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Eulerian CFD modeling of nozzle geometry effects on ECN Sprays A and D: assessment and analysis

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Eulerian CFD modeling of nozzle geometry effects on ECN Sprays A and D: assessment and analysis

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dc.contributor.author Pandal, Adrián es_ES
dc.contributor.author García-Oliver, José M es_ES
dc.contributor.author Pastor Enguídanos, José Manuel es_ES
dc.date.accessioned 2021-07-13T03:31:04Z
dc.date.available 2021-07-13T03:31:04Z
dc.date.issued 2020-01 es_ES
dc.identifier.issn 1468-0874 es_ES
dc.identifier.uri http://hdl.handle.net/10251/169146
dc.description This is the author's version of a work that was accepted for publication in International Journal of Engine Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published as https://doi.org/10.1177/1468087419882500. es_ES
dc.description.abstract [EN] Diesel spray modeling is a multi-scale problem with complex interactions between different flow regions, that is, internal nozzle flow, near-nozzle region and developed spray, including evaporation and combustion. There are several modeling approaches that have proven particularly useful for some spray regions although they have struggled at other areas, while Eulerian modeling has shown promise in dealing with all characteristics at a reasonable computational effort for engineering calculations. In this work, the sigma -Y single-fluid diffuse-interface model, based on scale separation assumptions at high Reynolds and Weber numbers, is used to simulate the engine combustion network Sprays A and D within a Reynolds-averaged Navier-Stokes turbulence modeling approach. The study is divided into two parts. First of all, the larger diameter Spray D is modeled from the nozzle flow till evaporative spray conditions, obtaining successful prediction of numerous spray metrics, paying special attention to the near-nozzle region where spray dispersion and interfacial surface area can be validated against measurements conducted at the Advanced Photon Source at Argonne National Laboratory, including both the ultra-small-angle X-ray scattering and the X-ray radiography. Afterwards, an analysis of the modeling predictions is made in comparison with previous results obtained for Spray A, considering the nozzle geometry effects in the modeling behavior. es_ES
dc.description.sponsorship The authors thank the freely shared X-ray radiography and ultra-small-angle X-ray scattering measurements performed at Argonne National Laboratory by the following authors: Daniel J. Duke, Jan Ilavsky, Katarzyna E. Matusik., Brandon A. Sforzo., Alan L. Kastengren and Christopher F. Powell. They also thankfully acknowledge the computer resources at Picasso and the technical support provided by Universidad de Malaga (UMA; RES-FI-2018-1-0039). es_ES
dc.language Inglés es_ES
dc.publisher SAGE Publications es_ES
dc.relation.ispartof International Journal of Engine Research es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Eulerian es_ES
dc.subject Diesel spray es_ES
dc.subject Atomization es_ES
dc.subject ECN es_ES
dc.subject CFD es_ES
dc.subject OpenFOAM es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Eulerian CFD modeling of nozzle geometry effects on ECN Sprays A and D: assessment and analysis es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1177/1468087419882500 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UMA//RES-FI-2018-1-0039/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics es_ES
dc.description.bibliographicCitation Pandal, A.; García-Oliver, JM.; Pastor Enguídanos, JM. (2020). Eulerian CFD modeling of nozzle geometry effects on ECN Sprays A and D: assessment and analysis. International Journal of Engine Research. 21(1):73-88. https://doi.org/10.1177/1468087419882500 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1177/1468087419882500 es_ES
dc.description.upvformatpinicio 73 es_ES
dc.description.upvformatpfin 88 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 21 es_ES
dc.description.issue 1 es_ES
dc.relation.pasarela S\403220 es_ES
dc.contributor.funder Universidad de Málaga es_ES
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