Title: A Serpent2-SUBCHANFLOW-TRANSURANUS coupling for pin-by-pin depletion calculations in Light Water Reactors
Authors: GARCIA MANUELTUOMINEN RIKUGOMMLICH ANDRÉFERRARO DIEGOVALTAVIRTA VILLEIMKE UWEVAN UFFELEN PAULMERCATALI LUIGISANCHEZ ESPINOZA VICTOR HUGOLEPPÄNEN JAAKKOKLIEM SOEREN
Citation: ANNALS OF NUCLEAR ENERGY vol. 139 p. 107213 (17 pp)
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2020
JRC N°: JRC119043
ISSN: 0306-4549 (online)
URI: https://publications.jrc.ec.europa.eu/repository/handle/JRC119043
DOI: 10.1016/j.anucene.2019.107213
Type: Articles in periodicals and books
Abstract: This work presents the development of a coupling scheme for Serpent2, a continuous-energy Monte Carlo particle transport code, SUBCHANFLOW, a subchannel thermalhydraulics code, and TRANSURANUS, a fuel-performance code, suitable for large-scale high-fidelity depletion calculations for Light Water Reactors. The calculation method is based on the standard neutronic-thermalhydraulic approach, replacing the simple fuel-rod solver in SUBCHANFLOW with the more complex thermomechanic model of TRANSURANUS. The depletion method is fully coupled and semi-implicit, and the implementation relies on an object-oriented design with mesh-based feedback exchange. The results of the three-code system for a 360-day depletion calculation of a VVER-1000 fuel assembly with a pin-by-pin modelling approach are presented and analyzed. The performance of this tool, as well as the bottlenecks for its application to full-core problems, are discussed.
JRC Directorate:Nuclear Safety and Security

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