Current meso-scale modelling developments for TRANSURANUS
The simulation of the cylindrical fuel rod behavior in a reactor or a storage pool for spent fuel requires a fuel performance code. Such tool solves the equations for the heat transfer, the stresses and strains in fuel and cladding, the evolution of several isotopes and the behavior of various fission products in the fuel rod. Thanks to a clearly defined mechanical and mathematical framework as well as a consistent modelling, the TRANSURANUS fuel performance code has been able to cope with normal, off-normal and accidental operating conditions right from the beginning. With the advent of advanced hardware and software along with more detailed experimental data in recent years, there has been a general trend to develop more mechanistic models in the fuel rod performance codes like TRANSURANUS.
SCHUBERT Arndt;
VAN DE LAAR Jacques;
LI Wenjie;
GYORI Csaba;
DUBOURG Roland;
PAVLOV Tsvetoslav Rumenov;
CAPPIA Fabiola;
COGNINI Luana;
BARANI Tommaso;
PIZZOCRI Davide;
PASTORE Giovanni;
LUZZI Lelio;
VAN UFFELEN Paul;
2025-11-06
NEA
JRC105683
https://www.oecd-nea.org/jcms/pl_97343/proceedings-of-the-2017-international-workshop-on-fuel-modelling-to-support-safety-and-performance-enhancement-for-water-cooled-reactors?details=true,
https://publications.jrc.ec.europa.eu/repository/handle/JRC105683,
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