Frozen core-annular flow model for effervescent atomizer

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorFed Univ Rio Grande Do Sul UFRGS-
Autor(es): dc.contributorTechnol Inst Aeronaut (ITA)-
Autor(es): dc.creatorAmaro, Jordan-
Autor(es): dc.creatorMendiburu, Andres Z.-
Autor(es): dc.creatorSantos, Leila Ribeiro dos-
Autor(es): dc.creatorCarvalho Jr, Joao A. de-
Data de aceite: dc.date.accessioned2025-08-21T18:13:32Z-
Data de disponibilização: dc.date.available2025-08-21T18:13:32Z-
Data de envio: dc.date.issued2022-11-29-
Data de envio: dc.date.issued2022-11-29-
Data de envio: dc.date.issued2022-10-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s40430-022-03681-x-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/237858-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/237858-
Descrição: dc.descriptionThis research consists in the development of a frozen core-annular flow model to estimate the physical variables of the fluids at the exit orifice of the effervescent atomizer. The model is validated through experimental results of the mean thickness of the ligaments, obtaining excellent estimates for GLR >= 1.0%. The model is used to simulate five operating conditions in 17 effervescent atomizers. The results obtained show that the geometric variables defining the atomizer design have no significant influence on the estimated physical variables. The estimated physical variables are: (a) gas volume fraction, (b) dimensionless two-phase pressure, (c) dimensionless gas temperature, (d) dimensionless two-phase density, (e) liquid velocity, (f) gas velocity, and (g) liquid thickness. The ranges for the velocity and thickness of the liquid are [7.976, 26.892 m/s] and [165, 641 mu m], respectively. Finally, a dimensionless model is established to estimate the integral Sauter mean diameter (ID32) of the spray droplets. The dimensionless model is characterized by having R-2 = 0.734 and RMSE = 3.165, so it is considered good for making future predictions.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionSao Paulo State Univ UNESP, Engn Sch, Chem & Energy Dept, Campus Guaratingueta, BR-12510410 Sao Paulo, SP, Brazil-
Descrição: dc.descriptionFed Univ Rio Grande Do Sul UFRGS, Dept Mech Engn, BR-90050170 Porto Alegre, RS, Brazil-
Descrição: dc.descriptionTechnol Inst Aeronaut ITA, Combust Prop & Energy Lab, BR-12228900 Sao Jose Dos Campos, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ UNESP, Engn Sch, Chem & Energy Dept, Campus Guaratingueta, BR-12510410 Sao Paulo, SP, Brazil-
Descrição: dc.descriptionCAPES: 001-
Formato: dc.format20-
Idioma: dc.languageen-
Publicador: dc.publisherSpringer-
Relação: dc.relationJournal Of The Brazilian Society Of Mechanical Sciences And Engineering-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectEffervescent atomization-
Palavras-chave: dc.subjectSpray-
Palavras-chave: dc.subjectModel-
Título: dc.titleFrozen core-annular flow model for effervescent atomizer-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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