About: Nodal methods for a two-dimensional static multigroup diffusion calculation of nuclear reactors with hexagonal assemblies

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About: Nodal methods for a two-dimensional static multigroup diffusion calculation of nuclear reactors with hexagonal assemblies Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper presents three variants of a hexagonal nodal method for determining neutron ux distribution in a nuclear reactor and its critical number. Their common framework constitutes the few-group, coarse-mesh nite-difference diffusion equations for all nodes inside the core domain. To achieve better accuracy without sacricing efciency, they are corrected by higher order nodal calculations formulated on pairs of nodes using the transverse integration procedure. This leads to three 1D equations coupled through neutron currents at transverse nodal boundaries. Approximation of the coupling has huge impact on the accuracy of transverse-integration based nodal methods and as such receives considerable attention. Three possibilities are discussed that dene the variants of the developed nodal method. Once the transverse coupling term is suitably approximated, solution of nodal equations is computed semi-analytically by using an efcient node-by-node iterative procedure. The three implementations are compare This paper presents three variants of a hexagonal nodal method for determining neutron ux distribution in a nuclear reactor and its critical number. Their common framework constitutes the few-group, coarse-mesh nite-difference diffusion equations for all nodes inside the core domain. To achieve better accuracy without sacricing efciency, they are corrected by higher order nodal calculations formulated on pairs of nodes using the transverse integration procedure. This leads to three 1D equations coupled through neutron currents at transverse nodal boundaries. Approximation of the coupling has huge impact on the accuracy of transverse-integration based nodal methods and as such receives considerable attention. Three possibilities are discussed that dene the variants of the developed nodal method. Once the transverse coupling term is suitably approximated, solution of nodal equations is computed semi-analytically by using an efcient node-by-node iterative procedure. The three implementations are compare (en)
Title	Nodal methods for a two-dimensional static multigroup diffusion calculation of nuclear reactors with hexagonal assemblies Nodal methods for a two-dimensional static multigroup diffusion calculation of nuclear reactors with hexagonal assemblies (en)
skos:prefLabel	Nodal methods for a two-dimensional static multigroup diffusion calculation of nuclear reactors with hexagonal assemblies Nodal methods for a two-dimensional static multigroup diffusion calculation of nuclear reactors with hexagonal assemblies (en)
skos:notation	RIV/49777513:23520/09:00501630!RIV10-MSM-23520___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(1M0545), S, Z(MSM4977751301)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Hanuš, Milan Brandner, Marek Kužel, Roman
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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 aplikovaných věd
http://linked.open...dnocenehoVysledku	329635
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/09:00501630
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	tok neutronů; šestihranná geometrie; VVER; mnohagrupové přiblížení; difúze; CMFD; kritické číslo reaktoru; nodální metoda; příčná integrace; semi-analytické řešení (en)
http://linked.open.../riv/klicoveSlovo	CMFD VVER difúze šestihranná geometrie kritické číslo reaktoru mnohagrupové přiblížení nodální metoda příčná integrace semi-analytické řešení tok neutronů
http://linked.open...odStatuVydavatele	IN - Indická republika
http://linked.open...ontrolniKodProRIV	[958A545BC07D]
http://linked.open...i/riv/nazevZdroje	Journal of Interdisciplinary Mathematics
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Institute for Theoretical Computer Science
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	12
http://linked.open...iv/tvurceVysledku	Hanuš, Milan Brandner, Marek Kužel, Roman
http://linked.open...n/vavai/riv/zamer	Spojité a diskrétní matematické struktury a vývoj odpovídajících metod jejich zkoumání
issn	0972-0502
number of pages	22 (xsd:int)
http://localhost/t...ganizacniJednotka	23520

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