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Development of new in-pile instrumentation at JMTR

JMTRにおける新規炉内計装の開発

柴田 晃; 木村 伸明; 谷本 政隆; 中村 仁一; 斎藤 隆; 土谷 邦彦

Shibata, Akira; Kimura, Nobuaki; Tanimoto, Masataka; Nakamura, Jinichi; Saito, Takashi; Tsuchiya, Kunihiko

JMTRの再稼働に向けて、技術的価値の高い照射データの取得及び原子炉の安全管理における信頼性の向上のために新規炉内計装を開発することが必要不可欠である。本発表では、腐食電位(ECP)センサー,新型水位計及びチェレンコフ光炉内観察システムの開発について発表する。

To improve the quality of irradiation tests data and to increase the reliability of safety management system of reactors including both MTR and LWR, development of new instrumentation is key issue. JAEA is developing several in-pile instrumentations to conduct irradiation tests at JMTR. Here we introduce three new instrumentations. These are ECP sensor, new water level indicator and in-reactor observation system using Cherenkov light.

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