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摻混重整氣對汽油機(jī)燃燒及排放特性的影響
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高等學(xué)校博士學(xué)科點(diǎn)專項基金資助項目(20111103110010;北京市教委科技計劃重點(diǎn)項目(KZ201210005002);北京市自然科學(xué)基金資助項目(3122006)


Effect of Syngas on Combustion and Emission Characteristic of Gasoline Engine
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    摘要:

    車載燃料重整制氫技術(shù)可以回收發(fā)動機(jī)尾氣余熱,，在線制取重整氣與汽油混合燃燒。基于一臺1.6L四缸汽油機(jī),，在轉(zhuǎn)速1800r/min,，進(jìn)氣道絕對壓力61.5kPa,，理論當(dāng)量比條件以及最大制動扭矩點(diǎn)火角條件下,，考察混重整氣對汽油機(jī)燃燒和排放性能的影響,。試驗結(jié)果表明：隨著進(jìn)氣中重整氣混合分?jǐn)?shù)的逐漸增加,，重整氣中氫氣的體積分?jǐn)?shù)逐漸升高,，燃油油耗率降低，指示熱效率升高,。尾氣中HC,、NOx和CO2的排放量降低，而CO的排放量則有所升高,。

    Abstract:

    The onboard fuel reforming could not only recovery the exhaust heat but also produce syngas for the mixed combustion in cylinders. An experimental study was carried out on a four-cylinder 1.6L gasoline engine at a speed of 1800r/min, a manifolds absolute pressure of 61.5kPa and the maximum brake torque for the spark timing to explore the effect of syngas addition on the engine combustion and emission performances at the stoichiometric condition. The experimental results demonstrated that the hydrogen volume faction in syngas increased with the increase of syngas addition faction. The fuel consumption rate was decreased and the indicated thermal efficiency was improved. HC, NOx and CO2 emissions were reduced whereas CO emission was increased after the syngas enrichment at the stoichiometric condition.

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戴曉旭,紀(jì)常偉,汪碩峰,梁晨,句丙杰.摻混重整氣對汽油機(jī)燃燒及排放特性的影響[J].農(nóng)業(yè)機(jī)械學(xué)報,2013,44(9):7-11. Dai Xiaoxu, Ji Changwei, Wang Shuofeng, Liang Chen, Ju Bingjie. Effect of Syngas on Combustion and Emission Characteristic of Gasoline Engine[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(9):7-11.

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  • 在線發(fā)布日期: 2013-09-11
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