Evaluating the potential performance of methane in lean conditions and examining the variations in combustion in a gasoline direct injection engine

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dc.authorscopusidEdwin Geo Varuvel / 25225283500
dc.authorwosidEdwin Geo Varuvel / AAE-5222-2022
dc.contributor.authorStanley, M. Jerome
dc.contributor.authorVaruvel, Edwin Geo
dc.contributor.authorMartin, M. Leenus Jesu
dc.date.accessioned2025-04-18T09:50:17Z
dc.date.available2025-04-18T09:50:17Z
dc.date.issued2024
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümü
dc.description.abstractThe present work investigates the effect of methane addition on a direct injection spark-ignition engine's performance, combustion, cycle-to-cycle variation, coefficient of variation, and emission characteristics. Equivalence ratio of the engine is varied from lambda = 1.0, 1.02, 1.08, 1.15, and 1.22. Methane addition for the equivalence ratios (lambda = 1.0, 1.02, and 1.08) close to the stoichiometric condition does not support the methane addition. Decrease in peak pressure is seen in minimum to the maximum methane addition of 19.5 %. Adding the gaseous fuel to the intake manifold causes charge displacement, as the fuel is inducted at the suction top dead center. This effect is consistent with the increase in flame initiation and combustion durations. The same methane addition fraction for the equivalence ratios of lambda = 1.15 and 1.22 provides better combustion stability and efficiency. The peak pressure attainment for lambda = 1.22 is a 25 % increment with the maximum methane addition. Emission formation of carbon monoxide and unburnt hydrocarbons drops as the fuel is leaner towards lambda = 1.22, even with the addition of methane. The oxides of nitrogen emissions decrease initially for the equivalence ratio close to the stoichiometric condition but increase for the leaner equivalence ratio with the methane addition fraction.
dc.description.sponsorshipDirectorate of Research SRM IST, India
dc.identifier.citationVaruvel, E. G. (2024). Evaluating the potential performance of methane in lean conditions and examining the variations in combustion in a gasoline direct injection engine. Energy, 302, 131838.
dc.identifier.doi10.1016/j.energy.2024.131838
dc.identifier.endpage14
dc.identifier.issn0360-5442
dc.identifier.issn1873-6785
dc.identifier.scopus2-s2.0-85195215460
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttp://dx.doi.org/10.1016/j.energy.2024.131838
dc.identifier.urihttps://hdl.handle.net/20.500.12713/6877
dc.identifier.volume302
dc.identifier.wosWOS:001263820100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorEdwin Geo, Varuvel
dc.institutionauthoridEdwin Geo Varuvel / 0000-0002-7303-3984
dc.language.isoen
dc.publisherPergamon elsevier science LTD
dc.relation.ispartofEnergy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectMethane Induction
dc.subjectLean Combustion
dc.subjectReduction In Cycle -To -Cycle Variance
dc.subjectSmall Bore
dc.subjectGasoline Direct Injection
dc.titleEvaluating the potential performance of methane in lean conditions and examining the variations in combustion in a gasoline direct injection engine
dc.typeArticle

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