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Journal of Engineering Research

Journal of Engineering Research

Abstract

Almost 50% of new car registrations in Europe at the turn of the century were diesel. However, reports of harmful NOx emissions have been corroborated by diesel emissions scandals, which have sent the diesel engine market into a tailspin and raised concerns about the diesel engine's long-term viability. Developing of diesel cars with low NOx emissions has been announced by major automakers. Modern posttreatment systems can be installed, and they will result in decreased NOx emissions for heavy-duty, marine, or power production applications. Despite attempts to lower NOx emissions, the automobile, marine, and power generation industries must decarbonize if we are to reach greenhouse gas emission objectives and prevent global warming. Using fuels with low carbon, like ammonia, can help decarbonize a diesel engine. Using ammonia as a fuel for diesel engines is discussed at length in this work. To drastically lower carbon emissions, Ammonia could be burned when mixed with diesel or another low-temperature fuel in a dual-fuel system. Creating advanced injection technologies can improve overall emissions while also improving performance. However, due to the coupling of nitrogen to the fuel, dual fuel combustion of ammonia currently has relatively large emissions of ammonia and nitrogen oxides. As a result, post-processing mechanisms need to be put in place. With the introduction of modern combustion systems like HCCI, PCCI, and RCCI systems, ammonia is currently only a practical alternative in specific applications including maritime, power generating, and maybe heavy duty.

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