Abstract
The use of renewable fuels is one approach for sustainable energy future for the world, with the crude oil prices going up day by day, and also keeping environment concerns in mind we need to look for other alternatives. The aim of this study is to identify the optimum blend ratio and compare the performance and emission characteristics of diesel with biodiesel and its blends and also compare theoretical values with the experimental values. In this study, a four stroke twin cylinder diesel engine is created in Diesel-RK software, and the engine is tested for various performance parameters like brake power, brake mean effective pressure, brake thermal efficiency, and brake specific fuel consumption, and emission characteristics like NOx emissions, CO2 emission, and particulate matter emission are noted, and then different biofuels like rapeseed methyl esters and soybean methyl esters are designed along with different blends (B100, B20, B40), after obtaining the theoretical values from the software the same parameters are obtained from an actual engine of similar setup as that of the software and then the values are compared. From the simulations, it was seen that the performance and emission characteristics of diesel were better than biodiesel and its blend. B20 blend is the optimum blend ratio.
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