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Experimental investigation on performance of a turbocharged DI diesel engine using isopropanol-diesel fuel blends

机译:使用异丙醇 - 柴油燃料混合物进行涡轮增压DI柴油机性能的实验研究

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摘要

Experimental study was conducted to investigate the effects of using isopropanol-diesel fuel blends on the engine performance and exhaust emissions in an electronic control high-pressure common rail turbocharged direct injection diesel engine. Experiments have been performed for different isopropanol-diesel blends, kept at different blending proportions, P5 (P5 contains 5% isopropanol and 95% diesel fuel by v/v), P10, P15 and P20, at engine speed of 2000r/min and different loads. The performance, combustion and emission characteristics observed while using blended fuels were analysed and compared with that of pure diesel as fuel without adding isopropanol. The results show that the isopropanol addition can significantly improve smoke emissions. The THC and NO_x emissions increased except CO emissions. Isopropanol-diesel fuel blends provide little effect on the in-cylinder pressure and heat release rate at selected operating conditions. Brake specific fuel consumption of isopropanol-diesel fuel blends becomes higher than diesel fuel.
机译:进行了实验研究以研究使用异丙醇 - 柴油燃料混合对电子控制高压共同轨道涡轮增压直喷柴油发动机发动机性能和废气排放的影响。已经对不同的异丙醇 - 柴油混合物进行了实验,以不同的混合比例保持,P5(P5含有5%异丙醇和95%柴油燃料通过V / V),P10,P15和P20,在2000r / min的发动机速度和不同负载。分析使用混合燃料的同时观察到的性能,燃烧和排放特性,并与纯柴油的燃料相比,而不加入异丙醇。结果表明,异丙醇添加可以显着改善烟雾排放。除CO排放外,THC和NO_X排放量增加。异丙醇 - 柴油共混物对所选择的操作条件下的缸内压力和热释放速率几乎没有影响。制动特定的异丙醇 - 柴油燃料共混物的燃料消耗变得高于柴油燃料。

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