Experimental and numerical investigation of effects of CNG and gasoline fuels on engine performance and emissions in a dual sequential spark ignition engine

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dc.contributor.authorYontar, Ahmet Alper
dc.contributor.authorDoğu, Yahya
dc.date.accessioned2020-06-25T18:29:56Z
dc.date.available2020-06-25T18:29:56Z
dc.date.issued2018
dc.departmentKırıkkale Üniversitesi
dc.descriptionYONTAR, AHMET ALPER/0000-0002-5453-5137; Dogu, Yahya/0000-0003-0474-2899
dc.description.abstractCompared to widening usage of CNG in commercial gasoline engines, insufficient but increasing number of studies have appeared in open literature during last decades while engine characteristics need to be quantified in exact numbers for each specific fuel converted engine. In this study, a dual sequential spark ignition engine (Honda L13A4 i-DSI) is tested separately either with gasoline or CNG at wide open throttle. This specific engine has unique features of dual sequential ignition with variable timing, asymmetrical combustion chamber, and diagonally positioned dual spark-plug. Thus, the engine led some important engine technologies of VTEC and VVT. Tests are performed by varying the engine speed from 1500rpm to 4000rpm with an increment of 500rpm. The engine's maximum torque speed of 2800rpm is also tested. For gasoline and CNG fuels, engine performance (brake torque, brake power, brake specific fuel consumption, brake mean effective pressure), emissions (O-2, CO2, CO, HC, NOx, and lambda), and the exhaust gas temperature are evaluated. In addition, numerical engine analyses are performed by constructing a 1-D model for the entire test rig and the engine by using Ricardo-Wave software. In the 1-D engine model, same test parameters are analyzed, and same test outputs are calculated. Thus, the test and the 1-D engine model are employed to quantify the effects of gasoline and CNG fuels on the engine performance and emissions for a unique engine. In general, all test and model results show similar and close trends. Results for the tested commercial engine show that CNG operation decreases the brake torque (12.7%), the brake power (12.4%), the brake mean effective pressure (12.8%), the brake specific fuel consumption (16.5%), the CO2 emission (12.1%), the CO emission (89.7%). The HC emission for CNG is much lower than gasoline. The O-2 emission for CNG is approximately 55.4% higher than gasoline. The NOx emission for CNG at high speeds is higher than gasoline. The variation percentages are the averages of the considered speed range from 1500rpm to 4000rpm.en_US
dc.description.sponsorshipScientific Research Projects Coordination Unit of Kirikkale University through the Automotive Research Laboratory at the Mechanical Engineering Department [2015/100, 2015/101]en_US
dc.description.sponsorshipThis work was partially funded by Scientific Research Projects Coordination Unit of Kirikkale University under project numbers of 2015/100 and 2015/101 through the Automotive Research Laboratory at the Mechanical Engineering Department.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1080/15567036.2018.1495783
dc.identifier.endpage2192en_US
dc.identifier.issn1556-7036
dc.identifier.issn1556-7230
dc.identifier.issue18en_US
dc.identifier.scopus2-s2.0-85049806246
dc.identifier.scopusqualityQ1
dc.identifier.startpage2176en_US
dc.identifier.urihttps://doi.org/10.1080/15567036.2018.1495783
dc.identifier.urihttps://hdl.handle.net/20.500.12587/7506
dc.identifier.volume40en_US
dc.identifier.wosWOS:000444254500007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Incen_US
dc.relation.ispartofEnergy Sources Part A-Recovery Utilization And Environmental Effects
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject1-D engine modelingen_US
dc.subjectCNGen_US
dc.subjectDual sequential spark ignition engineen_US
dc.subjectemissionen_US
dc.subjectengine performanceen_US
dc.subjectengine testen_US
dc.subjectgasolineen_US
dc.subjectwide open throttleen_US
dc.titleExperimental and numerical investigation of effects of CNG and gasoline fuels on engine performance and emissions in a dual sequential spark ignition engineen_US
dc.typeArticle

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