2021 Fall Meeting

Presentation information

Oral presentation

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

[2G01-08] External Event PRA

Thu. Sep 9, 2021 9:45 AM - 12:00 PM Room G

chair: Takahiro Kuramoto (NEL)

11:30 AM - 11:45 AM

[2G08] Construction of the technical basis for tsunami PRA

Part18: Estimation of time-dependent core damage probability using success criteria analysis as training data

*Atsushi Ui1, Motomu Suzuki1, Ryuu Kobayashi2 (1. CRIEPI, 2. Chubu Electric Power)

Keywords:Tsunami PRA, Success criteria analysis, time-dependency, Uncertainty analysis, Surrogate model

主要な事故シーケンスについて広範な不確かさ解析を行い,その結果を訓練データとしてサロゲートモデルを構築し,ごく限られた情報から炉心損傷時間,燃料被覆管温度,炉心損傷確率を予測する手法を検討した。