国道和乡村道路条件下三轮汽车的排放特性

来源 :农业工程学报 | 被引量 : 0次 | 上传用户:jy02553920
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为了分析实际道路行驶时三轮汽车的排放特征,该研究利用车载排放测试系统(portableemissionmeasurementsystem,PEMS)对国道和乡村道2种道路条件下的10辆三轮汽车的常规气态污染物和颗粒物进行了排放测试。结果发现:在2种道路条件下的3种行驶工况(加速工况、匀速工况和减速工况)中,三轮汽车在加速工况下的各项排放因子均高于其他工况;加速工况下,CO的平均排放因子高出匀速工况和减速工况的0.7倍和1.7倍;3种工况条件下,三轮汽车在乡村道上行驶产生的排放均高于国道;对比速度、加速度和
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