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dc.creatorCorzo, Santiago Francisco-
dc.creatorRamajo, Damian Enrique-
dc.creatorNigro, Norberto Marcelo-
dc.date2017-07-04T21:47:13Z-
dc.date2017-07-04T21:47:13Z-
dc.date2015-04-
dc.date2017-07-03T19:51:49Z-
dc.date.accessioned2019-04-29T15:35:36Z-
dc.date.available2019-04-29T15:35:36Z-
dc.date.issued2017-07-04T21:47:13Z-
dc.date.issued2017-07-04T21:47:13Z-
dc.date.issued2015-04-
dc.date.issued2017-07-03T19:51:49Z-
dc.identifierCorzo, Santiago Francisco; Ramajo, Damian Enrique; Nigro, Norberto Marcelo; 1/3D modeling of the core coolant circuit of a PHWR nuclear power plant; Elsevier; Annals Of Nuclear Energy; 83; 4-2015; 386-397-
dc.identifier0306-4549-
dc.identifierhttp://hdl.handle.net/11336/19561-
dc.identifierCONICET Digital-
dc.identifierCONICET-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/297372-
dc.descriptionA multi-dimensional computational fluid dynamics (CFD) one-phase model to simulate the incore coolant circuit of a Pressurized Heavy Water Reactor (PHWR) of a nuclear power plant (NPP) was performed. Three-dimensional (3D) detailed modeling of the upper and lower plenums, the downcomer and the hot and cold leg nozzles was combined with finite volume one-dimensional (1D) code for modeling the behavior of all the 451 coolant channels. Suitable functions for introducing the distributed (friction losses) and concentrated (spacer grids, inlet restrictors and outlet throttles) pressure losses were used to consider the local pressure variation along the coolant channels. The special power distribution at each coolant channel was also taken into account. Results were compared with those previously obtained with a 0/3D model getting more realistic temperature patterns at the upper plenum. Although the present model is restricted to one-phase phenomena, the prediction of the local pressure and temperature along the channels allows for a preliminary identification of the location of incipient boiling by comparing with the local saturation temperature. The present model represents an improvement with respect to the previous 0/3D model. It corresponds to the necessary step before achieving a 1/3D two-phase model with which the pressure drop and subcooled boiling along the coolant channels as well as the overall reactor pressure vessel (RPV) void fraction distribution can be evaluated more accurately.-
dc.descriptionFil: Corzo, Santiago Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones En Metodos Computacionales. Universidad Nacional del Litoral. Centro de Investigaciones En Metodos Computacionales; Argentina. Autoridad Regulatoria Nuclear; Argentina-
dc.descriptionFil: Ramajo, Damian Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones En Metodos Computacionales. Universidad Nacional del Litoral. Centro de Investigaciones En Metodos Computacionales; Argentina-
dc.descriptionFil: Nigro, Norberto Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Centro de Investigaciones En Metodos Computacionales. Universidad Nacional del Litoral. Centro de Investigaciones En Metodos Computacionales; Argentina-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherElsevier-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.anucene.2014.12.035-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.subject1/3D modeling-
dc.subjectPHWR-
dc.subjectFlow and thermal distribution-
dc.subjectIngeniería Nuclear-
dc.subjectIngeniería Mecánica-
dc.subjectINGENIERÍAS Y TECNOLOGÍAS-
dc.title1/3D modeling of the core coolant circuit of a PHWR nuclear power plant-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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