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Öğe Exhaust emissions from a spark-ıgnition engine operating on Iso-propanol and unleaded gasoline blends(Technology, 2010) Altun, Şehmus; Öner, Cengiz; Fırat, MüjdatIn this study, the effect of blends of iso-propanol and unleaded gasoline on exhaust emissions of a sparkignition engine were experimentally investigated. Exhaust emission tests were conducted on a four-stroke, four cylinder and direct injection spark-ignition engine. The engine tests were performed at three-fourth throttle opening position at four various speeds in the range of 1000-4000 rpm with 1000 rpm period. The experimental results compared with unleaded gasoline showed that emissions of carbon monoxide (CO) and hydrocarbon (HC) decreased with iso-propanol-unleaded gasoline blends while carbon dioxide (CO2) emission increased.Öğe Effect of a mixture of biodiesel diesel ethanol as fuel on diesel engine emissions(Electronic Journal of Vehicle Technologies, 2011) Altun, Şehmus; Yaşar, Fevzi; Öner, Cengiz; Fırat, Müjdat
