Invariant methods for an ensemble-based sensitivity analysis of a passive containment cooling system of an AP1000 nuclear power plant
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- 作者：Francesco Di Maioa ; francesco.dimaio@polimi.it" class="auth_mail" title="E-mail the corresponding author ; Giancarlo Nicolaa ; Emanuele Borgonovob ; Enrico Zioa ; c
- 关键词：Invariant sensitivity analysis methods ; Pearson correlation ratio ; Delta method ; Beta Method ; AP1000 Nuclear Power Plant ; Ensemble of methods
- 刊名：Reliability Engineering & System Safety
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：151
- 期：Complete
- 页码：12-19
- 全文大小：915 K
文摘
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We perform the reliability analysis of a passive safety system of Nuclear Power Plant (NPP).
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We use a Thermal Hydraulic (TH) code for predicting the NPP response to accidents.
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We propose an ensemble of Invariant Methods for the sensitivity analysis of the TH code
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The ensemble aggregates the rankings of Pearson correlation, Delta and Beta methods.
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The approach is tested on a Passive Containment Cooling System of an AP1000 NPP.