含氧生物燃料在发动机中的行为

A. Prabu
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引用次数: 1

摘要

通过实验研究,揭示了含氧混合物作为麻疯树生物柴油添加剂对直喷压缩点火发动机性能、燃烧和排放特性的影响。实验在一台配备数据采集系统、交流交流发电机和电动加载装置的仪表化单缸气冷四冲程直喷柴油机上进行。选择了乙二醇(C2H6O2)、碳酸二甲酯(C3H6O3)、2-丁氧基乙醇(C6H14O2)和丙二醇(C3H8O2)四种氧合物添加剂,制备了9种不同的组合氧合物试验燃料,分别获得了与生物柴油的氧合物体积比为1、2和4%的燃料。观察到二氧化碳排放量显著减少60%,未燃烧的HC排放量减少11%,烟雾排放量减少27%。观察到制动热效率大幅提高了6%,而NO排放量略微增加了4%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Behaviour of Oxygenated Biofuels in Engines
An experimental investigation was conducted to disclose the outcomes of oxygenate mixture as additives in Jatropha biodiesel on the performance, combustion, and emission characteristics of a direct injection compression ignition engine. The experiments were conducted in an instrumented single-cylinder, air-cooled, four-stroke, direct-injection diesel engine, equipped with data acquisition system, AC alternator, and an electric loading device. Four oxygenate additives, namely, Ethylene Glycol (C2H6O2), Di methyl Carbonate (C3H6O3), 2-Butoxyethanol (C6H14O2), & Propylene Glycol (C3H8O2) were selected and nine different combinational oxygenate test fuels were prepared attaining ratios of 1, 2, and 4% volume of oxygenates with biodiesel. A significant reduction of emissions such as CO by 60%, Unburned HC by 11%, and smoke emissions by 27% were observed. Substantial improvement in brake thermal efficiency by 6% was observed, while NO emission increased marginally by 4%.
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