Oral presentation

[3F01-07] PRA Method

Fri. Mar 19, 2021 10:00 AM - 12:00 PM Room F (Zoom room 6)

Chair: Hiroshi Ujita (AdvanceSoft)

10:00 AM - 10:15 AM

[3F01] Adjustment method with sensitivity coefficient based on Bayesian theory for performance shaping factor

*Satoshi Takeda¹, Takanori Kitada¹ (1. Osaka University)

10:15 AM - 10:30 AM

[3F02] A Trial Calculation Using a Human Reliability Analysis Methodology Phoenix

*Haruaki Ueda¹, Yoshikane Hamaguchi¹ (1. Regulatory Standard and Research Department, Secretariat of Nuclear Regulation Authority (S/NRA/R))

10:30 AM - 10:45 AM

[3F03] A System Risk Analysis on Primary Containment Vessel Venting Focusing on Organizations Interactions

Quantitative Analysis Using STAMP/STPA and Fuzzy Inference Methods

*Naoki Hirokawa¹, Akira Yamaguchi¹, Takashi Takata¹, Sunghyon Jang¹ (1. University of Tokyo)

10:45 AM - 11:00 AM

[3F04] Risk-Imformed applications for Emergency Drills

*Kotaro Homma¹, Takeshi Kuwahara¹, Yasuo Ishizaki², Takashi Takiguchi², Masayuki Hiraide² (1. TEPSYS, 2. TEPCO HD)

11:00 AM - 11:15 AM

[3F05] Development of safety review method to cope with an aging degradation for the facilities using nuclear material

(2)Risk assessment flow of equipments

*Yuichi Tamaoki¹ (1. Japan Atomic Energy Agency)

11:15 AM - 11:30 AM

[3F06] Study for considering the Level 3 PRA results in time series

*Ryohei Ichikawa¹ (1. NRA)

11:30 AM - 11:45 AM

[3F07] Development of the risk assessment technique for EAL

(2)The assessment of EAL severity

*Takanori Aoki¹, Mika Tahara², Nobuhisa Takezawa², Takahiro Nakagawa¹ (1. Toshiba Plant Systems & Services, 2. TOSHIBA ESS)

Time reserved for Chair （11:45 AM - 12:00 PM）

Oral presentation

[3F08-13] External PRA

Fri. Mar 19, 2021 2:45 PM - 4:30 PM Room F (Zoom room 6)

Chair: Sunhyon Jan (UTokyo)

2:45 PM - 3:00 PM

[3F08] Research on Seismic Correlation for PRA

Part2: DQFM using correlated random numbers based on the concept of common and independent variability of response factors

*Yasuki OTORI Ohtori¹, Hitoshi Muta¹, Ken Muramatsu¹ (1. Tokyo City University)

3:00 PM - 3:15 PM

[3F09] A Framework of RI-PB Design Application for Seismic Events

Part7: Study on the Balanced Risk Profile

*Toshiaki Sakai¹, Yasuki Ohtori², Yoshifumi Katayama³, Hitoshi Muta² (1. CRIEPI, 2. TCU, 3. Chuden Engineering Consultants CO.,LTD)

3:15 PM - 3:30 PM

[3F10] A Framework of RI-PB Design Application for Seismic Events

Part8: Evaluation of inter-period correlation based on strong ground motion simulations

*Yoshifumi Katayama¹, Yoshiaki Shiba², Yasuki Ohtori³, Toshiaki Sakai², Hitoshi Muta³ (1. CEC, 2. CRIEPI, 3. TCU)

3:30 PM - 3:45 PM

[3F11] A Framework of RI-PB Design Application for Seismic Events

Part9: Response correlation of components installed in a building

*Mituharu Ohara¹, Yasuki Ohtori¹, Hitoshi Muta¹, Yoshifumi Katayama², Toshiaki Sakai³ (1. TCU, 2. CEC, 3. CRIEPI)

3:45 PM - 4:00 PM

[3F12] Study on multi-unit PRA considering Correlation between Multiple Safety Systems using the Continuous Markov Monte Carlo Method

*Kento Sawada¹, Tomohiro Endo¹, Akio Yamamoto¹, Sunghyon Jang², Keisuke Maeda³, Chikahiro Sato³ (1. Nagoya Univ., 2. UTokyo, 3. TEPSYS)

4:00 PM - 4:15 PM

[3F13] Coupled analysis of reactor behavior and flooding propagation for ISLOCA and its impact on PRA-related parameters

*Hiroki Jojima¹, YOSHIKANE Hamaguchi¹, TOMOMICHI Ito¹ (1. Nuclear Regulation Authority)

Time reserved for Chair （4:15 PM - 4:30 PM）

Sessions

IV. Nuclear Plant Technologies » 403-1 Risk Assessment Technology, Application of Risk Information