Mathematical modeling of hydrocarbon emissions from oil film for different fuels

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dc.authorid0000-0002-1045-6779en_US
dc.contributor.authorKaramangil, M. Ihsan
dc.contributor.authorSürmen, Ali
dc.contributor.authorYenice, Seckin
dc.date.accessioned2022-09-09T11:30:42Z
dc.date.available2022-09-09T11:30:42Z
dc.date.issued2014en_US
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümüen_US
dc.description.abstractOil film on the inner surface of the cylinder liner is one of the major sources of the vehicle-out HC emissions as fuel vapor is absorbed by the oil film under high pressure and then released after late expansion stroke when the pressure is low. This process is extensively affected by type of the fuel and lubricating oil. In this theoretical study, the effect of different engine parameters on oil film HC emissions for various fuels, such as iso-octane, methanol, ethanol, LPG and methane, is investigated. The results show that fewer HCs are released from the oil film when using gaseous fuels, such as LPG and methane, than when using liquid fuels. The fuels can be ranked according to their effect (from greatest to least) on HC emissions as follows: iso-octane, methanol, ethanol, LPG and methane. The most important parameters affecting the HC absorption/release mechanism are found to be Henry's coefficient and the diffusion coefficient. As interaction time of oil film-fuel vapor was longer at low engine speeds, the quantities of HC absorbed/desorbed increased. The quantities of HC absorbed/desorbed increased with increasing inlet pressure and compression ratio.en_US
dc.identifier.doi10.1016/j.fuel.2013.04.035en_US
dc.identifier.endpage825en_US
dc.identifier.issn0016-2361
dc.identifier.issn1873-7153
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage818en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12885/2052
dc.identifier.volume115en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorSürmen, Ali
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofFUELen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectOil filmen_US
dc.subjectHenry's Lawen_US
dc.subjectHC emissionsen_US
dc.subjectSI engineen_US
dc.titleMathematical modeling of hydrocarbon emissions from oil film for different fuelsen_US
dc.typeArticleen_US

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