Investigation on the effect of thermal barrier coating at different dosing levels of cerium oxide nanoparticle fuel on diesel in a CI engine

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Abstract
In the recent times, the limitations on the exhaust emissions of the internal combustion engines are becoming increasingly rigorous due to environmental safety. Carbon monoxide, oxides of nitrogen, particulates and hydrocarbon are the prime noxious waste emitted by diesel engines. This experimental study involves the analysis of engine performance and emission characteristics of a single cylinder diesel engine with yttria- and ceria-stabilised zirconia coating on a cylinder liner and piston head. Varied dosing levels were added to diesel in both uncoated and coated engines. The experiment resulted in noticeable changes in the selected thermal barrier coating and dosing of cerium oxide additive nanoparticle in diesel. A surge of 2.1% in the brake thermal efficiency and downturn of 3% brake-specific fuel consumption when compared to standard diesel mode in the uncoated engine was discerned. Emission level of nitrogen oxide, carbon monoxide and hydrocarbon also underwent a considerable decline.

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