In this study; 95 octane unleaded gasoline and bioethanol were tested as fuel in a spark-ignition engine by blending bioethanol with gasoline in certain proportions (2%, 4%, 6%, 8%, 10%). Tests were carried out at five different engine loads for a constant engine speed of 2500 rpm. The variations in engine performance parameters (brake thermal efficiency, brake specific fuel consumption, brake specific energy consumption) and exhaust emissions (HC, CO, CO2 and O2) were investigated on the basis of test fuel and engine load. According to the test results, with the increase of bioethanol ratio in the blend, brake specific fuel consumption values increased by 9.71% and brake thermal efficiency values decreased by approximately 4.97% compared to gasoline. There was decrease in HC and CO emissions and an increase in CO2 emissions with bioethanol addition.
Alan : Mühendislik
Dergi Türü : Uluslararası
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