Abstract
The main objective of this study is to evaluate the effect on diesel engine performance, exhaust emission and combustion characteristics of canola oil biodiesel. The biodiesel was blended with petroleum-based diesel fuel (DF) by 10% (B10), 20% (B20) and 50% (B50) volumetrically. Engine tests were carried out on a direct injection, single-cylinder, compression ignition engine at different engine loads and the results were compared with the reference DF. The results showed that the maximum cylinder pressure and heat release rate values of DF were higher than those of the biodiesel blends at all engine loads. The addition of biodiesel to DF increased the brake specific fuel consumption (BSFC) and decreased the brake thermal efficiency (BTE) at all engine loads. In addition, biodiesel blends caused a slight increase in nitrogen oxide (NOx) emissions while causing a decrease in smoke opacity and carbon monoxide (CO) emissions.
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