3.炉内計測・観察システムの開発(<小特集>核融合炉用遠隔保守技術の開発)

概要

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An in-vessel viewing system is essential not only to detect and locate damage to the components exposed to plasma, but also to monitor and assist in-vessel maintenance operation. In ITER, the in-vessel viewing system must be capable of operating at a high temperature (200℃), with intense gamma radiation (30〜100kGy/h), under a high vacuum or I bar inert gas. A periscope-type viewing system has been chosen as a reference because of its wide, clear viewing capability and a fiberscope type viewing system as a backup for viewing in a narrow space. Both viewing systems, as well as a laser radar metrology system are currently being developed according to ITER R&D program, with consideration to such criteria as radiation hardness. This section describes the outline of design and technology development mainly of periscope type in-vessel viewing, as a Japan Home Team contribution.
社団法人プラズマ・核融合学会の論文
1997-01-25