Experimental Investigation on Effect of LHR in Diesel Engine Fuelled with Waste Cooking Oil Biodiesel

Diesel-powered engines are best suitable for light and heavy-duty vehicles. Because of the high thermal efficiency, it is widely used in the transportation sector. The rapid increase in global fossil fuel demand has raised fuel prices and causes a huge demand for petroleum fuels. And the stringent Emission norms increased the need for a highly efficient engine. In this work, a low heat rejection diesel engine coated with thermal barrier coating is used to test the biodiesel obtained from waste cooking oil. The Thermal barrier coating is given for 30pm, 40 pm, and 60 pm with yttrium stabilized zirconia. It is observed that the thermal barrier coating with 30pm shows better results. The brake thermal efficiency of the engine with LHR and biodiesel observed an increase in its efficiency. And emission concentrations were increasing with respect to waste cooking oil biodiesel when compared with diesel. The experiment was performed in the laboratory with a single-cylinder water-cooled diesel engine. The emission concentrations are measured with a portable emission analyzer.