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García Herranz, Nuria and Garrido, J. and Cabellos de Francisco, Oscar Luis (2014). Sensitivity/Uncertainty Analysis for BWR Configurations of Exercise I-2 of UAM Benchmark. In: "PHYSOR 2014", September 28 - October 3, 2014, Kyoto, Japan. pp. 1-8. https://doi.org/10.11484/jaea-conf-2014-003.
Title: | Sensitivity/Uncertainty Analysis for BWR Configurations of Exercise I-2 of UAM Benchmark |
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Author/s: |
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Item Type: | Presentation at Congress or Conference (Article) |
Event Title: | PHYSOR 2014 |
Event Dates: | September 28 - October 3, 2014 |
Event Location: | Kyoto, Japan |
Title of Book: | Proceedings of the International Conference on Physics of Reactors (PHYSOR2014) |
Date: | 2014 |
Subjects: | |
Freetext Keywords: | lattice physics uncertainty propagation, sentitivity/uncertainty analysis, few-group homogenized cross section uncertainties |
Faculty: | E.T.S.I. Industriales (UPM) |
Department: | Ingeniería Energética |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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In order to evaluate the uncertainties in prediction of lattice-averaged parameters, input data of core neutronics codes, Exercise I-2 of the OECD benchmark for uncertainty anal-ysis in modeling (UAM) was proposed. This work aims to perform a sensitivity/uncertainty analysis of the BWR configurations defined in the benchmark for the purpose of Exercise I-2. Criticality calculations are done for a 7x7 BWR fresh fuel assembly at HFP in four configurations: single unrodded fuel assembly, rodded fuel assembly, assembly/reflector and assembly in a color-set. The SCALE6.1 code package is used to propagate cross section covariance data through lattice physics calculations to both k-effective and two-group assembly-homogenized cross sec-tions uncertainties. Computed sensitivities and uncertainties for all configurations are analyzed and compared. It was found that uncertainties are very similar for the four test-problems, showing that the influence of the assembly environment on uncertainty prediction is very small.
Type | Code | Acronym | Leader | Title |
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Government of Spain | P110530207 | Unspecified | Unspecified | Propagation of Uncertainties for Neutronic Calculations (P110530207) - Spanish Nuclear Safety Council (CSN) |
Item ID: | 44365 |
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DC Identifier: | https://oa.upm.es/44365/ |
OAI Identifier: | oai:oa.upm.es:44365 |
DOI: | 10.11484/jaea-conf-2014-003 |
Official URL: | http://rpg.jaea.go.jp/physor2014/ |
Deposited by: | Memoria Investigacion |
Deposited on: | 11 Jan 2017 15:57 |
Last Modified: | 30 Jan 2017 10:54 |