Coupling CFD code with system code and neutron kinetic code

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46356088%3A_____%2F14%3A%230001543" target="_blank" >RIV/46356088:_____/14:#0001543 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.nucengdes.2014.02.011" target="_blank" >http://dx.doi.org/10.1016/j.nucengdes.2014.02.011</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.nucengdes.2014.02.011" target="_blank" >10.1016/j.nucengdes.2014.02.011</a>

Result language
angličtina
Original language name
Coupling CFD code with system code and neutron kinetic code
Original language description
The aim of this work was to develop the coupling interface between CFD code Fluent and system code Athlet internally coupled with neutron kinetic code Dyn3D. The coupling interface is intended for simulation of complex transients such as Main Steam LineBreak scenarios, which cannot be modeled separately first by system and neutron kinetic code and then by CFD code, because of the feedback between the codes. In the first part of this article, the coupling method is described. Explicit coupling of overlapped computational domains is used in this work. The second part of the article presents a demonstration simulation performed by the coupled system of Athlet/Dyn3D and Fluent. The "Opening a Steam Dump to the Atmosphere" test carried out at the Temelin NPP (VVER-1000) was simulated by the coupled system. In this simulation, the primary and secondary circuits were modeled by Athlet, mixing in downcomer and lower plenum was simulated by Fluent and heat generation in the core was calculated
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JF - Nuclear energy
OECD FORD branch
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Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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