Effects of sunflower oil biodiesel blends on diesel engine performance and emissions

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dc.authorid0000-0002-5212-0966
dc.authorid0000-0002-9297-8633
dc.authorid0000-0003-0055-5471
dc.contributor.authorTunçer, Erdal
dc.contributor.authorKaya, Yalçın
dc.contributor.authorAkal, Dinçer
dc.date.accessioned2026-06-25T07:29:34Z
dc.date.available2026-06-25T07:29:34Z
dc.date.issued2026
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümü
dc.description.abstractThe environmental impacts and limited reserves of fossil fuels have increasingly highlighted the importance of alternative fuel sources. In this study, the effects of a sunflower oil biodiesel–diesel blend on the performance, fuel consumption, and exhaust emissions of a single-cylinder diesel engine were experimentally investigated. During the tests, pure diesel fuel (B0) and a blend containing 90% diesel and 10% sunflower biodiesel (B10) were evaluated under various load conditions. After the engine reached steady-state operating temperature, power output, fuel consumption, and exhaust emissions were measured. The findings indicate that the biodiesel blend does not adversely affect engine power and provides performance comparable to pure diesel at all load levels. While fuel consumption was similar at low and medium loads, a measurable reduction was observed at high loads when using the biodiesel blend, which is attributed to the improved combustion associated with the fuel’s higher oxygen content. Regarding exhaust emissions, the addition of biodiesel resulted in reductions in CO and HC emissions, whereas a slight increase in NOₓ emissions was observed. This increase is attributed to higher combustion temperatures and is considered manageable through appropriate emission-control strategies. In conclusion, the sunflower biodiesel blend enhances fuel efficiency while maintaining engine performance and offering environmental benefits; however, additional measures may be required to mitigate elevated NOₓ emissions.
dc.identifier.citationTunçer, E., Kaya, Y., & Akal, D. (2026). Effects of sunflower oil biodiesel blends on diesel engine performance and emissions. Helia, 49(84), pp. 1-10. https://doi.org/10.29329/helia.2026.1446.1
dc.identifier.doi10.29329/helia.2026.1446.1
dc.identifier.endpage10
dc.identifier.issn1018-1806
dc.identifier.issn2197-0483
dc.identifier.issue84
dc.identifier.scopusqualityQ4
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.29329/helia.2026.1446.1
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1515
dc.identifier.volume49
dc.indekslendigikaynakScopus
dc.institutionauthorTunçer, Erdal
dc.institutionauthorid0000-0002-5212-0966
dc.language.isoen
dc.publisherInternational Researcher Association
dc.relation.ispartofHelia
dc.relation.publicationcategoryDiğer
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectEnergy
dc.subjectBiodiesel
dc.subjectDiesel Engine
dc.subjectExhaust Emissions
dc.titleEffects of sunflower oil biodiesel blends on diesel engine performance and emissions
dc.typeReview Article
dspace.entity.typePublication

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