An experimental study to measure the evaporation rates, engine performance and emission characteristics of Madhuca Indica (Mahua) biodiesel (Mahua Oil Methyl Ester) and its blends in different volumetric proportions with diesel is presented. The thermo-physical properties of all the fuel blends have been measured and presented. Evaporation rates of neat Mahua biodiesel, neat diesel, and their bends have been measured under slow convective environment of air flowing with a constant temperature. Evaporation constants have been determined by using the droplet regression rate data. The neat fuels and fuel blends have been utilized in a test engine with different load conditions to evaluate the performance, combustion and emission characteristics of the fuels. The specific fuel consumption values of these two blends have also been almost the same for the blends, B25 and B75. At the highest load, B0 records the lowest CO volume followed by B100. From the observed evaporation, performance, and emissions characteristics, it can be suggested that a blend of B75 can be optimally used in standard diesel engine settings.
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Solaimuthu et al. (2014) studied this question.
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