| Summary: | Biodiesel is an alternative fuel for diesel engines which doesn’t contain
pollutants and sulfur; on the contrary it contains oxygen. In addition, both
physical and chemical properties of sunflower oil methyl ester (SME) are
identical to diesel fuel. Conversely, diesel and biodiesel fuels are widely
used with some additives to reduce viscosity, increase the amount of cetane,
and improve combustion efficiency. This study uses diesel fuel, SME and its
mixture with aviation fuel JetA-1 which are widely used in the aviation
industry. . Fuel mixtures were used in 1-cylinder, 4-stroke diesel engine
under full load and variable engine speeds. In this experiment, engine
performance and emission level are investigated. As a conclusion, as the
JetA-1 ratio increases in the mixture, lower nitrogen oxide (NOx) emission is
measured. Also, specific fuel consumption is lowered.
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