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Performance Analysis of CI Engine Fueled with Diesel and Used Vegetable Oil Blend

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Abstract (2. Language): 
This paper investigates the performance of compression-ignition engine fueled with various proportionate blends of biodiesel. The biodiesel was gotten from the transesterification of used vegetable oil with diesel. The experiment was carried out in a single cylinder, two-stroke compression-ignition engine with variable engine speeds (1500, 1600, 1700, 1800 and 1900 rpm). Four different blends on a volume basis were used. These are B0 (0%biodiesl + 100%diesel), B4 (4%biodiesel + 96%diesel), B6 (6%biodiesel + 94%diesel), and B8 (8%biodiesel + 92%diesel). Results of the engine test with proportionate blends of the biodiesel with diesel fuel improved output torque and brake power of the engine; it was however, noted that the fuel consumption of the compression-ignition engine increased with respect to pure diesel, also the brake specific fuel consumption of biodiesel was higher than the results obtained for pure diesel.
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