About: Multigroup energy structure for BA fuel depletion analysis

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Fuel depletion calculation is computationally expensive. Deterministic transport code requires large amount of computational time that can be cut down by decreasing the number of energy groups. Current multigroup energy structures with about 200 groups were generated by merging broader structures and subsequent ad hoc adding of energy boundaries. Recently, TSUNAMI sensitivity and uncertainty code sequence from SCALE code package was developed and released. TSUNAMI allows sensitivity calculations that can be used in various application areas, one of them is energy structure improvement and development. TSUNAMI code sequence was used to generate sensitivity coefficients describing sensitivity of multiplication coefficient to neutron energy. Based on sensitivity coefficient values during depletion, importance of energy groups was defined. Initial 238-group energy structure was collapsed to new one according to importance data. Fuel depletion calculation with TRITON code sequence from SCALE code package was executed and multiplication coefficient during depletion was compared. VVER-1000 fuel assembly with Eu and Er burnable absorbers were analyzed. Fuel depletion calculation is computationally expensive. Deterministic transport code requires large amount of computational time that can be cut down by decreasing the number of energy groups. Current multigroup energy structures with about 200 groups were generated by merging broader structures and subsequent ad hoc adding of energy boundaries. Recently, TSUNAMI sensitivity and uncertainty code sequence from SCALE code package was developed and released. TSUNAMI allows sensitivity calculations that can be used in various application areas, one of them is energy structure improvement and development. TSUNAMI code sequence was used to generate sensitivity coefficients describing sensitivity of multiplication coefficient to neutron energy. Based on sensitivity coefficient values during depletion, importance of energy groups was defined. Initial 238-group energy structure was collapsed to new one according to importance data. Fuel depletion calculation with TRITON code sequence from SCALE code package was executed and multiplication coefficient during depletion was compared. VVER-1000 fuel assembly with Eu and Er burnable absorbers were analyzed. (en)
Title	Multigroup energy structure for BA fuel depletion analysis Multigroup energy structure for BA fuel depletion analysis (en)
skos:prefLabel	Multigroup energy structure for BA fuel depletion analysis Multigroup energy structure for BA fuel depletion analysis (en)
skos:notation	RIV/49777513:23220/13:43920909!RIV15-TA0-23220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(TE01020455)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Lovecký, Martin Prehradný, Jan Škoda, Radek Piterka, Luboš
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Západočeská univerzita v Plzni / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	90057
http://linked.open...ai/riv/idVysledku	RIV/49777513:23220/13:43920909
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	burnable absorber; depletion; nuclear fuel (en)
http://linked.open.../riv/klicoveSlovo	burnable absorber depletion nuclear fuel
http://linked.open...ontrolniKodProRIV	[1F069F1B55FF]
http://linked.open...in/vavai/riv/obor	JF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Centre for Advanced Nuclear Technologies (CANUT)
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Škoda, Radek Prehradný, Jan Piterka, Luboš Lovecký, Martin
http://localhost/t...ganizacniJednotka	23220

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