The effects of ammonia addition on the emission and performance characteristics of a diesel engine with variable compression ratio and injection timing

Fatih Okumuş, Berna Kanberoğlu*, Güven Gonca, Görkem Kökkülünk, Zafer Aydın, Cenk Kaya

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: Dergiye katkıMakalebilirkişi

9 Atıf (Scopus)

Özet

Ammonia, future of the carbonless marine fuel, presents significant potential in achieving zero-emission targets within maritime transportation. In this context, this study explores the use of an ammonia/diesel fuel mixture in a diesel engine, employing both experimental and numerical methods. We focus on the impact of injection timing and compression ratio to optimize the engine while using ammonia/diesel mixture in terms of both engine performance and exhaust emissions. The results show a decrease in engine power with an increasing content of ammonia, reaching the lowest power of 4.53 kW at 60% ammonia content. On the other hand, the increase in compression ratio generally enhances engine power. Thermal efficiency shows an increase up to 40% ammonia content, followed by a decline. CO2 emissions significantly reduce with an increase in ammonia content, reaching the lowest level, especially at 60% ammonia content. NO emissions rise with increasing ammonia content up to 40%. Furthermore, increasing the compression ratio reduces CO2 emissions and contributes to an increase in NOx emissions. These findings have assessed the potential usage of ammonia-diesel fuel mixture with regards to environmental impacts and energy efficiency in internal combustion engines.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)186-195
Sayfa sayısı10
DergiInternational Journal of Hydrogen Energy
Hacim64
DOI'lar
Yayın durumuYayınlandı - 25 Nis 2024

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Publisher Copyright:
© 2024 Hydrogen Energy Publications LLC

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