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Spray impingement modelling: Evaluation of the dissipative energy loss and influence of an enhanced near-wall treatment

2012-08-24Journal article Open access
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dc.contributor.authorRodrigues, Christian
dc.contributor.authorBarata, Jorge M M
dc.contributor.authorSilva, André
dc.date.accessioned2022-01-04T11:23:59Z
dc.date.available2022-01-04T11:23:59Z
dc.date.issued2012-08-24
dc.description.abstractThe goal of the present research is to contribute to improve the knowledge about the spray impingement topic through a numerical study that is aimed at investigating the impact of using the dissipative energy terms that are available in the literature when they are embedded into a specific dispersion model. Comparing all the numerical approaches, a non-negligible disagreement is observed between the relationship proposed in the original model and the other ones drawn from the literature. This fact evidences the influence of the energy dissipated term on the secondary atomization outcome. The present work also provides a comprehensive study on the estimation of the energy dissipated during the splash event. This is a major contribution to the permanent literature since the few works found only addressed the spread regime. In addition, this paper gives an in-depth analysis on the influence that an enhanced treatment of the boundary layer in the region close to the wall may have in the simulation of such flows. The work revealed that this near-wall droplets tracking method provides an alternative way to increase the accuracy of the dispersed phase and achieve more consistent results without the necessity of a direct mesh refinement.pt_PT
dc.description.sponsorshipFundação para a Ciência e a Tecnologiapt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.fuproc.2012.08.002pt_PT
dc.identifier.issn03783820
dc.identifier.urihttp://hdl.handle.net/10400.6/11550
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevier B. V.pt_PT
dc.relationMODELLING OF A BIOFUEL SPRAY WALL IMPINGEMENT
dc.relation.publisherversionhttps://doi.org/10.1016/j.fuproc.2012.08.002pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectDroplets-wall interactionpt_PT
dc.subjectEnergy dissipationpt_PT
dc.subjectSplash regimept_PT
dc.subjectSpray impingementpt_PT
dc.subjectSecondary atomizationpt_PT
dc.subjectNear-wall treatmentpt_PT
dc.subjectNumerical approachespt_PT
dc.subjectDissipative energy losspt_PT
dc.subjectDispersion modelingpt_PT
dc.titleSpray impingement modelling: Evaluation of the dissipative energy loss and influence of an enhanced near-wall treatmentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMODELLING OF A BIOFUEL SPRAY WALL IMPINGEMENT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F77651%2F2011/PT
oaire.citation.endPage80pt_PT
oaire.citation.startPage71pt_PT
oaire.citation.titleFuel Processing Technologypt_PT
oaire.citation.volume107pt_PT
person.familyNameGomes Rodrigues
person.familyNameMartins Barata
person.familyNameResende Rodrigues da Silva
person.givenNameChristian
person.givenNameJorge Manuel
person.givenNameAndré
person.identifierhFY_5JYAAAAJ&hl
person.identifierJ-4185-2012
person.identifier.ciencia-id7F16-AA19-E5AA
person.identifier.ciencia-idF611-BBCC-DAA8
person.identifier.ciencia-id8219-4B2B-E1C7
person.identifier.orcid0000-0002-8177-4483
person.identifier.orcid0000-0001-9014-5008
person.identifier.orcid0000-0002-4901-7140
person.identifier.ridR-9636-2016
person.identifier.scopus-author-id55341335400
person.identifier.scopus-author-id11439470600
person.identifier.scopus-author-id11440407500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.embargofctsem custos de publicaçãopt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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