期刊
ANNALS OF NUCLEAR ENERGY
卷 40, 期 1, 页码 153-162出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anucene.2011.10.013
关键词
Sensitivity analysis; Uncertainty analysis; Perturbation theory
This paper describes the implementation of classical perturbation theory based sensitivity and uncertainty analysis to the reactor physics code CASMO-4 in the context of the (JAM (Uncertainty Analysis in Best-Estimate Modelling for Design, Operation and Safety Analysis of LWRS) benchmark The theoretical background as well as practical guidelines for similar work are reviewed and the developed methodology is described in detail. A technique is proposed for handling a discrepancy between the code and covariance libraries regarding the amount of reactions present in the cross-section model. Numerical results for PWR and GEN-III MOX pin-cell test problems are presented and compared to TSUNAMI-1D. The results are in accordance with theoretical considerations and reflect the characteristics of the developed methodology. (C) 2011 Elsevier Ltd. All rights reserved.
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