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A numerical study of the effect of nozzle diameter on diesel combustion ignition and flame stabilization

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A numerical study of the effect of nozzle diameter on diesel combustion ignition and flame stabilization

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dc.contributor.author Desantes Fernández, José Mª es_ES
dc.contributor.author García-Oliver, José M es_ES
dc.contributor.author Novella Rosa, Ricardo es_ES
dc.contributor.author Pachano-Prieto, Leonardo Manuel es_ES
dc.date.accessioned 2021-09-03T03:33:36Z
dc.date.available 2021-09-03T03:33:36Z
dc.date.issued 2020-01 es_ES
dc.identifier.issn 1468-0874 es_ES
dc.identifier.uri http://hdl.handle.net/10251/171315
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/10.1177/1468087419864203. es_ES
dc.description.abstract [EN] The role of nozzle diameter on diesel combustion is studied by performing computational fluid dynamics calculations of Spray A and Spray D from the Engine Combustion Network. These are well-characterized single-hole sprays in a quiescent environment chamber with thermodynamic conditions representative of modern diesel engines. First, the inert spray evolution is described with the inclusion of the concept of mixing trajectories and local residence time into the analysis. Such concepts enable the quantification of the mixing rate, showing that it decreases with the increase in nozzle diameter. In a second step, the reacting spray evolution is studied focusing on the local heat release rate distribution during the auto-ignition sequence and the quasi-steady state. The capability of a well-mixed-based and a flamelet-based combustion model to predict diesel combustion is also assessed. On one hand, results show that turbulence-chemistry interaction has a profound effect on the description of the reacting spray evolution. On the other hand, the mixing rate, characterized in terms of the local residence time, drives the main changes introduced by the increase of the nozzle diameter when comparing Spray A and Spray D. 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: The work was partially funded by the Government of Spain through the CHEST Project (TRA2017-89139-C2-1-R) and by Universitat Politecnica de Valencia through the Programa de Ayudas de Investigaciony Desarrollo (PAID-01-16). 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 Diesel spray es_ES
dc.subject Nozzle diameter es_ES
dc.subject Residence time es_ES
dc.subject Well-mixed es_ES
dc.subject Flamelet es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title A numerical study of the effect of nozzle diameter on diesel combustion ignition and flame stabilization es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1177/1468087419864203 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.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-01-16/ 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 Desantes Fernández, JM.; García-Oliver, JM.; Novella Rosa, R.; Pachano-Prieto, LM. (2020). A numerical study of the effect of nozzle diameter on diesel combustion ignition and flame stabilization. International Journal of Engine Research. 21(1):101-121. https://doi.org/10.1177/1468087419864203 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1177/1468087419864203 es_ES
dc.description.upvformatpinicio 101 es_ES
dc.description.upvformatpfin 121 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\391744 es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
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