毕业论文课题名称跃进客车底盘污染物排放控制案例分析系/专业机械工程学院/汽车检测与维修技术班级汽维0911学号0901083109学生姓名指导教师:2012年6月1日摘要本文从讲述汽车污染现状入手,逐步深入地介绍柴油发动机在排放控制运用了哪些技术,并对跃进客车底盘在污染物排放控制上进行案例分析。主要内容有:我国城市汽车尾气污染现状及趋势、汽车尾气排放对人体健康造成的影响、汽车污染物及来源、柴油机排放介绍、废气再循环(EGR)系统、NOX的机外净化技术、微粒机外净化技术。然后通过几个跃进客车底盘实际案例来分析阐述现如今客车在降低排放污染物上已取得的进步。最后提出了努力发展研制柴油机欧Ⅳ排放技术路线,为未来汽车污染的有效控制指明了有效的途径。关键词:污染物,排放,控制,案例分析AbstractThisarticlefromthecarpollutionstatusquo,graduallyin-depthintroductiondieselengineemissioncontrolapplicationinwhichtechnologies,andtoleapforwardbuschassisinthecontrolofpollutantdischargetocarryoncaseanalysis.Themaincontentsare:thecityofourcountryautomobileexhaustpollutionandtrend,vehicleexhaustonhumanhealthimpacts,vehiclepollutantsandsources,dieselengineemissions,exhaustgasrecirculation(EGR)system,NOXoutenginepurificationtechnology,particleexternalpurificationtechnology.ThenthroughseveralYuejinchassisactualcaseanalysisonnowcoachinreducingemissionspollutantshasmadeprogress.Finally,putforwardtodevelopthedevelopmentofDieselElectronicEuroIVemissionandtechnicalroute,forthefutureofautomobilepollutioncontrolpointsouttheeffectiveway.Keywords:Thepollutant,emissions,control,caseanalysis目录第1章绪论..............................................................................................................................................11.1本课题研究现状..........................................................................................................................11.2本课题现有技术及我国尾气污染现状......................................................................................11.3跃进客车底盘现有技术介绍......................................................................................................2第2章汽车污染物及来源......................................................................................................................42.1汽车排放污染介绍......................................................................................................................42.2汽车排放主要污染物及危害......................................................................................................42.2.1一氧化碳(CO).............................................................................................................42.2.2碳氢化合物(HC).........................................................................................................52.2.3氮氧化物(NOX)...........................................................................................................62.2.4颗粒(PM).....................................................................................................................6第3章跃进柴油机排放控制技术..........................................................................................................73.1柴油机排放介绍..........................................................................................................................73.1.1柴油机排放特点...............................................................................................................73.1.2...