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Development of a Variable Valve Actuation Control to Improve Diesel Oxidation Catalyst Efficiency and Emissions in a Light Duty Diesel Engine

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Development of a Variable Valve Actuation Control to Improve Diesel Oxidation Catalyst Efficiency and Emissions in a Light Duty Diesel Engine

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dc.contributor.author Serrano, J.R. es_ES
dc.contributor.author Arnau Martínez, Francisco José es_ES
dc.contributor.author Martín, Jaime es_ES
dc.contributor.author Auñón-García, Ángel es_ES
dc.date.accessioned 2021-06-04T03:32:08Z
dc.date.available 2021-06-04T03:32:08Z
dc.date.issued 2020-09 es_ES
dc.identifier.uri http://hdl.handle.net/10251/167321
dc.description.abstract [EN] Growing interest has arisen to adopt Variable Valve Timing (VVT) technology for automotive engines due to the need to fulfill the pollutant emission regulations. Several VVT strategies, such as the exhaust re-opening and the late exhaust closing, can be used to achieve an increment in the after-treatment upstream temperature by increasing the residual gas amount. In this study, a one-dimensional gas dynamics engine model has been used to simulate several VVT strategies and develop a control system to actuate over the valves timing in order to increase diesel oxidation catalyst efficiency and reduce the exhaust pollutant emissions. A transient operating conditions comparison, taking the Worldwide Harmonized Light-Duty Vehicles Test Cycle (WLTC) as a reference, has been done by analyzing fuel economy, HC and CO pollutant emissions levels. The results conclude that the combination of an early exhaust and a late intake valve events leads to a 20% reduction in CO emissions with a fuel penalty of 6% over the low speed stage of the WLTC, during the warm-up of the oxidation catalyst. The same set-up is able to reduce HC emissions down to 16% and NO(x)emission by 13%. es_ES
dc.description.sponsorship This research has been partially funded by the Spanish government under the grant agreement TRA2017-89894-R ("Mecoem"). Angel Aunon was supported through the "Apoyo para la investigacion y Desarrollo (PAID)" grant for doctoral studies (FPI S2 2018 1048) by Universitat Politecnica de Valencia. 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 Variable valve actuation es_ES
dc.subject Variable valve timing es_ES
dc.subject Light-duty diesel engine es_ES
dc.subject Aftertreatment thermal management es_ES
dc.subject One-dimensional model es_ES
dc.subject World harmonized light-duty vehicle test procedure es_ES
dc.subject Light-off temperature es_ES
dc.subject Diesel engine emissions es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Development of a Variable Valve Actuation Control to Improve Diesel Oxidation Catalyst Efficiency and Emissions in a Light Duty Diesel Engine es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/en13174561 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/TRA2017-89894-R/ES/METODOLOGIA PARA LA PREDICCION DE EMISIONES DE CO2 Y CONTAMINANTES DE UN MOTOR ALTERNATIVO/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//FPI S2 2018 1048/ 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 Serrano, J.; Arnau Martínez, FJ.; Martín, J.; Auñón-García, Á. (2020). Development of a Variable Valve Actuation Control to Improve Diesel Oxidation Catalyst Efficiency and Emissions in a Light Duty Diesel Engine. Energies. 13(17):1-26. https://doi.org/10.3390/en13174561 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/en13174561 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 26 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 13 es_ES
dc.description.issue 17 es_ES
dc.identifier.eissn 1996-1073 es_ES
dc.relation.pasarela S\417771 es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
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