高速実験炉「常陽」の核計装設備と放射線計測入門

Material type: 文書・図像類

Author: 大戸敏弘ほか

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Publication date: 1992-04

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Note (General)：: This report introduces the nuclear instrumentation system and major R\&D (research and development) activities using radiation measurement techniques ...

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Summary, etc.：: This report introduces the nuclear instrumentation system and major R\&D (research and development) activities using radiation measurement techniques ...

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Material Type: 文書・図像類
Title: 高速実験炉「常陽」の核計装設備と放射線計測入門
Author/Editor: 大戸敏弘
鈴木惣十
Author Heading: 大戸敏弘
鈴木惣十
Publication Date: 1992-04
Publication Date (W3CDTF): 1992-04
Alternative Title: Introduction of Nuclear Instrumentations and Radiation Measurements in Experimental Fast Reactor 「JOYO」
Periodical title: PNC TN9420 92-005
Text Language Code: eng
Target Audience: 一般
Note (General): This report introduces the nuclear instrumentation system and major R\&D (research and development) activities using radiation measurement techniques in Experimental Fast Reactor "JOYO". In the introduction of the nuclear instrumentation system, following items are described; (1)system function (2)roles as a reactor plant equipment (3)specifications and charactelistics of neutron detectors, (4)construction and layout of the system. For reactor dosimetry at various irradiation tests and surveillance tests, multi-foil method employed in "JOYO", neutron fluence evaluation using activation foils and HAFM (Helium Accumulation Fluence Monitor) under development are described briefly. The failed fuel detection system and some experimental equipments using radiation measurement techniques are also introduced here with main results obtained by a series of fuel failure simulation experiments. In addition, following R\&Ds are picked up as some examples based on radiation measurement technology; (1)burn-up measurement of spent fuel subassembly (2)measurement and evaluation of radiation source distributions (radioactive corrosion products)
本報告書は、高速実験炉「常陽」の核計装設備および実験炉部で実施している広範な研究開発のうち、放射線計測が主要な測定技術となっている代表的な研究開発の内容を紹介するものでる。核計装設備の紹介では、原子炉プラント設備としての核計装の機能と位置付け、使用している中性子検出器の仕様と特性、システム構成と機器配置等について記述した。各種照射試験やサーベイランス試験に対する中性子照射量を実測ベースで評価するための原子炉ドシメトリーでは、実験炉部が採用している多重放射化法とその測定解析評価法および目下開発中のHAFM(ヘリウム蓄積モニタ法)について概説した。また、放射線計測技術がキーとなる破損燃料検出技術の開発では、「常陽」の燃料破損検出設備と各種実験装置の説明に加え、現在までに実施した。一連の燃料破損模擬実験の主な成果を紹介した。さらに、放射線計測を基礎技術として用いている研究開発として・使用済燃料の燃焼度測定・被爆源(放射性腐食生成物)分布の測定と評価について、その概略内容を記述した。
Source: /PNC-TN9420-92-005.pdf （fulltext）
https://jopss.jaea.go.jp/pdfdata/PNC-TN9420-92-005.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 日本原子力研究開発機構 : JOPSS:JAEA Originated Papers Searching System