Natural gas-fueled HCCI engine performance and emission analysis andcomparison with SI and spark-assisted operations

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dc.authorid0000-0002-5212-0966
dc.authorid0000-0001-6675-7442
dc.authorid0000-0002-8560-1782
dc.authorid0000-0001-5271-9015
dc.contributor.authorTunçer, Erdal
dc.contributor.authorSandalcı, Tarkan
dc.contributor.authorBalcı, Özgün
dc.contributor.authorKaragöz, Yasin
dc.date.accessioned2024-09-23T11:06:04Z
dc.date.available2024-09-23T11:06:04Z
dc.date.issued2024
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümü
dc.description.abstractThe homogeneous charge compression ignition (HCCI) engine is a promising technology in terms of both soot and NOx emission. Natural gas (NG) is advantageous especially for HCCI engines with its single stage combustion, low C/H ratio, and high octane number. Since the main challenge of HCCI technology is stability and transient operations, using HCCI for constant speed operations may be advantageous. In this study, a CI diesel engine, which is used as a generator at constant speed, was modified and converted into an NG-fuelled, SI engine. Then, the engine was supplied with NG for SI, HCCI, and spark-assisted HCCI experiments. Spark-assisted operations were executed by using 3, 5, and 7 degree ignition advance values to assist HCCI combustion. In-cylinder pressure variations, exhaust temperature, specific fuel consumption, and emission values were investigated for comparison of different strategies. Experimental results showed that using the HCCI strategy and retardation of ignition advance of spark-assisted HCCI operations reduced maximum pressure. Therefore, these strategies improved NOx emissions, while HC emissions were slightly increased. The spark-assisted HCCI strategy improves the stability of operation while increasing CO emission. The specific fuel consumption value of HCCI was slightly higher than that of SI operation, while it was lower than spark-assisted strategies.
dc.identifier.citationTunçer, E., Sandalcı, T., Balcı, Ö., & Karagöz, Y. (2024). Natural gas-fueled HCCI engine performance and emission analysis andcomparison with SI and spark-assisted operations. Australian Journal of Mechanical Engineering, pp. 1-12. https://doi.org/10.1080/14484846.2024.2403223
dc.identifier.doi10.1080/14484846.2024.2403223
dc.identifier.endpage12
dc.identifier.issn1448-4846
dc.identifier.issn2204-2253
dc.identifier.scopus2-s2.0-85204218522
dc.identifier.scopusqualityQ3
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.1080/14484846.2024.2403223
dc.identifier.urihttps://hdl.handle.net/20.500.13055/797
dc.identifier.wosWOS:001314919200001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynak.otherESCI - Emerging Sources Citation Index
dc.institutionauthorTunçer, Erdal
dc.institutionauthorid0000-0002-5212-0966
dc.language.isoen
dc.publisherTaylor & Francis
dc.relation.ispartofAustralian Journal of Mechanical Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitak1059B281500471
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectNatural Gas
dc.subjectHCCI Engine
dc.subjectSpark Assistance
dc.subjectPollutantemissions
dc.subjectFuel Consumption
dc.titleNatural gas-fueled HCCI engine performance and emission analysis andcomparison with SI and spark-assisted operations
dc.typeArticle
dspace.entity.typePublication

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