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dc.contributor.author | Payri, Raul | es_ES |
dc.contributor.author | De La Morena, Joaquín | es_ES |
dc.contributor.author | Monsalve-Serrano, Javier | es_ES |
dc.contributor.author | Pesce, Francesco Concetto | es_ES |
dc.contributor.author | Vassallo, Alberto | es_ES |
dc.date.accessioned | 2020-12-22T04:32:32Z | |
dc.date.available | 2020-12-22T04:32:32Z | |
dc.date.issued | 2019-01 | es_ES |
dc.identifier.issn | 1468-0874 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/157581 | |
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/10.1177/1468087418819250 | es_ES |
dc.description.abstract | [EN] This article describes the main results of an investigation about counter-bore injector nozzle impact on the combustion process in a modern Euro 6 diesel engine. First, hydraulic and spray visualization tests have been performed, showing a potential advantage of such nozzle design in fuel-air mixing efficiency. Then, combustion performance has been assessed on a GM-designed 1.6-L four-cylinder engine. The engine has been installed on a dynamometric test bench and instrumented with an AVL cylinder pressure transducer for heat release rate analysis, as well as HORIBA MEXA gas analyzer for exhaust emissions and AVL 415 Smoke Meter. Engine efficiency and emissions have been analyzed on four different part-load steady-state points, representative of New European Driving Cycle and Worldwide harmonized Light duty Test Cycle certification cycles, and covering engine speeds from 1250 to 2000 r/min and brake mean effective pressure between 0.2 and 1.4 MPa. Results of indicated analysis show that counter-bore nozzles have significant differences in terms of pilot injection combustion at low load points, which in turn lead to a better ignition and shorter combustion of the main injection. In addition, an improvement of diffusive combustion is observed as load increases. Because of both, fuel consumption is reduced by approximately 1% with respect to a standard nozzle. Finally, an appreciable decrease in engine exhaust emissions has been recorded, especially in terms of particulate matter and hydrocarbon emissions. This reduction has been linked to the improvement of fuel-air mixing promoted by the counter-bore nozzle previously observed. | es_ES |
dc.description.sponsorship | The authors would like to thank General Motors Global Propulsion Systems-Torino S.r.l. for sponsoring the current work. Part of the equipment was purchased with the help of Generalitat Valenciana in project IDIFEDER2018 with title "Equipamiento de diagnostico optico de alta velocidad para estudiar procesos de inyeccion''. | 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 | Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) | es_ES |
dc.subject | Counter-bore | es_ES |
dc.subject | Hydraulic | es_ES |
dc.subject | Spray | es_ES |
dc.subject | Combustion | es_ES |
dc.subject | Emissions | es_ES |
dc.subject.classification | MAQUINAS Y MOTORES TERMICOS | es_ES |
dc.title | Impact of counter-bore nozzle on the combustion process and exhaust emissions for light-duty diesel engine application | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1177/1468087418819250 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/GVA//IDIFEDER%2F2018%2FA%2F037/ES/DIAGNÓSTICO ÓPTICO A ALTA VELOCIDAD PARA EL ESTUDIO DE PROCESOS TERMO-FLUIDODINÁMICOS EN SISTEMAS DE INYECCIÓN/ | 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 | Payri, R.; De La Morena, J.; Monsalve-Serrano, J.; Pesce, FC.; Vassallo, A. (2019). Impact of counter-bore nozzle on the combustion process and exhaust emissions for light-duty diesel engine application. International Journal of Engine Research. 20(1):46-57. https://doi.org/10.1177/1468087418819250 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1177/1468087418819250 | es_ES |
dc.description.upvformatpinicio | 46 | es_ES |
dc.description.upvformatpfin | 57 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 20 | es_ES |
dc.description.issue | 1 | es_ES |
dc.relation.pasarela | S\376283 | es_ES |
dc.contributor.funder | Generalitat Valenciana | es_ES |
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