| DOC对柴油机排放特性影响的研究 |
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| 引用本文： | 葛蕴珊,赵伟,王军方,赵红,韩秀坤,谭建伟,王小臣,余林啸.DOC对柴油机排放特性影响的研究[J].北京理工大学学报,2012,32(5):460-464. |
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| 作者姓名： | 葛蕴珊 赵伟 王军方 赵红 韩秀坤 谭建伟 王小臣 余林啸 |
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| 作者单位： | 北京理工大学汽车动力性与排放测试国家专业实验室,北京,100081;中国环境科学研究院,北京,100012;青岛大学机电工程学院,山东,青岛266071;中国汽车技术研究中心,北京,100076 |
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| 基金项目： | 国家自然科学基金项目资助(50876013) |
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| 摘 要： | 在柴油发动机台架上,通过HT350动态测功机、AM4000等仪器测量了柴油机氧化催化转换器(DOC)前后2个固定转速5个工况点的排放特性,分析了DOC对HC,CO,NOx,PM等影响,并用DRI碳分析仪分析了PM的碳质组分.结果表明,DOC能大幅降低HC,CO的排放,DOC前后NOx总量变化不大;DOC对颗粒物数量浓度降幅为25%～40%,其中核膜态降幅为16%～36%;随负荷增加DOC对颗粒物总数量浓度、核模态数量浓度降幅逐渐减小,积聚模态降幅逐渐增加;DOC通过降低HC促进SOF氧化从而达到催化氧化有机碳OC,OC对占PM总降幅贡献率在67%以上,EC最高仅为9%.
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| 关 键 词： | 颗粒物 氧化催化转化器 元素碳 有机碳 |
| 收稿时间： | 2010/12/22 0:00:00 |
Effects of Diesel Oxidation Catalyst on Emission from Diesel |
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| GE Yun-shan,ZHAO Wei,WANG Jun-fang,ZHAO Hong,HAN Xiu-kun,TAN Jian-wei,WANG Xiao-chen and YU Lin-xiao.Effects of Diesel Oxidation Catalyst on Emission from Diesel[J].Journal of Beijing Institute of Technology(Natural Science Edition),2012,32(5):460-464. |
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| Authors: | GE Yun-shan ZHAO Wei WANG Jun-fang ZHAO Hong HAN Xiu-kun TAN Jian-wei WANG Xiao-chen and YU Lin-xiao |
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| Institution: | National Laboratory of Auto Performance and Emission Test, Beijing Institute of Technology, Beijing 100081, China;National Laboratory of Auto Performance and Emission Test, Beijing Institute of Technology, Beijing 100081, China;Chinese Research Academy of Environmental Sciences, Beijing 100012, China;College of Mechanical and Electronic Engineering, Qingdao, Shandong 266071, China;National Laboratory of Auto Performance and Emission Test, Beijing Institute of Technology, Beijing 100081, China;National Laboratory of Auto Performance and Emission Test, Beijing Institute of Technology, Beijing 100081, China;China Automotive Technology and Research Center, Beijing 100076, China;National Laboratory of Auto Performance and Emission Test, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | |
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| Keywords: | particulate matter diesel oxidation catalyst organic carbon elemental carbon |
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