Influence of hydrogen-assisted combustion in compression ignition engines fueled with fuel blends of pine oil and waste cooking oil biodiesel using toroidal combustion chamber

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dc.authorscopusidEdwin Geo Varuvel / 25225283500
dc.authorwosidEdwin Geo Varuvel / AAE-5222-2022
dc.contributor.authorThiagarajan, S.
dc.contributor.authorDamodaran, Ajith
dc.contributor.authorSeetharaman, Sathyanarayanan
dc.contributor.authorVaruvel, Edwin Geo
dc.date.accessioned2025-04-18T10:19:18Z
dc.date.available2025-04-18T10:19:18Z
dc.date.issued2024
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümü
dc.description.abstractIn this research study, fuel blends of pine oil and waste cooking oil biodiesel (P/WCO) were examined for combustion analysis, engine performance, and emission characteristics tests. Improved combustion and engine performance were achieved using a toroidal re-entrant combustion chamber (TCC) and hydrogen supply as a dual fuel. The combustion behavior of fuel blends and hydrogen fuel was examined by varying the engine load at a constant speed. The results revealed that significant reduction in the specific fuel consumption for rich pine oil. Thus, a slightly lesser energy share from the fuel blends and a higher energy share from the hydrogen fuel was required for the engine to maintain the same brake power. Lower viscosity, higher flash point, and presence of oxygen in the pine oil enhance the combustion rate and brake thermal efficiency. Furthermore, hydrogen induction in the engine improves the flame velocity. A lesser crevice volume in the TCC can trap the unburnt fuel which can further increase the combustion efficiency. Thus, rich pine oil with the support of hydrogen induction in TCC causes advanced ignition, improved combustion, and more heat release during the combustion. The investigation results revealed that hydrogen induction increases the heat release rate and peak pressure by 7.4% and 2.67%, respectively. Similarly, the maximum of 24.55% increase in BTE and 18.22% reduction in BSFC was observed due to a constant 10 lpm hydrogen induction. Furthermore, hydrogen fuel significantly reduces the emissions such as CO, HC, CO2, and smoke. However, more NOx was generated due to more heat release rate during combustion. Thus, pine oil and waste cooking oil biodiesel blends with the support of hydrogen induction in TCC improve the engine performance and mitigate the toxic pollutants and can be a suitable alternative to diesel fuel.
dc.identifier.citationThiagarajan, S., Damodaran, A., Seetharaman, S., & Varuvel, E. G. (2024). Influence of hydrogen-assisted combustion in compression ignition engines fueled with fuel blends of pine oil and waste cooking oil biodiesel using toroidal combustion chamber. International Journal of Hydrogen Energy, 74, 246-258.
dc.identifier.doi10.1016/j.ijhydene.2024.06.080
dc.identifier.endpage258
dc.identifier.issn0360-3199
dc.identifier.issn1879-3487
dc.identifier.scopus2-s2.0-85195668986
dc.identifier.scopusqualityQ1
dc.identifier.startpage246
dc.identifier.urihttp://dx.doi.org/10.1016/j.ijhydene.2024.06.080
dc.identifier.urihttps://hdl.handle.net/20.500.12713/7024
dc.identifier.volume74
dc.identifier.wosWOS:001255442600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorVaruvel, Edwin Geo
dc.institutionauthoridEdwin Geo Varuvel / 0000-0002-7303-3984
dc.language.isoen
dc.publisherPergamon-elsevier science LTD
dc.relation.ispartofInternational journal of hydrogen energy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBiodiesel
dc.subjectPine Oil
dc.subjectWaste Cooking Oil
dc.subjectHydrogen Combustion
dc.subjectEngine Performance
dc.subjectEmission Reduction
dc.titleInfluence of hydrogen-assisted combustion in compression ignition engines fueled with fuel blends of pine oil and waste cooking oil biodiesel using toroidal combustion chamber
dc.typeArticle

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