Streszczenie: Artykuł dotyczy badania wpływu dodatku wodoru do tradycyjnego paliwa benzynowego silnika spalinowego (ICE) jako elementu hybrydowej jednostki napędowej na kluczowe wskaźniki jego sprawności i przyjazności dla środowiska. Główną uwagę poświęcono ocenie zużycia paliwa i emisji CO₂ w cyklu jezdnym NEDC. W artykule opracowano model matematyczny procesu pracy silnika spalinowego uwzględniający dodatek wodoru do mieszanki paliwowej oraz stworzono model do wyznaczania parametrów hybrydowego układu napędowego w trybach cyklu NEDC. Wyniki badania wykazały, że każde 2% dodatku wodoru do benzyny zmniejsza jednostkowe efektywne zużycie paliwa o 2,8-3,5%, w zależności od trybu prędkości. Stwierdzono, że system hybrydowy zapewnia skuteczny odzysk energii podczas hamowania, co przyczynia się do ogólnej wydajności systemu. Badanie potwierdza perspektywy wykorzystania wodoru jako dodatku do tradycyjnych paliw w celu poprawy przyjazności dla środowiska i wydajności transportu, zmniejszenia emisji CO₂ i dekarbonizacji sektora transportu. Opracowana metodologia obliczeniowa może być wykorzystana do dalszych badań i wdrażania nowych technologii w dziedzinie hybrydowych układów napędowych.
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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