SMTP25 Tagung
Exploring Ammonia Combustion Strategies in Large Bore Four-Stroke Engines
Autoren
Valentin SCHARL1, Dominik WINKLER1, Max JUNGEMANN1, Christian KUNKEL1, Kay MAHLER2, Phillip THORAU2
1Everllence SE, Augsburg, DE; 2WTZ Roßlau gGmbH, Dessau-Roßlau, DE
Zusammenfassung
Decarbonizing global shipping and power generation is critical to meeting greenhouse gas (GHG) reduction targets. Ammonia-fueled engines are emerging as a viable solution, yet challenges remain for their widespread adoption in four-stroke applications. Everllence is addressing these challenges and is actively developing ammonia-fueled medium-speed four-stroke engines.
This study presents combustion development efforts and performance trends from single-cylinder engine tests conducted in cooperation with WTZ Roßlau. Tests were performed on a high-speed (175 mm bore) and a medium-speed (350 mm bore) engine. Results confirm that both port-fuel injection (PFI) and high-pressure direct injection (HPDI) of ammonia, combined with a diesel pilot, are viable combustion strategies.
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