In view of environmental pollution criteria and reduction of finite petroleum resources, researchers allowed a specific importance on the usage of substitute fuels in Internal combustion engines. Due to the availability and desirable properties, Bio-diesel is considered as one of the best substitute fuels for Internal combustion engines. Additives will assist the fuel to recuperate its engine ecological norms with regard to combustion, performance and emission. The oxygenated additives with biodiesel will enhance the ignition quality of the fuel with reduced environment contamination. Further, metal-based additives are utilized in order to improve the quality of fuel by reducing the unburn hydrocarbons in IC engines. In the present experimental work, an effort is made at investigating the impact of oxygenated and metal-based additives with Mahua biodiesel at optimized blend in a single cylinder diesel engine. Initially experiments are conducted to optimize the blend of transeterified Mahua oil with diesel fuel with respect to performance, combustion and emission parameters. Ethanol as oxygenated additive and 50 ppm concentrations of Aluminium oxide as metal-based additive are prepared, through an ultra-sonication process. For optimized biodiesel of Mahua oil, the impact of additives on parameters such as Brake thermal Efficiency, Brake Specific Fuel Consumption, cylinder pressure, heat release rate and emission parameters Hydrocarbon, Carbon monoxide, Carbon dioxide, oxides of nitrogen emissions are evaluated and compared. In CI engines, with biodiesel usage reduces the emission particulates to the significant extent. With oxygenated additives, there is significant improvement in Performance characteristics is noticed. The presence of oxygen content in bio diesel results to increased rate of oxides of Nitrogen formation. In this work there is substantial reduction in emission of NOx is noticed with nano additives due to control of temperatures inside the cylinder.In view of environmental pollution criteria and reduction of finite petroleum resources, researchers allowed a specific importance on the usage of substitute fuels in Internal combustion engines. Due to the availability and desirable properties, Bio-diesel is considered as one of the best substitute fuels for Internal combustion engines. Additives will assist the fuel to recuperate its engine ecological norms with regard to combustion, performance and emission. The oxygenated additives with biodiesel will enhance the ignition quality of the fuel with reduced environment contamination. Further, metal-based additives are utilized in order to improve the quality of fuel by reducing the unburn hydrocarbons in IC engines. In the present experimental work, an effort is made at investigating the impact of oxygenated and metal-based additives with Mahua biodiesel at optimized blend in a single cylinder diesel engine. Initially experiments are conducted to optimize the blend of transeterified Mahua oil with diesel...
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