Evaluation of DMF as an efficient fuel for direct injection spark ignition (DISI) engine

Abstract

Alternative fuels are very important when considering the power requirements in the modern world today. Biofuels were introduced to satisfy these requirements which will play a major role in future. 2,5-dimethylfuran known as DMF was developed as a new biofuel and it has several advantages over others as a gasoline alternative biofuel. But when we talking about automobiles, engine modification are needed to make use of biofuels. Our research is about evaluation of DMF as an efficient fuel for direct injection spark ignition engine. A mounted four stroke direct injection spark ignition engine (DISI) with 100CC capacity, was used to perform the research. Also supporting instruments were required with engine to take the measurements which were needed to check the performance through analysing results. ‘Single cylinder multi fuel VCR engine test rig’; a special multi fuel testing system was used to get testing results. DMF, ethanol with different percentages by volume and pure petrol samples were tested under different engine conditions. When analysing results, a mathematical model was developed with considering various engine specifications. Brake power, indicated power, friction power, and heat losses were considered. Also, specific fuel consumption, mechanical efficiency, brake thermal efficiency, indicated thermal efficiency and volumetric efficiency were calculated because these are the main facts required to check the engine performance. Using our results various graphs are plotted between different parameters of engine and fuels.