The effect of hydrogen addition to traditional petrol engine fuel in a hybrid power plant on its environmental performance and fuel efficiency
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1
Radiography and Computed Tomography Laboratory, Department of Metal Science and Manufacturing Processes, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Poland
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Department of «Engines and hybrid power plants», National Technical University «Kharkiv Polytechnic Institute», Ukraine
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Department of «Engines and hybrid power plants», National Technical University 'Kharkiv Polytechnic Institute", Ukraine
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Department of «Engines and hybrid power plants», National Technical University "Kharkiv Polytechnic Institute", Ukraine
Submission date: 2024-11-27
Final revision date: 2024-12-19
Acceptance date: 2025-01-02
Online publication date: 2025-02-04
Corresponding author
Wojciech Paweł Depczyński
Radiography and Computed Tomography Laboratory, Department of Metal Science and Manufacturing Processes, Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, Al. Tysiąclecia Państwa Polskiego 7, 25-314, Kielce, Poland
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ABSTRACT
The article is concerned with studying the impact of hydrogen additive to the traditional fuel of a petrol internal combustion engine (ICE) as part of a hybrid power plant on key indicators of its efficiency and environmental friendliness. The main attention is paid to the assessment of fuel consumption and CO₂ emissions within the NEDC driving cycle.
The paper develops a mathematical model of the internal combustion engine's working process, which takes into account the addition of hydrogen to the fuel mixture, and creates a model for determining the parameters of a hybrid powertrain in the NEDC cycle modes. The results of the study showed that every 2% addition of hydrogen to petrol reduces the specific effective fuel consumption by 2.8-3.5%, depending on the speed mode. It was found that the hybrid system provides effective energy recovery during braking, which contributes to the overall efficiency of the system.
The study confirms the prospects of using hydrogen as an additive to traditional fuels to improve the environmental friendliness and efficiency of transport, reduce CO₂ emissions and decarbonise the transport sector. The developed calculation methodology can be used for further research and implementation of new technologies in the field of hybrid powertrains.
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