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Turbulent Energy Budgets of a Ground Vortex Flow

2013-05Journal article Open access
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dc.contributor.authorBarata, Jorge M M
dc.contributor.authorSantos, Pedro José da Costa Teixeira
dc.contributor.authorSilva, André
dc.contributor.authorDurão, Diamantino
dc.date.accessioned2022-01-06T15:32:30Z
dc.date.available2022-01-06T15:32:30Z
dc.date.issued2013-05
dc.description.abstractTurbulent kinetic energy budgets are presented for a highly curved flow generated by the collision of plane wall turbulent jet with a low-velocity boundary layer. The different terms are obtained in the vertical plane of symmetry by quadratic interpolation of the LDV (Laser Doppler Velocimetry) measurements, for a wall jet-to-boundary layer velocity ratio of 2. The results, which have relevance to flows encountered in powered-lift aircraft operating in ground effect, quantify the structure of the complex ground vortex flow. The analysis of turbulent energy equation terms using the measured data revealed that production by normal and shear stresses are both very important to the turbulent structure of the impact zone of the ground vortex. This is an indication that the modeling of turbulence of a ground vortex requires a good representation of the production by normal stresses which is most important in the collision zone.pt_PT
dc.description.sponsorshipFundação para a Ciência e a Tecnologiapt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.17265/2159-5275/2013.05.006pt_PT
dc.identifier.issn2159-5275
dc.identifier.urihttp://hdl.handle.net/10400.6/11553
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherDavid Publishing Companypt_PT
dc.relationTurbulent Structure of the Impact Zone of a Ground Vortex Flow
dc.relation.publisherversionhttp://www.davidpublisher.com/Public/uploads/Contribute/551a50c7cd910.pdfpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectV/STOL (vertical/short take-off and landing)pt_PT
dc.subjectGround vortexpt_PT
dc.subjectTurbulencept_PT
dc.subjectComplex flowspt_PT
dc.titleTurbulent Energy Budgets of a Ground Vortex Flowpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleTurbulent Structure of the Impact Zone of a Ground Vortex Flow
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FEME-MFE%2F102190%2F2008/PT
oaire.citation.endPage324pt_PT
oaire.citation.issue5pt_PT
oaire.citation.startPage311pt_PT
oaire.citation.titleJournal of Mechanics Engineering and Automationpt_PT
oaire.citation.volume3pt_PT
oaire.fundingStream5876-PPCDTI
person.familyNameMartins Barata
person.familyNameResende Rodrigues da Silva
person.familyNameDurão
person.givenNameJorge Manuel
person.givenNameAndré
person.givenNameDiamantino
person.identifierhFY_5JYAAAAJ&hl
person.identifierJ-4185-2012
person.identifier.ciencia-idF611-BBCC-DAA8
person.identifier.ciencia-id8219-4B2B-E1C7
person.identifier.orcid0000-0001-9014-5008
person.identifier.orcid0000-0002-4901-7140
person.identifier.orcid0000-0001-5443-5382
person.identifier.scopus-author-id11439470600
person.identifier.scopus-author-id11440407500
person.identifier.scopus-author-id7005535590
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication908e150d-3890-457c-b5da-09c84671cb93
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