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Performance and emissions of an agricultural diesel engine with hydrogen injection under different load modes

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dc.contributor.authorSmigins, R.
dc.contributor.authorAmatnieks, K.
dc.contributor.authorBirkavs, A.
dc.contributor.authorKryshtopa, S.
dc.date.accessioned2025-06-03T11:03:37Z
dc.date.available2025-06-03T11:03:37Z
dc.date.issued2025
dc.descriptionReceived: January 25th, 2024 ; Accepted: April 15th, 2025 ; Published: April 28th, 2025 ; Correspondence: ruslans.smigins@lbtu.lveng
dc.description.abstractExcessive use of fossil fuels in transport sector in the last decades stimulated rise in global energy consumption in such way leaving harmful effects on human health and environment. The scale of decarbonization of transport sector in the next decade could be challenging for European Union (EU) as demand for renewable energy, like wind, solar and hydro, will definitely rise. The aim of this study is to find whether hydrogen could be optimal solution for emission reduction in agricultural machinery. In this regard, research was carried out with KOHLER KDI 1903 M diesel engine looking on main performance parameters, as also regulated emissions operating engine with conventional diesel fuel and different hydrogen injection volumes under different loads. Fuel consumption was measured with AVL KMA Mobile device, while emissions was determined using AVL SESAM FTIR exhaust gas analytical system. During the tests, it was observed that the addition of a higher hydrogen concentration provides more substantial benefits that includes a larger impact on fuel consumption and carbon dioxide (CO2) emissions. Other emissions such as carbon monoxide (CO) emissions had smaller but positive impact, while the addition of hydrogen gas had various impact on nitrogen oxide (NOx) emissions. At the same time decrease in particulate matter (PM) emissions was observed with higher hydrogen concentrations and more substantial impact was observed during higher load conditions and higher hydrogen concentration.eng
dc.identifier.citationSmigins, R., Amatnieks, K., Birkavs, A., & Kryshtopa, S. (2025). Performance and emissions of an agricultural diesel engine with hydrogen injection under different load modes. https://doi.org/10.15159/AR.25.031en
dc.identifier.issn2228-4907
dc.identifier.publicationAgronomy Research, 2025, vol. 23, Special Issue 1, pp. 195–207eng
dc.identifier.urihttp://hdl.handle.net/10492/9943
dc.identifier.urihttps://doi.org/10.15159/ar.25.031
dc.publisherEstonian University of Life Scienceseng
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectdiesel engineeng
dc.subjectemissionseng
dc.subjecthydrogen additioneng
dc.subjectperformanceeng
dc.subjecttorqueeng
dc.subjectarticleseng
dc.titlePerformance and emissions of an agricultural diesel engine with hydrogen injection under different load modeseng
dc.typeArticleeng

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2025, Vol. 23, Special Issue 1