NUMERICAL ANALYSIS OF NUCLEATE BOILING FLOW IN A PILOT-SCALE THERMOSIPHON

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorUniversidade Regional de Blumenau (FURB)-
Autor(es): dc.creatorBruna Iten Bittelbrunn-
Autor(es): dc.creatorRoberto Fischer Junior-
Autor(es): dc.creatorHarlley Henrique Parno-
Autor(es): dc.creatorHenry França Meier-
Autor(es): dc.creatorJaci Carlo Schramm Câmara Bastos-
Data de aceite: dc.date.accessioned2025-09-01T13:33:46Z-
Data de disponibilização: dc.date.available2025-09-01T13:33:46Z-
Data de envio: dc.date.issued2024-11-12-
Data de envio: dc.date.issued2024-11-12-
Data de envio: dc.date.issued2019-03-08-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/1884/92896-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/1884/92896-
Descrição: dc.descriptionThermosiphons, or natural circulation loops, are circuits in which a flow pattern is driven by buoyancy forces originated from density differences, a consequence of temperature gradient. In this study, an evaporation section was evaluated by numerical simulations, in order to determine heat flux conditions for a pilot-scale thermosiphon. A two-fluid Eulerian-Eulerian model was used to represent multiphase fluid dynamic, including heat transfer and phase change effects. The results showed that a 1000 W rate is enough to generate a nucleate boiling regime. Rates up to 2000 W produce a mean vapor volume fraction greater than 0.30 at boiling region. As a result, the pilot-scale thermosiphon was designed with four 500 W electrical resistances. Keywords: Pilot-scale thermosiphon. Nucleate boiling. CFD.-
Formato: dc.formatapplication/pdf-
Formato: dc.formatapplication/pdf-
Relação: dc.relationIV Simpósio Paranaense de Modelagem, Simulação e Controle de Processos (SIMPROC 2019)-
Título: dc.titleNUMERICAL ANALYSIS OF NUCLEATE BOILING FLOW IN A PILOT-SCALE THERMOSIPHON-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Rede Paraná Acervo

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