Utilization of PARCS/Serpent in small-scale reactor – Multiplication factor, rod worth, and transient

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F22%3A00352313" target="_blank" >RIV/68407700:21340/22:00352313 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.anucene.2021.108757" target="_blank" >https://doi.org/10.1016/j.anucene.2021.108757</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.anucene.2021.108757" target="_blank" >10.1016/j.anucene.2021.108757</a>

Result language
angličtina
Original language name
Utilization of PARCS/Serpent in small-scale reactor – Multiplication factor, rod worth, and transient
Original language description
Macroscopic cross-sections are generated by stochastic code Serpent (version 2.1.30) with ENDF/B-VIII.0 library and with a high emphasis on a wide range of utilization and reproducibility. Published cross-section generation approaches are used for analyses of 7 highly distinctive core configurations. This allows to asses their performance in a wider range than other papers aiming only at one specific core configuration. Even though predictions of a critical state are not sufficiently accurate for any actual usage (in case of the VR-1 reactor), calculated absorption rod worths reach a high potential for a fast and precise evaluation of safety criteria. Core kinetics parameters generated by Serpent with ENDF/B-VIII.0 library (for all three methods: Meulekamp, Nauchi, IFP) show a continuous underestimation of calculated power in all investigated transients during an insertion of a negative reactivity.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20305 - Nuclear related engineering; (nuclear physics to be 1.3);

Project
<a href="/en/project/LM2018118" target="_blank" >LM2018118: VR-1 - Support for reactor operation for research activities</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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