Effect of exhaust gas recirculation (EGR) on diesel engine using Simarouba glauca biodiesel blends
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Date
2015
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Regional Energy Resources Information Center (RERIC) enreric@ait.ac.th
Abstract
This article deals with the usage of non-edible Simarouba glauca (paradise) oil as a biodiesel for single cylinder diesel engine with application of exhaust gas recirculation (EGR) rates. Biodiesel blends B10, B20 with EGR rates of 10%, 15%, and 20% are used for different load conditions. Parameters like brake thermal efficiency (BTE), nitrogen oxides (NOx), carbon monoxide (CO), hydrocarbons (HC) and smoke opacity were evaluated from the experimental study. The results show that Simarouba glauca biodiesel usage decreases HC, CO and smoke emissions with slight increase of NOx, also an improvement in the performance was observed for B10 blend. EGR rates 10% and 15% are beneficiated in terms of performance and emission but negative trend is observed for 20% EGR rate. On the whole it is concluded that a better trade-off between NOx and other emissions is attained with simultaneous application of EGR (15%) and biodiesel blend (B10) without compromising engine performance.
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Keywords
Biodiesel, Carbon, Carbon monoxide, Diesel engines, Economic and social effects, Efficiency, Engine cylinders, Engines, Gases, Nitrogen oxides, Bio-diesel blends, Brake thermal efficiency, Engine performance, Exhaust gas recirculation (EGR), Exhaust gas recirculation rates, Performance and emissions, Single-cylinder diesel engine, Thermal efficiency, Exhaust gas recirculation
Citation
International Energy Journal, 2015, 15, 2, pp. 73-82