Characteristics of Output Performances and Emissions of Diesel Engine Employed Common Rail Fueled with Biodiesel Blends from Wasted Cooking Oil

Xusheng Zhang; Haibin Wang; Liguang Li; Zhijun Wu; Zongjie Hu; Hui Zhao

doi:10.4271/2008-01-1833

2008-06-23

Characteristics of Output Performances and Emissions of Diesel Engine Employed Common Rail Fueled with Biodiesel Blends from Wasted Cooking Oil 2008-01-1833

In this paper, the characteristics of performance and emissions of diesel and biodiesel blends are studied in a four-cylinder DI engine employing common rail injection system. The results show that engine output power is further reduced and brake specific fuel consumption (BSFC) increased with the increase of the blend concentration. B100 provides average reduction by 8.6% in power and increase by 11% in BSFC. With respect to the emissions, although NOx emissions were increased with increasing the blend concentration, the increase depends on the load. Filter smoke number is reduced with increasing the blend concentration. At the same time, NO, NO₂ and other specific emissions are also investigated.

In addition, difference of performance and emission between standard parameters of ECU and modified parameters of ECU is investigated for B10 and B20 based on same output power. The results show that NOx emission and FSN are still lower than baseline diesel. In addition, no significant penalty of fuel consumption is found

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Characteristics of Output Performances and Emissions of Diesel Engine Employed Common Rail Fueled with Biodiesel Blends from Wasted Cooking Oil 2008-01-1833

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