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The Investigation of Thermodynamics and Combustion Properties of Alcohol-Gasoline Blends in an SI Engine

机译:SI发动机中乙醇汽油混合物的热力学和燃烧特性研究

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In this study, the thermodynamic properties, energy release, combustion, and emission variations in a spark ignition (SI) engine fueled with alcohol-gasoline blends and gasoline has been investigated. Test results showed that the net indicated work area of alcohol-gasoline blends was wider than pure gasoline blends and also; this situation affected positively the brake mean effective pressure and engine power output. The mass burn ratio of alcohol-gasoline blends was higher than those of pure gasoline. The exhaust emission level decreased with the increase of ethanol content in the fuel blend, but similar results was not observed with methanol-gasoline blends.
机译:在这项研究中,已经研究了以酒精-汽油混合物和汽油为燃料的火花点火(SI)发动机的热力学性质,能量释放,燃烧和排放变化。测试结果表明,酒精-汽油混合物的净指示工作面积比纯汽油混合物还宽;这种情况对制动平均有效压力和发动机功率输出产生了积极影响。醇汽油混合物的质量燃烧率高于纯汽油。尾气排放水平随燃料混合物中乙醇含量的增加而降低,但甲醇-汽油混合物未观察到相似的结果。

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