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Ammonia Energy Conference 2024: Ammonia for Maritime Propulsion is full speed ahead!
Article

Ammonia Energy Conference 2024: Ammonia for Maritime Propulsion is full speed ahead!

Kevin Rouwenhorst November 26, 2024

During the recent 2024 Ammonia Energy Conference, we explored all the latest developments in ammonia-powered maritime propulsion. Engine makers reported strong progress ahead of deployment in 2026, the same year that large-scale vessels will hit the water. The panel explored early operations for the ammonia-powered A-Tug in Japan, as well as ancillary technology systems required for maritime ammonia engines, catalyst after-treatment systems for emission mitigation, and the potential for fuel additives to boost ammonia engine performance.

How to give a chemical push to ammonia in a compression ignition engine?
Presentation

How to give a chemical push to ammonia in a compression ignition engine?

Anne-Gaëlle Morin

The initial work on direct additivation to ammonia in a Rapid Compression machine showed promising results and radical ignition delays and temperature reduction. From these tests on, tests conducted on a research mono-cylinder engine, with the help of the Prisme laboratory at the University of Orléans, demonstrated that the additive used in pilot fuels allowed for better controlled ignition than the pilot fuel alone, better and eased cycle to cycle stabilization and better power output. It also quite dramatically reduced the amount of pilot fuel needed. It seems that the additive helps to keep ammonia in the combustion event even…