Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFMG |
Texto Completo: | https://doi.org/10.34117/bjdv8n9-049 http://hdl.handle.net/1843/60677 https://orcid.org/0000-0002-2445-3800 https://orcid.org/0000-0001-5999-9961 |
Resumo: | The Spent Fuel Pool (SFP) of Angra II, from Brazil, has received standard spent fuel (SF) assemblies of Uranium dioxide (UO2) discharged from Pressurized Water Reactors (PWR) of the Nuclear Power Plants (NPP) of Angra since the beginning of its operation. However, in case of using Mixed Oxide (MOX) or Thorium-based fuels, it would require further thermal studies of wet storage. It includes the determination of the water boiling time (Tb) of the SFP in case of breakdown of its external cooling system (ECS). This work presents studies of Tb of a simulated SFP storing mixed SF discharged from PWRs. The types of mixed SF studied include MOX plus UO2, oxide of thorium/uranium (U-Th)O2 plus UO2, and oxide of Thorium/transuranic (TRU-Th)O2 plus UO2. The simulations were implemented in CFX Ansys considering the top of the SFP as either adiabatic or non-adiabatic wall. Tb is considerably higher when the non-adiabatic boundary condition is used. |
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2023-11-08T22:20:38Z2023-11-08T22:20:38Z2022896111661125https://doi.org/10.34117/bjdv8n9-0492525-8761http://hdl.handle.net/1843/60677https://orcid.org/0000-0002-2445-3800https://orcid.org/0000-0001-5999-9961The Spent Fuel Pool (SFP) of Angra II, from Brazil, has received standard spent fuel (SF) assemblies of Uranium dioxide (UO2) discharged from Pressurized Water Reactors (PWR) of the Nuclear Power Plants (NPP) of Angra since the beginning of its operation. However, in case of using Mixed Oxide (MOX) or Thorium-based fuels, it would require further thermal studies of wet storage. It includes the determination of the water boiling time (Tb) of the SFP in case of breakdown of its external cooling system (ECS). This work presents studies of Tb of a simulated SFP storing mixed SF discharged from PWRs. The types of mixed SF studied include MOX plus UO2, oxide of thorium/uranium (U-Th)O2 plus UO2, and oxide of Thorium/transuranic (TRU-Th)O2 plus UO2. The simulations were implemented in CFX Ansys considering the top of the SFP as either adiabatic or non-adiabatic wall. Tb is considerably higher when the non-adiabatic boundary condition is used.O Pool de Combustível Irradiado (SFP) de Angra II, do Brasil, recebeu desde o início de sua operação conjuntos padrão de combustível queimado (SF) de dióxido de urânio (UO2) descarregado de Reatores de Água Pressurizada (PWR) das Usinas Nucleares (PNPP) de Angra. Entretanto, em caso de utilização de combustíveis à base de óxido misto (MOX) ou de tório, seriam necessários mais estudos térmicos de armazenamento úmido. Inclui a determinação do tempo de ebulição da água (Tb) do SFP em casode falha de seu sistema de resfriamento externo (ECS). Este trabalho apresenta estudos de Tb de um SFP simulado que armazena SF misturado descarregado de PWRs. Os tipos de SF mistos estudados incluem MOX mais UO2, óxido de tório/urânio (U-Th)O2 mais UO2, e óxido de tório/transurânico (TRU-Th)O2 mais UO2. As simulações foram implementadas no CFX Ansys considerando o topo do SFP como adiabático ou parede não adiabática. Tb é consideravelmente maior quando a condição de limite não-adiabático é utilizada.CNPq - Conselho Nacional de Desenvolvimento Científico e TecnológicoFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas GeraisCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível SuperiorengUniversidade Federal de Minas GeraisUFMGBrasilENG - DEPARTAMENTO DE ENGENHARIA NUCLEARBrazilian journal of developmentDinâmica dos fluidos computacionalCombustiveis nuclearesReatores de agua pressurizadaSpent fuel poolComputational fluid dynamicCFX AnsysWater boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditionsTempo de ebulição da água em uma piscina de combustível usado com condições adiabáticas e não adiabáticasinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttps://ojs.brazilianjournals.com.br/ojs/index.php/BRJD/article/view/51774Fernando Pereira de FariaDario Martin GodinoSantiago Francisco CorzoDamián Enrique RamajoAntonella Lombardi CostaCláubia Pereira Bezerra Limaapplication/pdfinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFMGinstname:Universidade Federal de Minas Gerais (UFMG)instacron:UFMGLICENSELicense.txtLicense.txttext/plain; charset=utf-82042https://repositorio.ufmg.br/bitstream/1843/60677/1/License.txtfa505098d172de0bc8864fc1287ffe22MD51ORIGINALWater boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions.pdfWater boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions.pdfapplication/pdf436837https://repositorio.ufmg.br/bitstream/1843/60677/2/Water%20boiling%20time%20in%20a%20spent%20fuel%20pool%20with%20adiabatic%20and%20non-adiabatic%20boundary%20conditions.pdf809205257d0ed6bde5dc9e6061cfe778MD521843/606772023-11-08 19:20:38.791oai:repositorio.ufmg.br:1843/60677Repositório de PublicaçõesPUBhttps://repositorio.ufmg.br/oaiopendoar:2023-11-08T22:20:38Repositório Institucional da UFMG - Universidade Federal de Minas Gerais (UFMG)false |
dc.title.pt_BR.fl_str_mv |
Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions |
dc.title.alternative.pt_BR.fl_str_mv |
Tempo de ebulição da água em uma piscina de combustível usado com condições adiabáticas e não adiabáticas |
title |
Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions |
spellingShingle |
Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions Fernando Pereira de Faria Spent fuel pool Computational fluid dynamic CFX Ansys Dinâmica dos fluidos computacional Combustiveis nucleares Reatores de agua pressurizada |
title_short |
Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions |
title_full |
Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions |
title_fullStr |
Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions |
title_full_unstemmed |
Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions |
title_sort |
Water boiling time in a spent fuel pool with adiabatic and non-adiabatic boundary conditions |
author |
Fernando Pereira de Faria |
author_facet |
Fernando Pereira de Faria Dario Martin Godino Santiago Francisco Corzo Damián Enrique Ramajo Antonella Lombardi Costa Cláubia Pereira Bezerra Lima |
author_role |
author |
author2 |
Dario Martin Godino Santiago Francisco Corzo Damián Enrique Ramajo Antonella Lombardi Costa Cláubia Pereira Bezerra Lima |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Fernando Pereira de Faria Dario Martin Godino Santiago Francisco Corzo Damián Enrique Ramajo Antonella Lombardi Costa Cláubia Pereira Bezerra Lima |
dc.subject.por.fl_str_mv |
Spent fuel pool Computational fluid dynamic CFX Ansys |
topic |
Spent fuel pool Computational fluid dynamic CFX Ansys Dinâmica dos fluidos computacional Combustiveis nucleares Reatores de agua pressurizada |
dc.subject.other.pt_BR.fl_str_mv |
Dinâmica dos fluidos computacional Combustiveis nucleares Reatores de agua pressurizada |
description |
The Spent Fuel Pool (SFP) of Angra II, from Brazil, has received standard spent fuel (SF) assemblies of Uranium dioxide (UO2) discharged from Pressurized Water Reactors (PWR) of the Nuclear Power Plants (NPP) of Angra since the beginning of its operation. However, in case of using Mixed Oxide (MOX) or Thorium-based fuels, it would require further thermal studies of wet storage. It includes the determination of the water boiling time (Tb) of the SFP in case of breakdown of its external cooling system (ECS). This work presents studies of Tb of a simulated SFP storing mixed SF discharged from PWRs. The types of mixed SF studied include MOX plus UO2, oxide of thorium/uranium (U-Th)O2 plus UO2, and oxide of Thorium/transuranic (TRU-Th)O2 plus UO2. The simulations were implemented in CFX Ansys considering the top of the SFP as either adiabatic or non-adiabatic wall. Tb is considerably higher when the non-adiabatic boundary condition is used. |
publishDate |
2022 |
dc.date.issued.fl_str_mv |
2022 |
dc.date.accessioned.fl_str_mv |
2023-11-08T22:20:38Z |
dc.date.available.fl_str_mv |
2023-11-08T22:20:38Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/1843/60677 |
dc.identifier.doi.pt_BR.fl_str_mv |
https://doi.org/10.34117/bjdv8n9-049 |
dc.identifier.issn.pt_BR.fl_str_mv |
2525-8761 |
dc.identifier.orcid.pt_BR.fl_str_mv |
https://orcid.org/0000-0002-2445-3800 https://orcid.org/0000-0001-5999-9961 |
url |
https://doi.org/10.34117/bjdv8n9-049 http://hdl.handle.net/1843/60677 https://orcid.org/0000-0002-2445-3800 https://orcid.org/0000-0001-5999-9961 |
identifier_str_mv |
2525-8761 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Brazilian journal of development |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais |
dc.publisher.initials.fl_str_mv |
UFMG |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
ENG - DEPARTAMENTO DE ENGENHARIA NUCLEAR |
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Universidade Federal de Minas Gerais |
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