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Annunziato, A.; Addabbo, C.; Yerkess, A.; Silverii, R.; Brewka, W.; Leva, G.
Organisation for Economic Co-Operation and Development - Nuclear Energy Agency, Committee on the safety of nuclear installations - OECD/NEA/CSNI, Le Seine Saint-Germain, 12 boulevard des Iles, F-92130 Issy-les-Moulineaux (France)1997
Organisation for Economic Co-Operation and Development - Nuclear Energy Agency, Committee on the safety of nuclear installations - OECD/NEA/CSNI, Le Seine Saint-Germain, 12 boulevard des Iles, F-92130 Issy-les-Moulineaux (France)1997
AbstractAbstract
[en] This report provides a comparative analysis of the results from the ISP-39 exercise promoted by OECD-CSNI in the frame of the NEA activities. ISP-39 has been conceived to benchmark the predictive capabilities of computer codes used in the evaluation of fuel-coolant interaction (FCI) and quenching phenomenologies of relevance in water cooled reactors severe accidents safety analysis. The ISP-39 reference case is FARO test L-14, a non-energetic FCI test performed under realistic melt composition and prototypical accident conditions in the FARO experimental installation (Ispra, Italy). Thirteen research organizations from ten countries participated in the exercise submitting 15 prediction calculations with 8 different codes or code versions (COMETA, MC3D, IVA, IFCI, JASMINE, TEXAS, THIRMAL, VAPEX). ISP-39 was conducted as an open exercise. Conclusions are given concerning code capabilities, users effect and sensitivity analyses, numerical accuracy quantification of the predictions, code improvements, general considerations
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1997; 951 p; 13 refs.
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