Study on the Performance and Emission Traits of CI DI Engine using Lower Proportion Papaya Biodiesel-Conventional Fuel Blends
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Abstract
Despite of their several negative impacts and disadvantages, non-renewable fossil fuels are continuing as a primary source in energy sector and human transportation due to the absence of suitable substitute. In recent days, biodiesels, often called as clean burning renewable fuels. It’s said to be the suitable replacement of harmful and depleting fossil fuels. In the present research investigation lower proportion methyl ester-conventional fuel blends (B25 and B50) derived from second generation feedstock seed (papaya seed) containing 35% of oil is employed as fuel to run a 5.2 kW CI DI engine at 1500 rpm. From the research outcomes, it is found that the blend B25 is found optimum when compared with the blend B50 as it resulted in similar brake specific fuel consumption (BSFC) and brake thermal efficiency (BTHE) of 0.28 kg/kWh and 31.44% as that of conventional fuel (0.26 kg/kWh and 31.46%). Furthermore, the optimum fuel revealed declined emission of CO (0.09 % by volume) and HC (55 ppm), except the emission of NOX (988 ppm) when contrasted with conventional fuel.
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