Characterization of mixed N/G beam of the VR-1 reactor

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722445%3A_____%2F18%3AN0000026" target="_blank" >RIV/26722445:_____/18:N0000026 - isvavai.cz</a>
Alternative codes found
RIV/60162694:G43__/18:00536174 RIV/68407700:21340/18:00326583 RIV/00216224:14330/18:00103751
Result on the web
<a href="http://dx.doi.org/10.1016/j.anucene.2018.08.028" target="_blank" >http://dx.doi.org/10.1016/j.anucene.2018.08.028</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.anucene.2018.08.028" target="_blank" >10.1016/j.anucene.2018.08.028</a>

Result language
angličtina
Original language name
Characterization of mixed N/G beam of the VR-1 reactor
Original language description
VR-1 is light water zero-power reactor using IRT-4 M fuel with nominal enrichment of 19.7 wt%, equipped with the radial channel being directly attached to the fuel. Enrichment at the top level of the low enriched uranium limit guarantees that the larger part of non-scattered neutrons in the spectrum is coming from U-235 than in case of experimental reactors using enrichments between 2 and 5 wt% (e.g., LR-0). Thus, the measurement of the VR-1 leakage spectrum can be a valuable contribution to the validation process of predicted U-235 prompt fission neutron spectrum. Presented second set of measurements is confirming the beam stability at VR-1 and compares the agreement rate in neutron spectrum shape with two benchmarks; light- and heavy water filtered neutron spectrum obtained from spheres. Additionally, gamma spectrum was measured and compared with spherical iron benchmark and VVER-1000 core simulator. Presented measurements have the character of comprehensive characterization of beamline experiments developed at reactor cores with IRT-4 M fuel. Reported good agreement between the experiment and calculation confirm the methodology of using VR-1 as a Mock-Up experiment for benchmarking of high power reactors with IRTM fuel in the neutron transport experiments.
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
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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