Analysis of the Effect on the Mechanical Injection Engine Using Doped Diesel Fuel by Ethanol and Bio-Oil

Abstract

The focus of this work is to analyze the effects of the specific parameters on mechanical injection engine by adding 7% of ethanol and 3% of bio-oil in the diesel base. The ignition delay time, pressure behavior into the combustion chamber, emission of particulate matter and unburned hydrocarbons, specific fuel consumption and the indicated work measurements are considered. The results achieved in this work intend to alert to the possible faults committed in use of blends. The combustion process into the mechanical injection engine chamber using this fuel composition elevates in 5 % the specific consumption, lowering the indicated work in 40 % and the efficiency. As consequence, the particulate matter and unburned hydrocarbons emissions increases 300 and 60 %, respectively, compared with diesel base. However, a better engine performance using blends can be exhibit performing changes in compression ratio and injection parameters. Hence, the old engines should be adapted to receive new fuel compositions in order to run properly. Furthermore, the projects of suitable engines must consider these effects to increase the energy efficiency and control the emissions.
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