Enhancing the heavy load performance of a gasoline engine converted for LPG use by modifying the ignition timings

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dc.authorid0000-0002-1045-6779en_US
dc.contributor.authorErkus, Baris
dc.contributor.authorKaramangil, M. Ihsan
dc.contributor.authorSürmen, Ali
dc.date.accessioned2022-09-08T13:15:19Z
dc.date.available2022-09-08T13:15:19Z
dc.date.issued2015en_US
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümüen_US
dc.description.abstractThis paper presents the results of the experiments conducted on a spark-ignition (SI) engine fuelled with liquefied petroleum gas (LPG) by varying the ignition timing at the excess air coefficients of 1.0 and 1.3. Experiments were carried out at wide open throttle (WOT) position and at engine speed of 4300 rpm aiming to determine the lean operation performance of an engine when fuelled with LPG at full load. Performance parameters, namely brake power, brake-specific fuel consumption (BSFC), brake thermal efficiency and exhaust emissions such as unburned hydrocarbons (HC), carbon monoxide (CO) and nitrogen oxides (NOx), were studied. It was shown that advancing the ignition timing improved the performance of LPG-fuelled SI engine for excess air coefficients higher than 0.8. The highest brake power and the lowest BSFC were obtained with modified ignition timing at an excess air coefficient of 1.0. The lowest exhaust emissions were obtained with an excess air coefficient of 1.3. In general, advancing the ignition timings caused increase in HC and NO emissions, while the effect of ignition timing on CO emissions was negligible.en_US
dc.identifier.doi10.1016/j.applthermaleng.2015.03.076en_US
dc.identifier.endpage194en_US
dc.identifier.issn1359-4311
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage188en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12885/2051
dc.identifier.volume85en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorSürmen, Ali
dc.language.isoenen_US
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDen_US
dc.relation.ispartofAPPLIED THERMAL ENGINEERINGen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSI engineen_US
dc.subjectLPGECU tuningen_US
dc.subjectIgnition timingen_US
dc.subjectExcess air coefficienten_US
dc.titleEnhancing the heavy load performance of a gasoline engine converted for LPG use by modifying the ignition timingsen_US
dc.typeArticleen_US

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