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Improving the Poor Properties of Methyl Ester with Pyrolysis Oil and Fossil Diesel –an Experimental Investigation on PSZ Ceramic Coated Engine with the Addition of GO Nanoparticles
The aim of this work is to assess the effect of graphene oxide (GO) nanoparticles on performance and emission characteristics of a ceramic coated diesel engine fuelled with ternary blends of pyrolysis oil-methyl ester-diesel. Tyre pyrolysis oil and hemp oil methyl ester (biodiesel) have been produced and PBD20 (10%pyrolysis oil + 10%biodiesel + 80% diesel) blend has been prepared for engine analysis. This work also evaluate the performance and emission characteristics of the engine operated with PBD20 with different dosage of GO in both conventional and partially stabilized zirconia (PSZ) coated engines. Initially, base diesel, 20% blend and 20% blend with different GO dosage level are tested in a standard engine and later, the same fuels are tested in a ceramic coated engine under varying load conditions from 0 to 100%. The performance parameters such as brake thermal efficiency (BTE), brake specific fuel consumption (BSFC), emission parameters such as carbon monoxide (CO), hydrocarbons (HC) and oxides of nitrogen (NOx) are all measured. The results showed that the engine is able to run on blends of tyre pyrolysis oil and hemp oil at different loads, showing similar performance to diesel. From the research, it is noted that PBD20 with 50 ppm GO in a coated engine showed 4.41% higher performance than diesel operated in a standard engine. The BSFC of the engine running on the same blend showed similar trend to diesel. The emission of CO and HC are reduced by 40% and 25.58%, respectively, when the engine operated using PBD20GO50 in coated engine.
Keywords
Ceramic coating, IC engine, Nanoadditives, Performance characteristics, Ternary blend
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