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Experimental Study of the Influence of Gasoline-Diesel Blends on the Combustion Process and Soot Formation under Diesel Engine-Like Conditions

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Experimental Study of the Influence of Gasoline-Diesel Blends on the Combustion Process and Soot Formation under Diesel Engine-Like Conditions

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dc.contributor.author Pastor, José V. es_ES
dc.contributor.author García Martínez, Antonio es_ES
dc.contributor.author Mico Reche, Carlos es_ES
dc.contributor.author Garcia-Carrero, Alba Andreina es_ES
dc.date.accessioned 2021-06-10T03:31:26Z
dc.date.available 2021-06-10T03:31:26Z
dc.date.issued 2020-05-21 es_ES
dc.identifier.issn 0887-0624 es_ES
dc.identifier.uri http://hdl.handle.net/10251/167736
dc.description This document is the Accepted Manuscript version of a Published Work that appeared in final form in Energy & Fuels, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.energyfuels.0c00091. es_ES
dc.description.abstract [EN] Recent research has demonstrated that a reduction in pollutant emissions of diesel engines can be achieved by using high octane fuels such as gasoline, methane, or liquefied petroleum gas. Therefore, in this study, the focus was to investigate the influence of blends of diesel and gasoline on combustion characteristics such as ignition delay, rate of heat release, and lift-off length as well as the influence on soot formation. The experiments were carried out in a test rig with optical access which mimics a single-cylinder diesel engine. Four blends were tested: one blend with 100% diesel and then three diesel-gasoline blends with 30%, 50%, and70% gasoline. The blends were made in volumetric proportions and injected using a common rail injection system without any kind of modification. The ignition delay and the apparent heat release were obtained by means of the in-cylinder pressure signal. Furthermore, the combustion development and soot formation were studied using three optical techniques: OH* chemiluminescence, natural luminosity, and diffused back-illumination extinction imaging (DBI). Different engine operating conditions were analyzed. Results showed that ID increases with the gasoline content in the blend. Similarly, as the reacting time increased, the lift-off length was longer. On the other hand, the apparent rate of heat release decreased due to a reduction of the fuel injection rate, which depends on the density of the blend. In addition, differences in the flame radiation were also observed. Gasoline-diesel blends had less luminosity, which is related to less soot formation. To confirm this, the KL factor obtained from the DBI technique was determined, and it was concluded that increasing the gasoline fraction in the blend reduces soot formation. es_ES
dc.description.sponsorship This research work has been partly funded by the Government of Spain and FEDER under TRANCO project (TRA2017-87694-R) and by Universitat Politecnica de Valencia through the Programa de Ayudas de Investigacion y Desarrollo (PAID-01-18 and PAID-06-18) program. es_ES
dc.language Inglés es_ES
dc.publisher American Chemical Society es_ES
dc.relation.ispartof Energy & Fuels es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.subject.classification INGENIERIA AEROESPACIAL es_ES
dc.title Experimental Study of the Influence of Gasoline-Diesel Blends on the Combustion Process and Soot Formation under Diesel Engine-Like Conditions es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1021/acs.energyfuels.0c00091 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-06-18/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-01-18/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/TRA2017-87694-R/ES/REDUCCION DE CO2 EN EL TRANSPORTE MEDIANTE LA INYECCION DIRECTA DUAL-FUEL DE BIOCOMBUSTIBLES DE SEGUNDA GENERACION/ 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 Pastor, JV.; García Martínez, A.; Mico Reche, C.; Garcia-Carrero, AA. (2020). Experimental Study of the Influence of Gasoline-Diesel Blends on the Combustion Process and Soot Formation under Diesel Engine-Like Conditions. Energy & Fuels. 34(5):5589-5598. https://doi.org/10.1021/acs.energyfuels.0c00091 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1021/acs.energyfuels.0c00091 es_ES
dc.description.upvformatpinicio 5589 es_ES
dc.description.upvformatpfin 5598 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 34 es_ES
dc.description.issue 5 es_ES
dc.relation.pasarela S\412922 es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
dc.contributor.funder European Regional Development Fund es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
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