Dizel Motorlarında Zararlı Egzoz Emisyonlarının Azaltılmasının Araştırılması

Abstract

The matters that cause to air pollution is expanded to atmosphere in everywhere is produced energy in the world. These pollutions that expended to environment especially from chimney and exhaust pipe of combustion systems areeffected human wealth and livings life conditions. In this study, to aim to decrease harmful exhaust emissions sunflower oil methyl ester was mixed volumetrically with diesel fuel in %25 proportion. The mixture was tested in four stroke, air cooled, direct injection diesel engine with single cylinder in different speed (rpm) and emission values were measured. These values were compared with the ones for diesel fuel. The results showed that the mixture of sunflower oil methyl ester and diesel fuel gave a power and torque close to the values obtained from the diesel fuel and the amounts of pollutants decreased. At the maximum torque, amount of CO and NOx decreased 21% and 11% respectively. Similarly, they decreased 7% and 12% at maximum power speed. As a result, considering the exhaust gas emissions it was seen that sunflower oil methyl ester and diesel fuel mixture could be used as an alternative fuel in a diesel engine. Keywordsalternative fuels, vegetable oils, diesel engine, methyl ester, CO, NOx.