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Computational study on the influence of nozzle eccentricity in spray formation by means of Eulerian Sigma-Y coupled simulations in diesel injection nozzles

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Computational study on the influence of nozzle eccentricity in spray formation by means of Eulerian Sigma-Y coupled simulations in diesel injection nozzles

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dc.contributor.author Salvador, Francisco Javier es_ES
dc.contributor.author Pastor Enguídanos, José Manuel es_ES
dc.contributor.author De La Morena, Joaquín es_ES
dc.contributor.author Martínez-Miracle-Muñoz, Enrique Carlos es_ES
dc.date.accessioned 2021-07-16T03:31:32Z
dc.date.available 2021-07-16T03:31:32Z
dc.date.issued 2020-08 es_ES
dc.identifier.issn 0301-9322 es_ES
dc.identifier.uri http://hdl.handle.net/10251/169347
dc.description.abstract [EN] The present work analyses the effect of the eccentricity of diesel nozzle orifices over the spray behaviour by means of CFD simulations. Several orifice geometries with varying horizontal eccentricity (from 0.50 to 0.94) are selected. Their performance is assessed at a high injection pressure of 200 MPa, a 3 MPa back-pressure and non-evaporative conditions. The nozzle flow characteristics, including cavitation modelled by a Homogeneous Relaxation Model (HRM), are accounted for in the spray performance by means of a Sigma - Y model. The code is validated via two reference nozzles, the so called "Spray A" of the Engine Combustion Network plus a second nozzle from a production injector, and then extended to the eccentric geometries. The results and discussions include spray angle and penetration, air entrainment and flow parameters of the nozzle inner conditions versus the eccentricity value. es_ES
dc.description.sponsorship The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the Ministerio de Ciencia, Innovacion y Universidades of the Spanish Government. The PhD studies by Enrique C. Martinez-Miracle have been funded by Agencia Estatal de Investigacion of the Spanish Government and the ESF (European Social Fund), project "Desarrollo de modelos de combustion y emisiones HPC para el analisis de plantas propulsivas de transporte sostenibles"(TRA2017-89139-C2-1-R) bymeans of the "Subprograma Estatal de Formacion del Programa Estatal de Promocion del Talento y su Empleabilidad en I+D+i". es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof International Journal of Multiphase Flow es_ES
dc.rights Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) es_ES
dc.subject Sigma - Y model es_ES
dc.subject HRM es_ES
dc.subject Eccentricity es_ES
dc.subject Diesel es_ES
dc.subject Spray es_ES
dc.subject Atomization es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Computational study on the influence of nozzle eccentricity in spray formation by means of Eulerian Sigma-Y coupled simulations in diesel injection nozzles es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.ijmultiphaseflow.2020.103338 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/TRA2017-89139-C2-1-R/ES/DESARROLLO DE MODELOS DE COMBUSTION Y EMISIONES HPC PARA EL ANALISIS DE PLANTAS PROPULSIVAS DE TRANSPORTE SOSTENIBLES/ 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 Salvador, FJ.; Pastor Enguídanos, JM.; De La Morena, J.; Martínez-Miracle-Muñoz, EC. (2020). Computational study on the influence of nozzle eccentricity in spray formation by means of Eulerian Sigma-Y coupled simulations in diesel injection nozzles. International Journal of Multiphase Flow. 129:1-19. https://doi.org/10.1016/j.ijmultiphaseflow.2020.103338 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.ijmultiphaseflow.2020.103338 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 19 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 129 es_ES
dc.relation.pasarela S\412723 es_ES
dc.contributor.funder European Social Fund es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
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