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浙江大学学报(工学版)
能源与机械工程     
多层介质阻挡放电处理柴油机尾气颗粒物
姚水良,赵一帆,张媛,倪洁操,吴祖良
浙江工商大学 环境科学与工程学院,浙江 杭州 310018
Treatment of particle material from diesel exhaust using multilayer dielectric barrier discharge
YAO Shui-liang, ZHAO Yi-fan, ZHANG Yuan, NI Jie-cao, WU Zu-liang
School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
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摘要:

研究柴油机尾气中颗粒物(PM)的排放特性,探讨多层介质阻挡放电(DBD)反应器中的反应单元及放电功率对PM的去除影响.研究发现,随着柴油机输出功率的增加,排气温度和尾气中PM粒子数密度都上升;随着反应单元的增加,柴油机尾气在DBD反应器中的停留时间增加,PM去除率呈增加趋势.当反应单元数为 40时,PM去除率为88%;随着放电功率的增加,PM去除率增加,最大可达93%;粒径200 nm以下的PM比粒径大于200 nm的PM更加容易去除.

Abstract:

Particle material (PM) emission from a diesel engine was characterized. Effects of dielectric barrier discharge (DBD) reaction channels in a multilayer DBD reactor and discharge power on PM removal were investigated. Results showed that the temperature of exhaust gases and PM total number density increased with the increase of engine output power. PM removal improved with the increasing reaction channels due to the increase in residence time of exhaust gases in the multilayer DBD reactor. When the number of reaction channel was 40, PM removal efficiency was as high as 88%. PM removal increased up to 93% as maximum with increasing discharge power. PM with particle sizes smaller than 200 nm was removed more easily than those bigger than 200 nm.

出版日期: 2018-06-06
:  X 511  
基金资助:

浙江省自然科学基金资助项目(LY13B070004);国家自然科学基金资助项目(51206146)

通讯作者: 吴祖良,男,副教授     E-mail: wuzuliang@zjgsu.edu.cn
作者简介: 姚水良(1963-),男,教授,从事大气污染物控制的研究. E-mail: yaosl@zjgsu.edu.cn
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引用本文:

姚水良,赵一帆,张媛,倪洁操,吴祖良. 多层介质阻挡放电处理柴油机尾气颗粒物[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2015.01.023.

YAO Shui-liang, ZHAO Yi-fan, ZHANG Yuan, NI Jie-cao, WU Zu-liang. Treatment of particle material from diesel exhaust using multilayer dielectric barrier discharge. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2015.01.023.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2015.01.023        http://www.zjujournals.com/eng/CN/Y2015/V49/I1/157

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