ANALYSIS OF THE EFFECT OF SME B20 FUEL ON THE DIESEL ENGINE PERFORMANCE’S SOOT AND NOX EMISSIONS AT DIFFERENT INJECTION ADVANCES WITH DIESEL RK

Machanical Engineering

The increasing energy need, the uneasiness that fossil sourced fuel might be exhausted, the increasing environment awareness and requirements have directed the researches to search for alternative fuels and to studies related to decreasing the emission of pollutants like CO2, HC, NOx, soot and SOx. Diesel engines are presently being used intensively in different sectors. The most important among the diesel engine sourced pollutants are NOx and soot emissions. These studies are both time and cost intensive for the researchers. There are in general different commercially used software in the market. The operating logic of these software is based on the 1st law of thermodynamics. In this study we conducted is standard B20 fuel modelled at different injection advances (16°KMA, 20°KMA, 24°KMA and 28°KMA) assessed with diesel fuel at standard injection advance with the Diesel-RK software in the program library. As a result, it is observed that the power loss has decreased by nearly 1-2% and the SFC increased by nearly 2% for the B20 fuel at 28°KMA compared with diesel fuel. It is revealed that there was an NOx emission increase of nearly 8% and a decrease of the soot emission by 3% to 33%.

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