Uncertainty evaluation and sensitivity analysis under accident scenarios

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dc.contributor.authorGOMES, DANIEL de S.pt_BR
dc.contributor.authorSILVA, ANTONIO T. ept_BR
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 26thpt_BR
dc.date.accessioned2019-10-08T12:18:53Z
dc.date.available2019-10-08T12:18:53Z
dc.date.eventoJuly 22-26, 2018pt_BR
dc.description.abstractNuclear power units need to operate conditioned the lowest risk possible. Safety analysis must use paired models, combining probabilistic and deterministic methods. In this study, FRAPCON and FRAPTRAN codes were used to simulate an idealized test based on IFA-650 series, carried out within Halden program. Nuclear systems work to depend on uncertainty values that must be quantified and propagated. The sources of uncertainties can be divided among physical models, boundary conditions, and mechanical tolerances. Eight physical models that can be configured, such as thermal conductibility, and fission gas release. Mechanical tolerances introduced by fuel fabrication are deviations that must propagate throughout of the system. To measure the effects produced by uncertainties were used correlation coefficients between entry and exit. Uncertainties contained on input values are spread to measure the impact created on safety limits. The method adopted used 96 samples to achieve the 95% of probability and 95% of confidence level.pt_BR
dc.event.siglaICONEpt_BR
dc.format.extent1-8pt_BR
dc.identifier.citationGOMES, DANIEL de S.; SILVA, ANTONIO T. e. Uncertainty evaluation and sensitivity analysis under accident scenarios. In: INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 26th, July 22-26, 2018, London, England. <b>Proceedings...</b> New York, NY, USA: ASME, 2018. p. 1-8. DOI: <a href="https://dx.doi.org/10.1115/ICONE26-81020">10.1115/ICONE26-81020</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/30198.
dc.identifier.doi10.1115/ICONE26-81020pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-7308-5784
dc.identifier.orcidhttps://orcid.org/0000-0002-2181-8704
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/30198
dc.localNew York, NY, USApt_BR
dc.local.eventoLondon, Englandpt_BR
dc.publisherASMEpt_BR
dc.rightsclosedAccesspt_BR
dc.titleUncertainty evaluation and sensitivity analysis under accident scenariospt_BR
dc.typeTexto completo de eventopt_BR
dspace.entity.typePublication
ipen.autorANTONIO TEIXEIRA E SILVA
ipen.autorDANIEL DE SOUZA GOMES
ipen.codigoautor1085
ipen.codigoautor7670
ipen.contributor.ipenauthorANTONIO TEIXEIRA E SILVA
ipen.contributor.ipenauthorDANIEL DE SOUZA GOMES
ipen.date.recebimento19-10
ipen.event.datapadronizada2018pt_BR
ipen.identifier.ipendoc25989pt_BR
ipen.notas.internasProceedingspt_BR
ipen.type.genreArtigo
relation.isAuthorOfPublication76359599-f842-443b-ab16-8a7caaac1bac
relation.isAuthorOfPublication090e1d1e-dfb3-4120-8d6f-1374e82feb2b
relation.isAuthorOfPublication.latestForDiscovery090e1d1e-dfb3-4120-8d6f-1374e82feb2b
sigepi.autor.atividadeSILVA, ANTONIO T. e:1085:420:Npt_BR
sigepi.autor.atividadeGOMES, DANIEL de S.:7670:420:Spt_BR
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