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Analysis of the Influence of Diesel Spray Injection on the Ignition and Soot Formation in Multiple Injection Strategy

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Analysis of the Influence of Diesel Spray Injection on the Ignition and Soot Formation in Multiple Injection Strategy

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dc.contributor.author Payri, Raul es_ES
dc.contributor.author García-Oliver, José M es_ES
dc.contributor.author Mendoza, Victor es_ES
dc.contributor.author Viera, Alberto es_ES
dc.date.accessioned 2021-06-04T03:31:44Z
dc.date.available 2021-06-04T03:31:44Z
dc.date.issued 2020-07 es_ES
dc.identifier.uri http://hdl.handle.net/10251/167315
dc.description.abstract [EN] Multiple injection strategies have increased their capabilities along with the evolution of injection system technologies up to the point that nowadays it is possible to inject eight different pulses, permitting to improve the engine performance, and consequently, emissions. The present work was realized for two simplified strategies: a pilot-main and a main-post, in order to analyze the influence of an auxiliary pulse on the main and otherwise, in reactive conditions for two pilot/post quantities and four hydraulic dwell times. The study was carried out by employing two optical techniques: diffused back-illumination with flame bandpass chemiluminescence for measuring soot, represented by soot-maps distribution, and single-pass schlieren for ignition delay (ID). Furthermore, a novel methodology for decoupling the start of combustion (SOC) of the second pulse was developed and successfully validated. From the ignition delay results, it was found for all test points that the pilot injection enhanced conditions, which promote a faster ignition of the main pulse, also at higher chamber temperatures, all conditions presented a separate combustion event for each injection. In emission terms, soot increased in the pilot-main strategies compared to its single injection case, as well as, in conditions that promote faster-premixed combustion. es_ES
dc.description.sponsorship This research has been partially funded by Spanish "Ministerio de Ciencia, Innovacion y Universidades" through project RTI2018-099706-B-100. Additionally, the experimental hardware was purchased through FEDER and Generalitat Valenciana under project IDIFEDER/2018/037. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Energies es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Multiple injections es_ES
dc.subject Combustion es_ES
dc.subject Diesel es_ES
dc.subject Spray es_ES
dc.subject Ignition es_ES
dc.subject Optical techniques es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Analysis of the Influence of Diesel Spray Injection on the Ignition and Soot Formation in Multiple Injection Strategy es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/en13133505 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//IDIFEDER%2F2018%2F037/ES/DIAGNÓSTICO ÓPTICO A ALTA VELOCIDAD PARA EL ESTUDIO DE PROCESOS TERMO‐FLUIDODINÁMICOS EN SISTEMAS DE INYECCIÓN/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-099706-B-I00/ES/ESTUDIO DE LA ATOMIZACION PRIMARIA MEDIANTE SIMULACIONES DNS Y TECNICAS OPTICAS DE MUY ALTA RESOLUCION/ 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.; García-Oliver, JM.; Mendoza, V.; Viera, A. (2020). Analysis of the Influence of Diesel Spray Injection on the Ignition and Soot Formation in Multiple Injection Strategy. Energies. 13(13):1-22. https://doi.org/10.3390/en13133505 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/en13133505 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 22 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 13 es_ES
dc.description.issue 13 es_ES
dc.identifier.eissn 1996-1073 es_ES
dc.relation.pasarela S\428003 es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
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