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dc.contributor.authorLovecký, Martin
dc.contributor.authorZávorka, Jiří
dc.contributor.authorJiřičková, Jana
dc.contributor.authorŠkoda, Radek
dc.date.accessioned2021-02-08T11:00:29Z-
dc.date.available2021-02-08T11:00:29Z-
dc.date.issued2020
dc.identifier.citationLOVECKÝ, M., ZÁVORKA, J., JIŘIČKOVÁ, J., ŠKODA, R. Neutron absorber for VVER-1000 final disposal cask. In: Proceedings : 29th International Conference Nuclear Energy for New Europe (NENE 2020). Ljubljana: Nuclear Society of Slovenia, 2020. s. 1502.1-1502.8. ISBN 978-961-6207-49-2.cs
dc.identifier.isbn978-961-6207-49-2
dc.identifier.urihttp://hdl.handle.net/11025/42642
dc.format8 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherNuclear Society of Sloveniaen
dc.relation.ispartofseriesProceedings : 29th International Conference Nuclear Energy for New Europe (NENE 2020)en
dc.rightsPlný text je přístupný v rámci univerzity přihlášeným uživatelům.cs
dc.rights© Nuclear Society of Sloveniaen
dc.titleNeutron absorber for VVER-1000 final disposal casken
dc.typekonferenční příspěvekcs
dc.typeconferenceObjecten
dc.rights.accessrestrictedAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedThe recent increasing demand for better nuclear fuel utilization requires higher enriched uranium fuels which is a challenge for spent fuel handling facilities in all countries with nuclear power plants. The operation with higher enriched fuels leads to reduced reserves to legislative and safety limits of spent fuel transport, storage and final disposal facilities. In some cases, the required boron amount in the absorber plates or tubes can be higher than current metallurgy processes allows. This study addresses the neutron absorber solution with significantly increased nuclear safety and improved economics where a new concept of inseparable neutron absorber is introduced to achieve fuel reactivity decrease. Same or better criticality safety is achieved with significantly lower or even no boron content in the cask basket absorber when compared to current concepts. Alternatively, it is possible to reduce fuel assembly pitch with the same boron amount and subsequently decrease overall cask dimensions and its cost. Because of less strict requirements for absorber material when compared to active core environment and better spatial position inside spent fuel handling facility, the choice of absorber material expands currently used boron element. Erbium, cadmium, gadolinium, hafnium, samaria and dysprosium elements are among the most suitable materials. Criticality safety analysis of the recent VVER-1000 final disposal cask with 3 fuel assemblies is performed with the new neutron absorber concept.en
dc.subject.translatedcriticality safetyen
dc.subject.translatednuclear fuelen
dc.subject.translatedfinal disposalen
dc.subject.translatedMonte Carloen
dc.subject.translatedVVER-1000en
dc.type.statusPeer-revieweden
dc.identifier.obd43931530
dc.project.IDTK02010102/Optimalizace skladování použitého jaderného palivacs
Vyskytuje se v kolekcích:Konferenční příspěvky / Conference papers (RICE)
Konferenční příspěvky / Conference Papers (KEE)
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