Specific Challenges for Ammonia Engines
challenges specific pour les moteurs à l'Ammoniac
Résumé
Despite several trials of ammonia-powered vehicles in the past, no vehicles are currently on the road. Theoretical studies in the 1960s highlighted the various technological challenges to be overcome. Now that the world is aware of the need to move towards a low-carbon society, the cards have been reshuffled: not only ammonia is considered as one of the vectors of clean electricity for the future, but it can also be a fuel in its own right, even if its fundamental combustion characteristics are not advantageous. Some various aspects ranging from control of injection, in the gaseous or liquid phase, ignition and combustion itself, to pollutant emissions and their possible post-treatment are summarized.
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