2019 Fall Meeting

Presentation information

Oral presentation

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

[1O01-07] Advanced PRA Methodology

Wed. Sep 11, 2019 10:00 AM - 11:55 AM Room O (Common Education Bildg. 3F A34)

Chair:Koichi Nakamura(CRIEPI)

10:00 AM - 10:15 AM

[1O01] Application of Surrogate Models for Dynamic PRA

(1)Investigation of Applicability for Limit Surface Prediction of PCT

*Ikuo Kinoshita1 (1. INSS)

Keywords:Dynamic PRA, Surrogate model, Limit surface, Adaptive sampling, RELAP5

ROSA/LSTFの小破断LOCA高圧注入系不作動模擬実験を対象に、RELAP5コードによる燃料被覆管最高温度の限界曲面を予測する代替統計モデルを構築し、適応的サンプリング手法による限界曲面計算の効率と精度を検討した。