Proposal of point-wise power reconstruction for IRT-4M fuel assemblies in coupled Monte-Carlo calculations

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F22%3A00361905" target="_blank" >RIV/68407700:21340/22:00361905 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.14311/APP.2022.37.0031" target="_blank" >https://doi.org/10.14311/APP.2022.37.0031</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14311/APP.2022.37.0031" target="_blank" >10.14311/APP.2022.37.0031</a>

Result language
angličtina
Original language name
Proposal of point-wise power reconstruction for IRT-4M fuel assemblies in coupled Monte-Carlo calculations
Original language description
Current efforts to develop high-fidelity multi-physics tools for research reactors with IRT-4M fuel leads to the involvement of Monte-Carlo transport and subchannel thermo-hydraulic codes in the process of safety assessment. Monte-Carlo based neutronic codes are often used as a reference tool and are suitable for a prediction of a detailed power distribution. This paper proposes a method of the point-wise power reconstruction based on a Radial Basis Function (RBF) interpolation for complicated irregular geometries and compares different detector functionalities of the Serpent2 code from the time efficiency point of view. Furthermore, a preliminary validation of the applied method for IRT-4M in a subchannel code SUBSALS mesh is presented. This code is currently under the evelopment at the Research Centre Rež and the Czech Technical University in Prague and focuses on the thermohydraulic analysis of IRT type fuel assemblies.
Czech name
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Czech description
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Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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