Subcritical boron experiments in the IPEN/MB-01 reactor

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dc.contributor.authorSANTOS, A. dospt_BR
dc.contributor.authorSOUZA, G.S.pt_BR
dc.contributor.authorSANTOS, D.F.pt_BR
dc.contributor.authorANDRADE, D.A.pt_BR
dc.coverageInternacionalpt_BR
dc.creator.eventoEUROPEAN RESEARCH REACTOR CONFERENCEpt_BR
dc.date.accessioned2019-08-27T11:48:10Z
dc.date.available2019-08-27T11:48:10Z
dc.date.eventoMarch 24-28, 2019pt_BR
dc.description.abstractMacroscopic (APSD and CPSD) and microscopic (Rossi-α) neutron noise experiments were performed in the IPEN/MB-01 reactor in order to measure subcritical reactivities. Subcritical states of up to around -6600 pcm were reached with insertion of boric acid (H3BO3) into the moderator tank. The subcritical kinetic model of Gandini and Salvatores was employed to infer the relative power between two consecutive subcritical cases, the subcritical reactivity (𝜌gen), and the subcriticality index (𝜁). This experimental methodology to measure these parameters was successfully employed in a previous experiment performed in the IPEN/MB-01 reactor. The measured subcritical reactivities are in good agreement for the APSD and Rossi-α cases. However, some drawbacks were found for the CPSD cases due to difficulties in the establishment of the cutoff frequency. The MCNP6.1 calculated subcritical reactivities were in a good agreement to APSD´s and Rossi-α measurement values. The ENDF/B-VII.0 nuclear data library was employed in all cases.pt_BR
dc.event.siglaRRFMpt_BR
dc.identifier.citationSANTOS, A. dos; SOUZA, G.S.; SANTOS, D.F.; ANDRADE, D.A. Subcritical boron experiments in the IPEN/MB-01 reactor. In: EUROPEAN RESEARCH REACTOR CONFERENCE, March 24-28, 2019, Jordan. <b>Proceedings...</b> Brussels, Belgium: European Nuclear Society, 2019. Disponível em: http://repositorio.ipen.br/handle/123456789/30123.
dc.identifier.orcid0000-0002-6689-3011pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-6689-3011
dc.identifier.orcidhttps://orcid.org/0000-0002-5989-5705
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/30123
dc.localBrussels, Belgiumpt_BR
dc.local.eventoJordanpt_BR
dc.publisherEuropean Nuclear Societypt_BR
dc.rightsopenAccesspt_BR
dc.subjectboron
dc.subjectreactor noise
dc.subjectamplifiers
dc.subjectcriticality
dc.subjectsubcritical assemblies
dc.subjectipen-mb-1 reactor
dc.subjectneutrons
dc.subjectresearch reactors
dc.subjectdata processing
dc.titleSubcritical boron experiments in the IPEN/MB-01 reactorpt_BR
dc.typeTexto completo de eventopt_BR
dspace.entity.typePublication
ipen.autorDIOGO FELICIANO DOS SANTOS
ipen.autorDELVONEI ALVES DE ANDRADE
ipen.autorGREGORIO SOARES DE SOUZA
ipen.autorADIMIR DOS SANTOS
ipen.codigoautor11272
ipen.codigoautor1258
ipen.codigoautor5972
ipen.codigoautor35
ipen.contributor.ipenauthorDIOGO FELICIANO DOS SANTOS
ipen.contributor.ipenauthorDELVONEI ALVES DE ANDRADE
ipen.contributor.ipenauthorGREGORIO SOARES DE SOUZA
ipen.contributor.ipenauthorADIMIR DOS SANTOS
ipen.date.recebimento19-08
ipen.event.datapadronizada2019pt_BR
ipen.identifier.ipendoc25917pt_BR
ipen.notas.internasProceedingspt_BR
ipen.type.genreArtigo
relation.isAuthorOfPublicationf853d397-4971-47c5-a915-dba987cc4a13
relation.isAuthorOfPublication0eeb4436-68e5-4573-a603-35f5fc912178
relation.isAuthorOfPublicationccf5533a-7bb7-41fa-8da3-8fe4218092a6
relation.isAuthorOfPublication028075df-b2b9-4e6a-a300-e744b2a9d63f
relation.isAuthorOfPublication.latestForDiscovery028075df-b2b9-4e6a-a300-e744b2a9d63f
sigepi.autor.atividadeANDRADE, D.A.:1258:420:Npt_BR
sigepi.autor.atividadeSANTOS, D.F.:11272:420:Npt_BR
sigepi.autor.atividadeSOUZA, G.S.:5972:420:Npt_BR
sigepi.autor.atividadeSANTOS, A. dos:35:420:Spt_BR
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