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Development of the JSFR fuel handling system and mockup experiments of fuel handling machine in abnormal conditions

JSFRの燃料交換機の異常時対応試験

加藤 篤志; 平田 慎吾; 近澤 佳隆; 宇都 成昭; 小幡 宏幸*; 小竹 庄司*; 鵜澤 将行*

Kato, Atsushi; Hirata, Shingo; Chikazawa, Yoshitaka; Uto, Nariaki; Obata, Hiroyuki*; Kotake, Shoji*; Uzawa, Masayuki*

JSFRに採用する燃料交換機の異常時の対応性を把握するため、実規模モックアップを用いた試験を実施した。

In the JSFR design, a single rotating plug and an upper inner structure (UIS) with a vertically penetrating slit are proposed, so that the fuel handling machine (FHM) can access any subassembly by horizontal movement of the FHM arm in the slit space. As a result of a full-scale mockup test, excellent performance in normal operation has been shown. In this study, from the viewpoint of achieving reliability of the pantograph type FHM, behavior of the FHM mockup have been investigated under abnormal conditions.

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