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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 小野 正人塙 善雄園部 博西村 嵐菅谷 直人飯垣 和彦
- Publication Date
- 2020-09
- Publication Date (W3CDTF)
- 2020
- Alternative Title
- Assessment of the probability of aircraft crashing for HTTR
- Periodical title
- JAEA-Technology 2020-010
- Target Audience
- 一般
- Note (General)
- 出版タイプ: NA平成25年12月18日に施行された「試験研究の用に供する原子炉等の位置、構造及び設備の基準に関する規則」の適合性確認のために、高温工学試験研究炉における航空機落下確率を評価した。評価は、「実用発電用原子炉施設への航空機落下確率の評価基準について」を参考にして、原子炉建家, 使用済燃料貯蔵建家及び冷却塔を標的として実施した。その結果、落下確率は5.98$\times$10$^{-8}$(回/年)であり、基準である10$^{-7}$(回/炉・年)を下回り、防護設計が不要であることを確認した。さらに、落下確率の大きい事故については、事故件数の増加を仮定して評価を行い、評価基準に対する裕度を確認した。In response to new standard for regulating research and test reactor which is enforced December 18, 2013, it was carried out assessment of the probability of aircraft crashing for HTTR. According to assessment method provided in the Assessment Criteria of the Probability of Aircraft Crashing on Commercial Power Reactor Facilities, assessment was conducted targeting reactor building, spent fuel storage building and cooling tower. As a result, it was confirmed that the probability was 5.98$\times$10$^{-8}$, which is lower than the assessment criteria 10$^{-7}$.
- Source
- /JAEA-Technology-2020-010.pdf (fulltext)