2017 Fall Meeting

Presentation information

Oral presentation

III. Fission Energy Engineering » 306-1 Nuclear Safety Engineering, Nuclear Installation Safety, PSA

[2B10-13] Safety Assessment for Fast Reactors 2

Thu. Sep 14, 2017 2:45 PM - 3:45 PM Room B (B12 - B1 Block)

Chair:Mamoru Konomura (Univ. of Fukui)

3:15 PM - 3:30 PM

[2B12] Study on In-Vessel Retention (IVR) of Unprotected Accident for Fast Reactor

(11)Best Estimate and Uncertainty Assessment of PAMR/PAHR Phase in ULOF

*Joji Sogabe1, Yusaku Wada1, Tohru Suzuki1,2, Yoshiharu Tobita1 (1. JAEA, 2. Tokyo City Univ.)

Keywords:Fast reactor, Severe accident, Anticipated transient without scram (ATWS), PAMR/PAHR phase, In-vessel retention (IVR)

高速炉の代表的な炉停止失敗事象である冷却材流量喪失時炉停止失敗事象(ULOF: Unprotected Loss of
Flow)の再配置/冷却過程における事象推移を評価・検討した。原子炉容器内終息(IVR)成立の見通しを得るために実施した、低圧プレナム流出燃料及び炉心残留燃料の安定冷却性に関する最確及び不確かさ評価について報告する。