A Study on Effect of Injection Pressure on the Performance and Emission of CI Engine with B20 and B30 Blends of Mahua Methyl Ester
2017
Mahua is the second largest available natural source of feedstock for biodiesel in India. Biodiesel is not just only a substitute fuel to the diesel engines but also plays a crucial role in protecting environment, enhancing economy and also leads the challenge in exploiting the best way to be used in CI (compression ignition) engine. The present research paper studies the performance and emission characteristics of CI engine with 20% and 30% blend of mahua methyl ester with diesel (B20MOME and B30MOME) are carried on a single cylinder diesel engine at 200bar, 220bar and 240 bar fuel injection pressure. The study shows that the increased blend has deteriorating effect on brake thermal efficiency (BTE) of CI engine. BTE of B20MOME is better than BTE of B30MOME. At higher injection pressure the performance of the B20 blend is better compared with at lower injection pressure. The brake thermal efficiency of 30.09% is obtained at B20MOME at 240 bar injection pressure. NOx (Oxides of Nitrogen) emission of blended B20MOME and B30 MOME is higher than with diesel as fuel. HC (unburned Hydrocarbon) and CO (carbon monoxide) emission of blended MOME is lower than diesel.
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