Oral presentation

[3G01-05] Risk Evaluation Method

Fri. Mar 18, 2022 9:30 AM - 11:00 AM Room G

Chair: Yoshihiro Ide (AdvanceSoft)

9:30 AM - 9:45 AM

[3G01] Development of Risk Assessment Methodology to Support the Optimization of Nuclear Disaster Prevention Planning

Part1: Overall plan

*Hitoshi Muta¹, Yasuki Ohtori¹, Sakura Fukue¹, Shohei Yamagishi², Tsuyoshi Takada³, Akemi Nishida³, Takenori Hida⁴, Soichi Mabuchi², Tsuyoshi Tamukai² (1. Tokyo City University, 2. ITOCHU Techno-Solutions Corporation, 3. Japan Atomic Energy Agency, 4. Ibaraki University)

9:45 AM - 10:00 AM

[3G02] Development of Risk Assessment Methodology to Support the Optimization of Nuclear Disaster Prevention Planning

Part2: Development of Risk Assessment Model on Evacuation of Residents

*Shohei Yamagishi¹, Tsuyoshi Tamukai¹, Soichi Mabuchi¹, Hitoshi Muta², Yasuki Ohtori², Sakura Fukue², Tsuyoshi Takada³, Akemi Nishida³, Takenori Hida⁴ (1. ITOCHU Techno-Solutions Corporation, 2. Tokyo City University, 3. Japan Atomic Energy Agency, 4. Ibaraki University)

10:00 AM - 10:15 AM

[3G03] Risk assessment for various cohorts considering EAL transmission timing

*Fumie Sebe¹, Hideki Horie¹, Nobuhisa Takezawa¹, Mika Tahara¹, Kaoru Matsushita¹ (1. Toshiba Energy Systems & Solutions Corporation)

10:15 AM - 10:30 AM

[3G04] Development of risk assessment method to cope with an aging degradation for the facilities using nuclear material.

(2)Examination of risk assessment method in aging risk assessment.

*Satoshi Sawahata¹, Yuichi Tamaoki¹, Ryosuke Isozaki¹, Ryuta Suzuki¹, Masataka Akada¹, Hisashi Suzuki¹, Ryoma Yonezawa¹, Tadatsune Fujishima¹, Yasutaka Mizukoshi¹, Naoki Sakamoto¹ (1. JAEA)

10:30 AM - 10:45 AM

[3G05] Effect of Correlation between Performance Shaping Factors on Human Error Probability

*Yusuke Takao¹, Satoshi Takeda¹, Takanori Kitada¹ (1. OSAKA UNIVERSITY)

Time reserved for Chair （10:45 AM - 11:00 AM）

Oral presentation

[3G06-08] Dynamic PRA

Fri. Mar 18, 2022 11:00 AM - 12:00 PM Room G

Chair: Hitoshi Muta (TCU)

11:00 AM - 11:15 AM

[3G06] Sensitivity Analysis for CMMC Coupling Method using the Correlated Sampling Method

*Yuki Morishita¹, Tomohiro Endo¹, Akio Yamamoto¹ (1. Nagoya Univ.)

11:15 AM - 11:30 AM

[3G07] Development of Dynamic PRA Methodology

(3)Grouping of accident sequences using principal component analysis

*Yoichi Tanaka¹, Xiaoyu Zheng¹, Hitoshi Tamaki¹, Tomoyuki Sugiyama¹ (1. JAEA)

11:30 AM - 11:45 AM

[3G08] Study on the Applicability of Dynamic Level 2 PRA to Estimating Large Early Release Frequency

*Xiaoyu Zheng¹, Shogo Takahara¹, Hitoshi Tamaki¹, Tomoyuki Sugiyama¹, Yu Maruyama¹ (1. Japan Atomic Energy Agency)

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

Oral presentation

[3G09-12] Seismic Evaluation

Fri. Mar 18, 2022 2:45 PM - 4:00 PM Room G

Chair: Sunhyon Jan (Hokkaido Univ.)

2:45 PM - 3:00 PM

[3G09] A Framework of RI-PB Design Application for Seismic Events

Part11: Case Study on Application of RI-PB for Emergency Cooling System Considering Failure Probability as a Performance Target

*Toshiaki Sakai¹, Yasuki Ohtori², Noa Matsumaru², Hitoshi Muta², Yoshifumi Katayama³ (1. CRIEPI, 2. TCU, 3. Chuden Engineering Consultants CO.,LTD)

3:00 PM - 3:15 PM

[3G10] A Fremework of RI-PB Design Application for Seismic Events

Part12: Case study on Balancing risk of Emergency Cooling System

*Noa Matsumaru¹, Yasuki Ohtori¹, Hitoshi Muta¹, Toshiaki Sakai², Yoshifumi Katayama³ (1. TCU, 2. CRIEPI, 3. CEC)

3:15 PM - 3:30 PM

[3G11] Evaluation of Seismic Diversity of SSC system in PRA

Part2: Proposal of risk assessment method of SSC system considering seismic diversity

*Katayama Yoshifumi¹, Yasuki Ohtori², Toshiaki Sakai³, Muta Hitoshi² (1. Chuden Engineering Consultants, 2. TCU, 3. CRIEPI)

3:30 PM - 3:45 PM

[3G12] Importance Measure Considering Common Cause Failure

*Yasuki Ohtori¹, Hitoshi Muta¹ (1. TCU)

Time reserved for Chair （3:45 PM - 4:00 PM）

Sessions

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

[3G01-05] Risk Evaluation Method

[3G01] Development of Risk Assessment Methodology to Support the Optimization of Nuclear Disaster Prevention Planning

Part1: Overall plan

[3G02] Development of Risk Assessment Methodology to Support the Optimization of Nuclear Disaster Prevention Planning

Part2: Development of Risk Assessment Model on Evacuation of Residents

[3G03] Risk assessment for various cohorts considering EAL transmission timing

[3G04] Development of risk assessment method to cope with an aging degradation for the facilities using nuclear material.

(2)Examination of risk assessment method in aging risk assessment.

[3G05] Effect of Correlation between Performance Shaping Factors on Human Error Probability

[3G06-08] Dynamic PRA

[3G06] Sensitivity Analysis for CMMC Coupling Method using the Correlated Sampling Method

[3G07] Development of Dynamic PRA Methodology

(3)Grouping of accident sequences using principal component analysis

[3G08] Study on the Applicability of Dynamic Level 2 PRA to Estimating Large Early Release Frequency

[3G09-12] Seismic Evaluation

[3G09] A Framework of RI-PB Design Application for Seismic Events

Part11: Case Study on Application of RI-PB for Emergency Cooling System Considering Failure Probability as a Performance Target

[3G10] A Fremework of RI-PB Design Application for Seismic Events

Part12: Case study on Balancing risk of Emergency Cooling System

[3G11] Evaluation of Seismic Diversity of SSC system in PRA

Part2: Proposal of risk assessment method of SSC system considering seismic diversity

[3G12] Importance Measure Considering Common Cause Failure

Authentication