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Large-eddy simulation analysis of the influence of the needle lift on the cavitation in diesel injector nozzles

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Large-eddy simulation analysis of the influence of the needle lift on the cavitation in diesel injector nozzles

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dc.contributor.author Desantes Fernández, José Mª es_ES
dc.contributor.author Salvador Rubio, Francisco Javier es_ES
dc.contributor.author Carreres Talens, Marcos es_ES
dc.contributor.author Martínez López, Jorge es_ES
dc.date.accessioned 2016-06-15T11:14:54Z
dc.date.available 2016-06-15T11:14:54Z
dc.date.issued 2015-03
dc.identifier.issn 0954-4070
dc.identifier.uri http://hdl.handle.net/10251/65966
dc.description.abstract The cavitation phenomenon has a strong influence on the internal flow and spray development in diesel injector nozzles. Despite its importance, there are many aspects which still remain unclear, especially for partial needle lifts when the injector is in the opening and closing phases. For that reason, the current paper is focused on the influence of the needle lift on the internal flow in a diesel nozzle. This study was carried out with three-dimensional simulations at a high injection pressure (160 MPa) using a homogeneous equilibrium model implemented in OpenFOAM to model the cavitation phenomenon. The nozzle was simulated with large-eddy simulation methods at six different needle lifts (10 mm, 30 mm, 50 mm, 75 mm, 100 mm and 250 mm), providing relevant information about the evolution of the internal flow, the turbulence development (the vorticity, the turbulence–cavitation interaction and the turbulent structures) and the flow characteristics in the nozzle outlet (the mass flow, the momentum flux and the effective velocity) with the needle position. es_ES
dc.language Inglés es_ES
dc.publisher SAGE Publications (UK and US) es_ES
dc.relation.ispartof Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Cavitation es_ES
dc.subject Needle lift es_ES
dc.subject Large-eddy simulations es_ES
dc.subject Diesel es_ES
dc.subject Nozzle es_ES
dc.subject.classification INGENIERIA AEROESPACIAL es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Large-eddy simulation analysis of the influence of the needle lift on the cavitation in diesel injector nozzles es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1177/0954407014542627
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 Desantes Fernández, JM.; Salvador Rubio, FJ.; Carreres Talens, M.; Martínez López, J. (2015). Large-eddy simulation analysis of the influence of the needle lift on the cavitation in diesel injector nozzles. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 229(4):407-423. doi:10.1177/0954407014542627 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1177/0954407014542627 es_ES
dc.description.upvformatpinicio 407 es_ES
dc.description.upvformatpfin 423 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 229 es_ES
dc.description.issue 4 es_ES
dc.relation.senia 282530 es_ES
dc.identifier.eissn 2041-2991
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