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  • Küçük Resim
    Öğe
    The Effect on Performance and Exhaust Emissions of Adding Cotton Oil Methyl Ester to Diesel Fuel
    (2016) Kahraman, Ali; Ciniviz, Murat; Örs, İlker; Oğuz, Hidayet
    In the study, engine performance and exhaust emissions of diesel fuel and cotton oil methyl ester (COME) blends at proportions of 2%, %5 and 10% (v/v) have been investigated. The engine was fuelled with COME-diesel blends and pure diesel when running the engine at six different engine speed (1000, 1200, 1400, 1600, 1800, 2000 rpm) and at full load. Test results are presented engine torque and specific fuel consumption (SCF) as engine performance, and Carbon monoxide (CO), Hydrocarbon (HC), smoke and nitrogen oxides (NOx) as exhaust emissions. As result, this study is show that although engine performance decreased with COME adding to diesel fuel, exhaust emissions was generally improved.
  • Küçük Resim
    Öğe
    Effects on Performance, Emission and Combustion Parameters of Addition Biodiesel and Bioethanol into Diesel Fuel
    (2017) Örs, İlker; Kahraman, Ali; Ciniviz, Murat
    In this study, safflower based biodiesel produced in the pilot plant were blended with certainamounts of diesel fuel and bioethanol from sugar beet. Diesel fuel and the blends were testedin a direct injection diesel engine and engine performance, combustion and exhaust emissioncharacteristics were investigated. According to test results, the brake specific fuel consumptionsof biodiesel blend were about 8.51% higher than diesel fuel. Bioethanol is increased brakespecific fuel consumptions values up to 26.77%. The maximum cylinder gas pressure ofbiodiesel blend was about 0.46% higher than that of diesel fuel on average. This value wasdecreased about 1.75% with using of bioethanol. The exhaust emission results showed thatbiodiesel blend decreased carbon dioxide emissions and smoke opacity, while it increasednitrogen oxide emissions and exhaust gas temperature. Nitrogen oxide emissions, smokeopacity and exhaust gas temperature values were decreased with adding bioethanol, while itincreased carbon dioxide emissions.