国六轻型柴油机裸机排放分析及试验研究  

Experimental Study on Bare-metal Emission Characteristics on a National six Light Diesel Engine

作　　者：蔡卓洁 叶林保 CAI Zhuojie;YE Lingbao(Beiqi Futian Motor Company Limited,Beijing 102206,China)

机构地区：[1]北汽福田汽车股份有限公司,北京102206

出　　处：《现代车用动力》2018年第4期43-51,共9页Modern Vehicle Power

摘　　要：为了给国六轻型柴油机裸机排放制定出一套系统的优化方案,本文以搭载在某乘用车SUV上的2. 0 L柴油机为研究对象,分别从喷油器优化选型、与缸内燃烧有关的燃烧室、活塞等发动机关键零部件的优化选型、电控方法的优化标定等,确定最佳综合优化方案,在发动机及整车试验台架上进行了试验验证,结果表明达到国六a裸机排放工程目标要求。In order to develop an optimization system meeting for the CN6 emission regulation,injector parameters,combustion chamber geometries,piston,electric control methods and other related key componenets were optimized on a 2.0L engine of SUV vehicle in this paper.Engine-out emissions were measured on a test bench to verify the above-mentioned optimization approach.The results showned that the bare-metal emission can meet for the CN6a engineering emission regulation requirement.

关 键 词：轻型柴油机 喷油器垫片 油嘴伸出高度 稳态排放标定 瞬态排放标定 涡流比 裸机排放 

分 类 号：TK421.5[动力工程及工程热物理—动力机械及工程]