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Experimental Study of the Compression Ignition Engine Performance Using Various Bio Diesel Blends

Adaileh Wail

Advances in Science and Technology. Research Journal

2022

Vol. 16, no 4

29--37

The purpose of this study is to experimentally investigate the performance of compression ignition engine using a biodiesel extracted from waste cooking oils (WCO), such as, falafel frying palm oil, chicken frying soybean oil, and fresh oils, such as soybean and olive oils. After producing biodiesel from WCO and fresh oils, the mixtures were blended with pure diesel in two percentages as follows: B20 (20% biodiesel from each type, 80% pure diesel) and B10 (10% biodiesel from each type, 90% pure diesel). The biodiesel blends were used as an alternative fuel for diesel engine. The ignition performance of the fuel blends was compared with that of pure diesel B00 (0% biodiesel, 100%pure diesel). To analyze the effect of biodiesel on engine performance, the engine was operated at variable load from 0 to 6 kW and constant speed at 2000 RPM. For engine performance, brake power, brake specific fuel consumption and brake thermal efficiency were analyzed. The results showed that pure diesel produces higher brake force (BP) than all biodiesel blends. The highest value for brake specific fuel consumption (BSFC) at variable load is for B20-F (20% biodiesel from falafel frying oil, 80% pure diesel) is equal to 0.243426 gm/kW.s. The highest value for brake thermal efficiency (BTE) is for B10-S (10% biodiesel from soybeans oil, 90% pure diesel) is equal to 27.6%.