An experimental and modelling study of dual fuel aqueous ammonia and diesel combustion in a single cylinder compression ignition engine

The ability of ammonia to act as a hydrogen carrier, without the drawbacks gas-storage costs and low stability-renders it potential solution decarbonisation transport. This study combines both modelling experimental techniques determine effect varying degree aspiration ammonium hydroxide (NH4OH) solution, at different engine loads, in combustion compression ignition engine. Ignition delay was extended injection increased, causing an increase peak in-cylinder temperature, but generally lower quality-increasing incomplete products, while decreasing particle size. higher temperatures correlated with nitrous oxide (NOx) emissions exhaust, though fuel-bound nitrogen apparent. Chemical kinetic equivalent conditions found increasing levels unburnt greater aspiration. Moreover, ignitability NH4OH improve simulations substituting diesel peroxide direct injection.