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Performance enhancement of a spark ignition engine fed by different fuel types

机译:通过不同类型的燃料供油的火花点火发动机的性能增强

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摘要

A numerical model based on thermodynamic and kinetic analyses has been established in order to evaluate biogas, hydrogen, natural gas or liquid petroleum gas as fuels in a spark ignition engine. For each fuel type, consumption as well as efficiency have been compared to gasoline in order to generate the same engine work (in the range of 0.28-0.43 W h/cycle). It was found that the spark ignition engine can be fed by an equimolar mixture of biogas and hydrogen. Moreover, thermal efficiency has been enhanced with respect to fuel consumption and exhaust gas recirculation (EGR). It was shown that an equimolar mixture between biogas and hydrogen increases the ITE by around 2.2% and decreases the mass consumption by less than 0.01 g/cycle. In addition, the combustion reaction progresses as well as CO and CO2 emissions have been characterized in real time. (C) 2016 Elsevier Ltd. All rights reserved.
机译:为了评估作为火花点火发动机的燃料的沼气,氢气,天然气或液态石油气,已经建立了基于热力学和动力学分析的数值模型。对于每种燃料类型,已将消耗量和效率与汽油进行了比较,以产生相同的发动机功(在0.28-0.43 W h /循环的范围内)。已经发现火花点火发动机可以由沼气和氢气的等摩尔混合物供给。此外,相对于燃料消耗和废气再循环(EGR),热效率得到了提高。结果表明,沼气和氢气之间的等摩尔混合物使ITE降低了约2.2%,质量消耗降低了少于0.01 g /循环。此外,燃烧反应进程以及CO和CO2排放已得到实时表征。 (C)2016 Elsevier Ltd.保留所有权利。

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