An Experimental Investigation on The Effects of Waste Olive Oil Biodiesel on Combustion, Engine Performance and Exhaust Emissions

Öz

In this study, the biodiesel obtained from the waste olive oil by transesterification method has been mixed with a 30% of diesel fuel as volume and tested with a single cylinder direct injection diesel engine. The main purpose of this study is to obtain purer biodiesel from waste olive oil using methyl alcohol (CH₃OH) and sodium hydroxide (NaOH) as catalyst in the transesterification method and research performance, combustion and emission characteristics in detail in a direct injection diesel engine. The combustion, engine performance and exhaust emission values have been also compared with diesel fuel. The test engine was operated at a constant speed of 2200 rpm and different engine loads such as 3.25 Nm, 7.5 Nm, 11.25 Nm, 18.75 Nm. According to the experimental results, the thermal efficiency of biodiesel is lower by about 1% to 5% than diesel. CO is lower about 37.5 % with biodiesel than that of diesel at 18.75 Nm. CO₂ is higher 41% with biodiesel than diesel at 11.25 Nm. NO_x was measured 9.5% higher than diesel fuel at 18.75 Nm. Soot emissions decreased by 37.5% compared to diesel.

Anahtar Kelimeler

• Biodiesel,Exhaust Emissions,Transesterification,Engine Performance,Combustion

Destekleyen Kurum

Afyon Kocatepe University Scientific Research Projects Unit number 16.FEN.BİL.05.

Proje Numarası

Afyon Kocatepe University Scientific Research Projects Unit number 16.FEN.BİL.05.

Teşekkür

The fuel and analyzes used in this study were provided with the support of Afyon Kocatepe University Scientific Research Projects Unit number 16.FEN.BİL.05. Engine performance and emission tests were carried out at Gazi University, Faculty of Technology, Automotive Engineering Department. The authors thank to Afyon Kocatepe University and Prof. Dr. Hüseyin Serdar Yücesu gives permisson to perform the tests.

Kaynakça

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