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Multiple impinging jet air-assisted atomization

2018-03-18Journal article Restricted access
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dc.contributor.authorPizziol, Bruno
dc.contributor.authorCosta, Mário
dc.contributor.authorPanão, Miguel
dc.contributor.authorSilva, A. R. R.
dc.date.accessioned2018-05-09T08:46:05Z
dc.date.available2018-05-09T08:46:05Z
dc.date.issued2018-03-18
dc.description.abstractThe growth of the aviation sector triggered the search for alternative fuels and continued improvements in the combustion process. This study addresses the technological challenges associated with spray systems and the concern of mixing biofuels with fossil fuels to produce alternative and more ecological fuels for aviation. This work proposes a new injector design based on sprays produced from the simultaneous impact of multiple jets, using an additional jet of air to assist the atomization process. The results evidence the ability to control the average droplet size through the air mass flow rate. Depending on the air mass flow rate there is a transition between atomization by a hydrodynamic breakup of the liquid sheet formed on the impact point, to an aerodynamic breakup mechanism, as found in the atomization of inclined jets under cross-flow conditions. The aerodynamic shear breakup deteriorates the atomization performance, but within the same order of magnitude of the atomization efficiency. Finally, despite using different configurations (2, 3 and 4-impinging jets), the outcome is similar is terms of the sizes of drops produced, although increasing the number of impinging jets also implies some deterioration of the atomization efficiency.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationB. Pizziol, M. Costa, M. Oliveira Panão, A. Silva, Multiple Impinging Jet Air-Assisted Atomization, Experimental Thermal and Fluid Science (2018), doi: https://doi.org/10.1016/j.expthermflusci. 2018.03.019pt_PT
dc.identifier.doi10.1016/j.expthermflusci.2018.03.019pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/4748
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationAssociate Laboratory of Energy, Transports and Aeronautics
dc.relation.publisherversionhttps://doi.org/10.1016/j.expthermflusci.2018.03.019pt_PT
dc.subjectImpinging jets atomizationpt_PT
dc.subjectAir-assistedpt_PT
dc.subjectBiodieselpt_PT
dc.titleMultiple impinging jet air-assisted atomizationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAssociate Laboratory of Energy, Transports and Aeronautics
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FEMS%2F50022%2F2013/PT
oaire.citation.endPage310pt_PT
oaire.citation.startPage303pt_PT
oaire.citation.titleExperimental Thermal and Fluid Sciencept_PT
oaire.citation.volume96pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameCosta
person.familyNamePanão
person.familyNameResende Rodrigues da Silva
person.givenNameMario
person.givenNameMiguel Rosa Oliveira
person.givenNameAndré
person.identifier78749
person.identifiertnDRoxYAAAAJ
person.identifierJ-4185-2012
person.identifier.ciencia-id1C11-B8E3-8FDF
person.identifier.ciencia-id181F-16AE-4536
person.identifier.ciencia-id8219-4B2B-E1C7
person.identifier.orcid0000-0002-3118-2762
person.identifier.orcid0000-0001-9561-9268
person.identifier.orcid0000-0002-4901-7140
person.identifier.ridG-5329-2010
person.identifier.scopus-author-id56343088300
person.identifier.scopus-author-id8900941900
person.identifier.scopus-author-id11440407500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.embargofctCopyright cedido à editora no momento da publicaçãopt_PT
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication1bcdeaa7-6e37-473d-a9d5-f7f2d0b0eead
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