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Performance Evaluation of Diesel Engine with Biodiesel along with Additive for Replacing Diesel Fuel

K. Prasada Rao and Vara Lakshmi Reddy

Experimentation has been carried out with additive Diethyl Ether (DEE) and Mahua biodiesel in diesel engines to replace convectional fuels. This idea is being floated with the objective that low temperature combustion can be maintained and thereby reducing the NOx emission. Biodiesel application reduces other emissions substantially, but for NOx. This is because of the reason that Tran esterified vegetable oil contains oxygen in its molecular structure. DEE possesses different properties altogether with higher Cetane number, lesser auto ignition temperature etc., may show the way for smoother start of combustion at lower atmospheric temperatures also. In this study DEE mixed with the Mahua methyl ester (MME) at different proportion such as 3%, 5% 10% and tested at different loads on diesel engine. Emission levels are decreased substantially with 15% DEE blend with MME at full load. The thermal efficiency rise and SFC are better in the case of 15% additive blend.