Özet:

In this study, biodiesel obtained from waste frying oil was used as fuel in a single cylinder direct injection engine, the performance, combustion and emission results were compared with petroleum-based diesel fuel, cotton oil biodiesel and safflower oil biodiesel. According to the results of the experiment; although biodiesel produced from waste frying oil reduced engine performance parameters compared to conventional diesel fuel, it has caused better performance parameters compared to other biodiesel fuels. Due to its similar fuel characteristics with cotton and safflower biodiesel, significant improvements were observed in emission values compared to diesel fuel. When examined in terms of combustion characteristics, it is seen that the maximum cylinder pressure is obtained with waste frying oil biodiesel. Thus, it has higher performance values than other biodiesels. It is demonstrated by the results of this study that if it is preferred as biodiesel feedstock, similar results will be obtained with other biodiesel fuels.

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