦略と、重大な課題に対処するために今後必要となるさらなる研究の概要を示す。

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