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| his paper investigated the improvement of spray characteristics and exhaust emissions of diesel
engines by reformulating the fuel compounds and physico-chemical parameters. Three oxygenated fuels including
ethanol, dimethyl carbonate (DMC), and dimethoxy methane (DMM) were applied to mix with diesel. Basic
properties directly related to engine parameters and those characterizing fuel quality were investigated. The laser
phase doppler anemometry (PDA) analyzer system was applied to obtain the spray characteristics, including the
Sauter mean diameter (SMD) and axial mean velocity distribution, of DMM-diesel hybrid fuels. Furthermore,
engine tests of oxygenated hybrid fuels were performed on a 4-cylinder, water-cooled high speed DI diesel engine.
The results show that the evaporation properties and the fuel transportation parameters could be optimized using
hybrid fuel, and the engine behavior seemed to be improved in the presence of oxygenated additives with a
reduction of poll |
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| Keywords:Fuel design concept; Oxygenated fuel; Hybrid fuel; Spray characteristics; Phase Doppler Anemometry(PDA); Emission; Diesel engine |
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