Detailed neutronic calculations of the AP1000 reactor core with the Serpent code

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dc.contributor.authorSTEFANI, GIOVANNI L. dept_BR
dc.contributor.authorMOREIRA, JOAO M.L.pt_BR
dc.contributor.authorMAIORINO, JOSE R.pt_BR
dc.contributor.authorROSSI, PEDRO C.R.pt_BR
dc.coverageInternacionalpt_BR
dc.date.accessioned2019-07-29T18:24:41Z
dc.date.available2019-07-29T18:24:41Z
dc.date.issued2019pt_BR
dc.description.abstractIn this work we present some validation results for reactor core modeling with the Serpent code performed for the first cycle of the AP1000 reactor. The comparison with reported values of the assembly k∞ for cold zero-power condition showed a discrepancy of 0.29%. The kef for full-core static and burnup calculations of the very heterogeneous AP1000 reactor core also presented good agreement with reported values. The kef for states with uniform fuel and moderator temperature distributions showed discrepancies below 0.91%. The boron worth curve obtained from burnup calculations with the Serpent code model results reproduced very well literature results despite using uniform temperature distributions in the modeling. In addition we discuss shadowing effects among burnable absorber rods (IFBA and Pyrex) and control rods which are, together with soluble boron, the control means throughout the first cycle. For instance, the presence of 9 Pyrex rods in an assembly decreased the average reactivity worth of one IFBA rod from 147 pcm to 33 pcm; and the presence of 28 IFBA rods in an assembly decreased the average reactivity worth of one Pyrex rod from 631 pcm to 277 pcm. The reactivity worth of a black control rod reduces about 20% when 28 IFBA rods are inserted in the fuel assembly.pt_BR
dc.format.extent95-107pt_BR
dc.identifier.citationSTEFANI, GIOVANNI L. de; MOREIRA, JOAO M.L.; MAIORINO, JOSE R.; ROSSI, PEDRO C.R. Detailed neutronic calculations of the AP1000 reactor core with the Serpent code. <b>Progress in Nuclear Energy</b>, v. 116, p. 95-107, 2019. DOI: <a href="https://dx.doi.org/10.1016/j.pnucene.2019.03.030">10.1016/j.pnucene.2019.03.030</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/29970.
dc.identifier.doi10.1016/j.pnucene.2019.03.030pt_BR
dc.identifier.issn0149-1970pt_BR
dc.identifier.percentilfi63.235pt_BR
dc.identifier.percentilfiCiteScore67.75
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/29970
dc.identifier.vol116pt_BR
dc.relation.ispartofProgress in Nuclear Energypt_BR
dc.rightsopenAccesspt_BR
dc.subjectcalculation methods
dc.subjectmonte carlo method
dc.subjectreactivity
dc.subjectreactors
dc.subjectwestinghouse standard reactor
dc.subjectfuel cells
dc.subjectfuel assemblies
dc.titleDetailed neutronic calculations of the AP1000 reactor core with the Serpent codept_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorGIOVANNI LARANJO DE STEFANI
ipen.codigoautor7606
ipen.contributor.ipenauthorGIOVANNI LARANJO DE STEFANI
ipen.date.recebimento19-07
ipen.identifier.fi1.508pt_BR
ipen.identifier.fiCiteScore3.1
ipen.identifier.ipendoc25755pt_BR
ipen.identifier.iwosWoSpt_BR
ipen.range.fi1.500 - 2.999
ipen.range.percentilfi50.00 - 74.99
ipen.type.genreArtigo
relation.isAuthorOfPublicationcfb52090-3a5f-42c9-bf50-e969bca3d779
relation.isAuthorOfPublication.latestForDiscoverycfb52090-3a5f-42c9-bf50-e969bca3d779
sigepi.autor.atividadeSTEFANI, GIOVANNI L. de:7606:310:Spt_BR
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