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Study of the influence of emission control strategies on the soot content and fuel dilution in engine oil

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Study of the influence of emission control strategies on the soot content and fuel dilution in engine oil

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dc.contributor.author Tormos, B. es_ES
dc.contributor.author Novella Rosa, Ricardo es_ES
dc.contributor.author Gómez-Soriano, Josep es_ES
dc.contributor.author García-Barberá, Antonio es_ES
dc.contributor.author Tsuji, Naohide es_ES
dc.contributor.author Uehara, Isshoh es_ES
dc.contributor.author Alonso, Marcos es_ES
dc.date.accessioned 2021-01-28T04:31:35Z
dc.date.available 2021-01-28T04:31:35Z
dc.date.issued 2019-08 es_ES
dc.identifier.issn 0301-679X es_ES
dc.identifier.uri http://hdl.handle.net/10251/160076
dc.description.abstract [EN] The engine oil contamination by both particulate matter (PM) and fuel is becoming an important problem since strategies to control pollutant emissions in internal combustion engines (ICE) significantly increase their presence in engine oil. As a consequence, the engine oil loses its tribological properties compromising engine lubrication and leading to potential problems in engine such as wear, corrosion, etc. For that reason, the study of the oil degradation and contamination due to these strategies have a special interest to the engine manufacturers and engine oil formulators. In this paper, the engine oil soot content and fuel dilution is analysed under real engine conditions. The study is addressed from two different but complementary points of views. First, on-line measurements at several engine operating conditions are performed in order to further understand how the soot generation correlates with the oil soot content and other derived problems on oil performance. Then, experimental data available after the experimental campaign is used to calibrate a numerical model, based on Computational Fluid Dynamics (CFD), that estimate the amount of soot particles settled in the engine oil. Results show that soot particles are more present in oil when operating high load-speed conditions and during the Diesel Particulate Filter (DPF) regeneration cycles. Regarding the fuel dilution, delayed post-injections are critical since they significantly increase the amount of fuel in the engine oil. Numerical results also show the relationships between the soot particles generated during combustion and the amount of soot in engine oil, giving an enhanced comprehension of soot-in-oil deposition mechanisms. es_ES
dc.description.sponsorship A. Garcia-Barbera is partially supported through the Programa Nacional de Formation de Recursos Humanos de Investigacion of Spanish Ministerio de Ciencia e Innovation [grant number BES-2016-078073]. The authors also wish to thank Dr. José M. Pastor for his inestimable assistance in the CFD model implementation and data post-processing. es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Tribology International es_ES
dc.rights Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) es_ES
dc.subject ICE emissions es_ES
dc.subject Soot in oil es_ES
dc.subject Oil fuel dilution es_ES
dc.subject Oil analysis es_ES
dc.subject Control strategies es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.subject.classification INGENIERIA AEROESPACIAL es_ES
dc.title Study of the influence of emission control strategies on the soot content and fuel dilution in engine oil es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.triboint.2019.03.066 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI//BES-2016-078073/ 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 Tormos, B.; Novella Rosa, R.; Gómez-Soriano, J.; García-Barberá, A.; Tsuji, N.; Uehara, I.; Alonso, M. (2019). Study of the influence of emission control strategies on the soot content and fuel dilution in engine oil. Tribology International. 136:285-298. https://doi.org/10.1016/j.triboint.2019.03.066 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.triboint.2019.03.066 es_ES
dc.description.upvformatpinicio 285 es_ES
dc.description.upvformatpfin 298 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 136 es_ES
dc.relation.pasarela S\387916 es_ES
dc.contributor.funder Nissan Motor Ibérica S.A. es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
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