Development of a Pragmatic Approach to Model Input Uncertainty Quantification for BEPU Applications

被引：14

作者：

Zhang, Jinzhao ^{[1
]}

Dethioux, Adrien ^{[1
]}

Kovtonyuk, Andriy ^{[1
]}

Schneidesch, Christophe ^{[1
]}

机构：

[1] Tractebel ENGIE, Blvd Simon Bolivar 34-36, Brussels, Belgium

来源：

NUCLEAR TECHNOLOGY | 2019年 / 205卷 / 1-2期

关键词：

Model input uncertainty; PREMIUM; RELAP5; thermal-hydraulic code; inverse uncertainty quantification; VALIDATION; VERIFICATION;

D O I：

10.1080/00295450.2018.1516055

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

In the framework of the Organisation for Economic Co-operation and Development/Nuclear Energy Agency PREMIUM [Post-BEMUSE (Best-Estimate Methods Uncertainty and Sensitivity Evaluation) REflood Model Input Uncertainty Methods] benchmark (2012-2015), Tractebel has contributed to the development and the proof-of-concept application of a sampling-based inverse uncertainty quantification (IUQ) approach with the DAKOTA statistical uncertainty and sensitivity analysis tool. This IUQ approach has been applied to quantify the RELAP5/MOD3.3 reflood-related model input uncertainties, based on selected reflood tests [FEBA (Flooding Experiments with Blocked Arrays) and PERICLES]. This paper presents the Tractebel IUQ approach as well as the results of applications to the PREMIUM benchmark. Lessons learned and perspectives for future development are also discussed.

引用

页码：140 / 152

页数：13

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