Modelling of Drop Deformation and Breakup

Detalhes bibliográficos
Autor(a) principal: Rodrigues, Christian
Data de Publicação: 2015
Outros Autores: Barata, Jorge M M, Silva, André
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.6/12169
Resumo: The present paper addresses the macroscopic atomization characteristics of liquid-fuel droplets when subjected to the infuence of a high velocity air crossfow. A breakup model is conceived by using a set of correlations available in the literature with the purpose of replicating such phenomena. The computational results are compared against experimental data to validate the model. The results show a reasonable agreement between measurements and predictions in both qualitative and quantitative outcomes evaluated, which sustain the mathematical formulation adopted. However, further improvements may be aspired given the fact that there is a lack of experimental data available when shearing effects come into play in the mechanisms occurring during the atomization process. On the other hand, the use of two fuels (diesel and bio-diesel) allowed to perceive a relevant impact of the liquid properties (particularly surface tension and viscosity) in the characteristics of the fragments resulting from the breakup event.
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spelling Modelling of Drop Deformation and BreakupLiquid FuelsSurface TensionMultiphase FlowsAerodynamic ForceStatic PressureSauter Mean DiameterAir Flow RateAstronauticsGas TurbineAeronauticsAtomization characteristicsAtomization processBreakup modelsDroplet deformationThe present paper addresses the macroscopic atomization characteristics of liquid-fuel droplets when subjected to the infuence of a high velocity air crossfow. A breakup model is conceived by using a set of correlations available in the literature with the purpose of replicating such phenomena. The computational results are compared against experimental data to validate the model. The results show a reasonable agreement between measurements and predictions in both qualitative and quantitative outcomes evaluated, which sustain the mathematical formulation adopted. However, further improvements may be aspired given the fact that there is a lack of experimental data available when shearing effects come into play in the mechanisms occurring during the atomization process. On the other hand, the use of two fuels (diesel and bio-diesel) allowed to perceive a relevant impact of the liquid properties (particularly surface tension and viscosity) in the characteristics of the fragments resulting from the breakup event.Fundação para a Ciência e a TecnologiaAmerican Institute of Aeronautics and Astronautics IncuBibliorumRodrigues, ChristianBarata, Jorge M MSilva, André2015-01-032060-01-03T00:00:00Z2015-01-03T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.6/12169engChristian Rodrigues, Jorge M. Barata, Andre R. Silva Modelling of Drop Deformation and Breakup 53rd AIAA Aerospace Sciences Meeting, SciTech 2015, Kissmmee, FL, EUA, 5-9 janeiro, 2015 DOI: 10.2514/6.2015-1278978-1-62410-343-810.2514/6.2015-1278info:eu-repo/semantics/embargoedAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-12-15T09:55:08Zoai:ubibliorum.ubi.pt:10400.6/12169Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T00:51:50.172459Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Modelling of Drop Deformation and Breakup
title Modelling of Drop Deformation and Breakup
spellingShingle Modelling of Drop Deformation and Breakup
Rodrigues, Christian
Liquid Fuels
Surface Tension
Multiphase Flows
Aerodynamic Force
Static Pressure
Sauter Mean Diameter
Air Flow Rate
Astronautics
Gas Turbine
Aeronautics
Atomization characteristics
Atomization process
Breakup models
Droplet deformation
title_short Modelling of Drop Deformation and Breakup
title_full Modelling of Drop Deformation and Breakup
title_fullStr Modelling of Drop Deformation and Breakup
title_full_unstemmed Modelling of Drop Deformation and Breakup
title_sort Modelling of Drop Deformation and Breakup
author Rodrigues, Christian
author_facet Rodrigues, Christian
Barata, Jorge M M
Silva, André
author_role author
author2 Barata, Jorge M M
Silva, André
author2_role author
author
dc.contributor.none.fl_str_mv uBibliorum
dc.contributor.author.fl_str_mv Rodrigues, Christian
Barata, Jorge M M
Silva, André
dc.subject.por.fl_str_mv Liquid Fuels
Surface Tension
Multiphase Flows
Aerodynamic Force
Static Pressure
Sauter Mean Diameter
Air Flow Rate
Astronautics
Gas Turbine
Aeronautics
Atomization characteristics
Atomization process
Breakup models
Droplet deformation
topic Liquid Fuels
Surface Tension
Multiphase Flows
Aerodynamic Force
Static Pressure
Sauter Mean Diameter
Air Flow Rate
Astronautics
Gas Turbine
Aeronautics
Atomization characteristics
Atomization process
Breakup models
Droplet deformation
description The present paper addresses the macroscopic atomization characteristics of liquid-fuel droplets when subjected to the infuence of a high velocity air crossfow. A breakup model is conceived by using a set of correlations available in the literature with the purpose of replicating such phenomena. The computational results are compared against experimental data to validate the model. The results show a reasonable agreement between measurements and predictions in both qualitative and quantitative outcomes evaluated, which sustain the mathematical formulation adopted. However, further improvements may be aspired given the fact that there is a lack of experimental data available when shearing effects come into play in the mechanisms occurring during the atomization process. On the other hand, the use of two fuels (diesel and bio-diesel) allowed to perceive a relevant impact of the liquid properties (particularly surface tension and viscosity) in the characteristics of the fragments resulting from the breakup event.
publishDate 2015
dc.date.none.fl_str_mv 2015-01-03
2015-01-03T00:00:00Z
2060-01-03T00:00:00Z
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/10400.6/12169
url http://hdl.handle.net/10400.6/12169
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Christian Rodrigues, Jorge M. Barata, Andre R. Silva Modelling of Drop Deformation and Breakup 53rd AIAA Aerospace Sciences Meeting, SciTech 2015, Kissmmee, FL, EUA, 5-9 janeiro, 2015 DOI: 10.2514/6.2015-1278
978-1-62410-343-8
10.2514/6.2015-1278
dc.rights.driver.fl_str_mv info:eu-repo/semantics/embargoedAccess
eu_rights_str_mv embargoedAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Institute of Aeronautics and Astronautics Inc
publisher.none.fl_str_mv American Institute of Aeronautics and Astronautics Inc
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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