张学文 ，申立中，杨永忠  

昆明理工大学内燃机省级重点实验室； 昆明云内动力股份有限公司；

【摘要】 为满足国家第三阶段排放标准,作者在一款1.8L高压共轨柴油机上进行了燃烧系统开发试验研究,对不同的压缩比、燃烧室形状、喷油器及喷嘴头部突出高度、增压器以及喷油控制进行了柴油机的外特性对比试验研究,根据试验结果进行了燃烧系统的优化匹配,使得柴油机的排放满足了国Ⅲ法规要求,其中CO、HC、烟度排放达到了国Ⅳ排放要求。

【关键词】 柴油机； 燃烧系统开发； 排放； 共轨； 性能； 

【Abstract】 To meet the requirements of China Stage Ⅲ exhaust emission standard,the author carried out development investigation on engine combustion based on a1.8Lhigh pressure common rail diesel engine.Those comparable test researches on engine performance were done including different compression ratio,combustion chamber geometry,nozzle and spray angle,nozzle tip protrusion variation,turbo-charger and pilot injection.According to test results,the combustion system is optimized,and is able to meet the r...  

【Key words】 Diesel Engine； Combustion System Development； Exhaust Emission； Common Rail； Performance； 

【基金】 云南省科技创新强省计划(2007AD005)