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Statements

Subject Item
n2:RIV%2F46747885%3A24220%2F07%3A%230000496%21RIV08-MSM-24220___
rdf:type
n9:Vysledek skos:Concept
dcterms:description
The thermal conditions in the deep geological spent nuclear fuel repository have important role in the planning of the dimensions and used materials. The heat conduction problem is very difficult for simulation because of very large structure with many details and limited possibilities for symmetries or dimensional reduction. In the paper, we present numerical simulations for two possible model simplification – a single-canister case (study case for e.g. sensitivity analyses) and a single segment of the periodic model with infinite number of canisters (realistic in the local scale). We show the effect of the mutual heating of canisters in the periodic model in contrast to the single-canister model leading to a large temperature rise. Next in the parametric study, we compare several variants with different geometry and spent fuel heat generation, and the results in the literature. The thermal conditions in the deep geological spent nuclear fuel repository have important role in the planning of the dimensions and used materials. The heat conduction problem is very difficult for simulation because of very large structure with many details and limited possibilities for symmetries or dimensional reduction. In the paper, we present numerical simulations for two possible model simplification – a single-canister case (study case for e.g. sensitivity analyses) and a single segment of the periodic model with infinite number of canisters (realistic in the local scale). We show the effect of the mutual heating of canisters in the periodic model in contrast to the single-canister model leading to a large temperature rise. Next in the parametric study, we compare several variants with different geometry and spent fuel heat generation, and the results in the literature. Práce vyhodnocuje rozsah použitelnosti různě zjednodušených variant numerické simulace tepelného zatížení horniny a inženýrských bariér hlubinného úložiště vyhořelého jaderného paliva. Standardně jsou numerické simulace omezeny počtem neznámých a pro velká geometricky složitá úloha nemusí být v přímo řešitelná. Porozumění vlastnostem úlohy a nalezení symetrií umožní úlohu řešit mnohem efektivněji, příklady takových variant jsou v práci prezentovány.
dcterms:title
Thermal simulations of high-level waste repository Thermal simulations of high-level waste repository Tepelné simulace pro úložiště vysoce aktivních odpadů
skos:prefLabel
Tepelné simulace pro úložiště vysoce aktivních odpadů Thermal simulations of high-level waste repository Thermal simulations of high-level waste repository
skos:notation
RIV/46747885:24220/07:#0000496!RIV08-MSM-24220___
n4:strany
pp 130-135
n4:aktivita
n6:P
n4:aktivity
P(1M0554)
n4:dodaniDat
n5:2008
n4:domaciTvurceVysledku
n16:7059833
n4:druhVysledku
n11:D
n4:duvernostUdaju
n20:S
n4:entitaPredkladatele
n21:predkladatel
n4:idSjednocenehoVysledku
455052
n4:idVysledku
RIV/46747885:24220/07:#0000496
n4:jazykVysledku
n13:eng
n4:klicovaSlova
heat conduction
n4:klicoveSlovo
n17:heat%20conduction
n4:kontrolniKodProRIV
[DE2F3325A6F1]
n4:mistoKonaniAkce
Liberec
n4:nazevZdroje
Proceedings of 8th International workshop on Electronics, Control, Modelling, Measurement and Signals 2007
n4:obor
n18:BG
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:projekt
n14:1M0554
n4:rokUplatneniVysledku
n5:2007
n4:tvurceVysledku
Hokr, M.
n4:typAkce
n12:CST
n4:zahajeniAkce
2007-01-01+01:00
s:numberOfPages
6
n3:hasPublisher
Neuveden
n19:isbn
978-80-7372-218-0
n15:organizacniJednotka
24220