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

Year 2019, Volume: 8 Issue: 3, 103 - 116, 31.10.2019

Ahmet Uyumaz Fatih Aksoy Fatih Akay Şükrü Ayhan Baydır Hamit Solmaz Emre Yılmaz Bilal Aydoğan Alper Calam

https://doi.org/10.18245/ijaet.578227

Cited By: 4

Abstract

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.

Keywords

Biodiesel, Exhaust Emissions, Transesterification, Engine Performance, Combustion

Supporting Institution

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

Project Number

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

Thanks

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.

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