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Validation of Nuclear Data for High Burn-up MOX Fuels (VALMOX), Final Report

Funded under: FP5-EAECTP C


This Validation of Nuclear Data for High Burn-up MOX Fuels, or "VALMOX", took place from October 2001 to September 2004 as part of the research on Nuclear Fission Safety in the 5th R&D Framework Programme of the European Commission (1999-2004) under contract number FIKS-CT-00191. VALMOX was one of the projects of the cluster EVOL (Evolutionary Fuel Concepts: High Burnup and MOX Fuels).
Based on the most significant irradiations of MOX fuel at high burn-up (up to 60 GWd/t) in European Light Water Reactors, VALMOX comprised the evaluation of the actinide inventory in spent MOX fuel, with special attention placed on helium production.
This study started with a validation of the calculation methods employed by the partners (BELGONUCLEAIRE, CEA, NRG, SCK-CEN) and concluded with precise recommendations to revise some neutron cross-sections in the new basic data file JEFF3 developed under the auspices of OECD/NEA.

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