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乙醇汽油车行驶中的尾气遥感监测与排放因子分析

, PP. 122-126

Keywords: 汽车工程,乙醇汽油机,试验研究,遥感测量,排放因子

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Abstract:

?为研究哈尔滨市乙醇汽油车行驶中的尾气排放情况,采用遥感监测技术对该市市区内机动车实际行驶工况下的污染物排放进行了长期监测和分析;重点研究了行驶车速、负载和使用频率对排放因子的影响。研究结果表明:在哈尔滨市区主要的机动车排放污染来源于乙醇燃料车辆的排放,总数约占10%的高排污车辆的CO和HC排放量对总污染的贡献率分别达到37%和53%,对NOx的贡献近45%;较低的行驶车速、较大的负载和使用频率是导致车辆产生较高排放因子的主要因素。

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