Enhancing diesel engine performance, combustion, and emissions reductions under the effect of cerium oxide nanoparticles with hydrogen addition to biodiesel fuel

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dc.authoridGad, Mohammed Saber/0000-0001-5838-2038
dc.authoridAgbulut, Umit/0000-0002-6635-6494;
dc.contributor.authorPolat, Fikret
dc.contributor.authorSaridemir, Suat
dc.contributor.authorGad, M. S.
dc.contributor.authorEl-Shafay, A. S.
dc.contributor.authorAgbulut, Umit
dc.date.accessioned2025-10-11T20:48:33Z
dc.date.available2025-10-11T20:48:33Z
dc.date.issued2024
dc.departmentDüzce Üniversitesien_US
dc.description.abstractIn order to enhance engine combustion and emissions, inclusion of nano additives containing hydrogen is recommended due to the high viscosity, poor calorific value, atomization, and vaporization issues of biodiesel. Transesterification was used to transform sunflower oil into methyl ester. Sunflower biodiesel of 20% by volume was blended with diesel fuel, and CeO2 nanoparticles of 100 ppm were added to blends. Hydrogen was introduced by 5 and 10 lpm from intake manifold. Diesel engine operated at 2000 rpm and loads of 15, 30, 45, and 60 N m. BSFC was decreased by 1.77%, 4.71%, and 7.19% but BTE was improved by 1.39%, 4.04%, and 7.01% when cerium oxide, 5, and 10 lpm hydrogen were added to B20, respectively. When methyl ester mixture was combined with nano additive and H2 at 5 and 10 lpm, respectively, EGT was reduced by 2.62, 4.77, and 6.73%. B20+ CeO2 and B20+ CeO2+ 5 lpm, and B20+ CeO2+ 10 lpm showed decreases of 46.51%, 56.59%, and 63.57% in CO emissions but the declines in NOx were 6.34, 13.6% and 20.71%, respectively compared to diesel oil. Inclusion of nano-doped hydrogen at 5 and 10 lpm reduced HC emissions by 12.09% and 28.57%, respectively, about diesel. Hydrogen addition of 5 and 10 lpm to CeO2-doped B20 improved the in-cylinder pressures by 3% and 3.52% but the maximum heat release rate increases were 3% and 3.52% respectively compared to diesel. Biodiesel from sunflower oil with 100 ppm CeO2 with hydrogen shows reductions in emissions and combustion enhancement.en_US
dc.description.sponsorshipDuezce University Scientific Research Projects Coordination [2022.06.05.1289]en_US
dc.description.sponsorshipThis present work is being funded by Duzce University Scientific Research Projects Coordination with the project numbers 2022.06.05.1289. The authors highly appreciate to Duzce Univer-sity for its financial support.en_US
dc.identifier.doi10.1016/j.ijhydene.2024.08.031
dc.identifier.endpage896en_US
dc.identifier.issn0360-3199
dc.identifier.issn1879-3487
dc.identifier.scopus2-s2.0-85201433832en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage884en_US
dc.identifier.urihttps://doi.org/10.1016/j.ijhydene.2024.08.031
dc.identifier.urihttps://hdl.handle.net/20.500.12684/21972
dc.identifier.volume83en_US
dc.identifier.wosWOS:001296909800001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofInternational Journal of Hydrogen Energyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmzKA_WOS_20250911
dc.subjectBiodieselen_US
dc.subjectCerium oxide nanoparticlesen_US
dc.subjectHydrogenen_US
dc.subjectEngine performanceen_US
dc.subjectCombustion characteristicsen_US
dc.subjectEmissionsen_US
dc.titleEnhancing diesel engine performance, combustion, and emissions reductions under the effect of cerium oxide nanoparticles with hydrogen addition to biodiesel fuelen_US
dc.typeArticleen_US

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