Topical day Fission Gas Release Modelling

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Abstract

Fission gas release is one of the most limiting phenomena in view of the present and near-coming fuel's performances (in the framework of Gen II and Gen III). Its effects are potentially enhanced by the tendency for higher burn-ups and for higher Pu enrichments. Fission gas release will also be an important issue for some reactor concepts considered for the future Gen IV nuclear reactors. This Topical Day aims at bringing together modellers working at different scales, from ab-initio calculations to integral fuel performance modelling. The objective is to link the efforts made at the different scales (atomic-scale modelling, meso-scale modelling and experiments, integral FGR), by discussing the progress and the shortcomings at the different levels, and by reflecting on their interactions. The ultimate goal of this Topical Day is to identify the type of data that are still expected by the different groups of modellers, and to discover potential contributions to the improvement of models at other scales.

Details

Original languageEnglish
PublisherSCK CEN - Belgian Nuclear Research Center
Number of pages22
Edition0
Publication statusPublished - Sep 2009

Publication series

NameSCK•CEN Reports
PublisherStudiecentrum voor Kernenergie
No.BA-27

Keywords

  • Topical day fission gases modelling

ID: 182443