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Enhancing Nuclear Safety


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Status of the experimental validation of the French CRISTAL V1.1 package


Congress title :ICNC 2007
Congress location :Saint-Petersbourg
Congress date :28/05/2007

Document type > *Congrès/colloque

Keywords >

Research Unit > IRSN/DSU/SEC/LERD

Authors > DUHAMEL Isabelle, EVO Stéphane, GAGNIER Emmanuel, LECLAIRE Nicolas, LEE Y. K., VENARD Christophe

Publication Date > 01/06/2007

Summary

CRISTAL criticality safety package new version, CRISTALV1.1, has been developed by the Institut de Radioprotection et de Sûreté Nucléaire and the Commissariat à l'Energie Atomique, in collaboration with the AREVA NC Company, mainly to take into account burn-up credit in criticality safety studies. CRISTAL includes two calculation routes, using nuclear data issued from the JEF2.2 evaluation: a design route based on multi-group cross-sections (APOLLO2 - MORET 4 or APOLLO2 Sn calculations) and a reference route using the pointwise code TRIPOLI4. The CRISTAL V1.1 validation database is made up of 2132 critical experiments mainly taken from the OECD/ICSBEP Handbook or performed in French facilities. Most of them have already been investigated with the different CRISTAL routes. The first trends of the validation work point out that the calculation results are generally in good agreement with the benchmark keff and that the new calculation schemes improve the validation results.
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