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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 関 真和前川 知之井澤 一彦曽野 浩樹
- Publication Date
- 2018-03
- Publication Date (W3CDTF)
- 2018
- Alternative Title
- Mock-up test of the modified STACY (Performance check of water feed and drain system)
- Periodical title
- JAEA-Technology 2017-038
- Target Audience
- 一般
- Note (General)
- 出版タイプ： NA日本原子力研究開発機構では、溶液燃料を用いるSTACY(定常臨界実験装置)施設を「棒状燃料と軽水減速材を用いる熱中性子炉用臨界実験装置(STACY更新炉)」に更新する計画を進めている。これまでのSTACYは、炉心タンクへ供給する溶液燃料の体積を調整する液位制御方式を採用していたが、STACY更新炉は、炉心タンクへ減速材の給水量を調整する水位制御方式を採用する。この水位制御について、これまでに行った基本設計の妥当性を検証するため、実機とほぼ同一構造の設備・機器を用いた給排水系モックアップ試験装置を製作した。モックアップ試験では、最大給水流量の制限、給水流量の調整、給水停止等の性能確認を行った。本書では、STACY更新炉給排水系のモックアップ試験の結果について報告する。The Japan Atomic Energy Agency is conducting a reactor modification project of the Static Experiment Critical Facility (STACY). In the modification, STACY is to be converted from a thermal reactor using solution fuel into that using fuel rods and light water moderator. Reactivity of the modified STACY core is controlled by the water level fed in the core tank as well as the present STACY. In order to verify the basic design of the water feed and drain system of the modified STACY, we constructed a mockup test apparatus with almost the same structure and specifications as the modified STACY. In the mockup test, performance checks were pursued regarding limitation of maximum flow of water feeding, adjustment of the flow rate of water feeding, stop of water feeding and others. This report describes the outline and results of the mock-up test of the water feed and drain system of the modified STACY.
- Source
- /JAEA-Technology-2017-038.pdf （fulltext）