Investigation of using biofuels in mobile power plants in terms of performance, emission and cost

In this study, biodiesel is produced from oils that have different characteristics applying the transesterification of acid and base catalyzed. It is seen that to be appropriate for the TS-EN 14214 standards these values obtained from fuels. Produced biodiesel have mixed with fuel (5%, 10% and 20%) and tasted in three-cylinder direct injection diesel engine. The engine performance characteristics and exhaust emission changes were examined in comparison with diesel fuel. In addition, electricity production costs in the long-term use of biodiesel in diesel generators is calculated. Experimental results are indicated that biodiesel and mixed fuels show similar characteristics. With increasing biodiesel percentage in the fuel specific, the fuel consumption and exhaust temperature has increased. Compared to diesel fuel in the use of biodiesel, while CO, HC and smoke emissions decrease, NOx, CO2 and O2 have increased. Based on short and long term diesel engine tests the results showed that biodiesel and mixed fuels can be used with direct injection diesel engine without make any changes in the engine structure. Besides it is seen that these fuels can be used alternative fuel with diesel engines with the aim of reduce the pollution.