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Severe accident analysis for PHEBUS FPT0 experiment with code ICARE2


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Titre du congrès :ICAPP Sixth International Conference on Advances in Nuclear Power Plants Ville du congrès :Reno Date du congrès :04/06/2006

Type de document > *Congrès/colloque

Mots clés >

Unité de recherche > IRSN/DPAM/SEMCA/LEIDC

Auteurs > CHATELARD Patrick, DE LUZE Olivier, MUKHOPADHYAY D., REPETTO Georges

Date de publication > 08/06/2006

Résumé

The PHEBUS Fission Product (FP) program was initiated to understand the phenomena involved in LWR severe accidents and validation of severe accident physical models. The code ICARE2 was developed at IRSN and validation program of this code against several tests has been carried out over the years. In continuation to the validation exercises for further improvement of the code understanding and predictions, a series of sensitivity study has been carried out for FPTO test. The study has been carried out with an ICARE2 specific reference model. With the understanding gained from this study, a best estimate model has been developed for a better code prediction. The best estimate model predicts well the key parameters and degradation in the upper part is predicted well than the reference model.