稀燃汽油机NOx净化技术——吸附还原催化法试验研究.pdf

维普资讯
拖拉机与农用运输车
8 Tractor&FarmTransporter 第 6期2005年12月
稀燃技术在车用内燃机上的应用研究
陈燕
(鲁东大学交通学院烟台 264o25)
摘要:介绍了汽油机稀薄燃烧的进气道喷射稀燃系统、直接喷射稀燃系统和均质混合气压燃系统,分析了各稀
燃系统的特点以度存在的问题,提出了在直接喷射稀燃系统的基础上实现均质混合气压燃燃烧是汽油机稀燃系统
技术发展的方向。
关键词:汽车工程汽油机稀薄燃烧
Research on Applicationsof bustion Technology
to toGasoline Engine
Chen Yah
(College of Tra~c and Tramportation,yantai Normal University,Yantai 264025,China) University,Yantai Normal Tramportation,yantai Tra~cand of (College
Abstract:This paper introduces the port fuel injection system,direct injecdon system and the homogeneous charge homogeneouscharge the and system injecdon system,direct injection fuel Abstract:Thisport the introduces paper
gasoline systemignition realizing used for anda1【urc8 problems systems. theseof thefe
As a result,it is pointed out that,the homogeneous pression ignition of bustion based on direct injecdon injecdon direct on bustion lean of pression charge homogeneous that,the out pointed is result,it aAs
system is the jUst direction of gasoline bustion technology development. bustion lean gasoline of direction jUst the is system
Keywords:Automobileen~ne,Lean engineering,bustion
随着能源供给的日盏紧张,人们对车用内燃机的燃油经证可靠点火,点燃式稀燃汽油机在点火瞬间火花塞周围必须
济性更加重视,采取了许多有效措施,其中汽油机稀薄燃烧形成易于点燃的空燃比为 :1—:1的混合气。这就
技术,就是改进汽油机燃油经济性的重要手段。稀薄燃烧指要求混合气在气缸内非均质分布。而要实现混合气的非均
的是空燃比为 17:1—20:1混合气的燃烧过程,它可以使燃质分布,必须使