文档介绍：维普资讯
第 9卷第 3期燃烧科学与技术
2003年 6月 bustion Science and Technology
稀薄燃烧在 TJ376QE二气门汽油机上的实现
刘德新,刘书亮,王莉,肖浩栋,曹诚
(,天津 300072;,天津 300072)
摘要:对二气门结构的 TJ376QE汽油机进气系统进行了改造,
组织燃料在缸内的浓度分布,从而为在二气门汽油机上实现稀薄燃烧打下基础;在原发动机的气道内电控燃油喷
射系统的基础上,,在缸内形成精细分层的混
合气即所谓准均质混合气,从而优化了油耗和排放指标,成功地在二气门汽油机上实现了稀薄燃烧.
关键词:稀薄燃烧;滚流和涡流;二次喷油;准均质混合气;二气门汽油机
中图分类号: 文献标识码:A 文章编号:1006-8740(2003)03-0267-07
bustion the TJ376QEin 2-Valve SI Engine
LIU ,LIU ,W ANG Li ,XIAO ,CAO Cheng
( aboratory,bustion l University,Ti 300072,China; in
AutomationEngineering,Tianjin Electrical University,Tianjin of 300072,China)
,:Theswid 2-ValveandTJ376QE tumbleintake a motionsofsystem Wasandenginemodified its intake gasoline
were intensifm~ The results of stronger airmotions are helpful anize airand fuel mixture strength distribution and
consequently to realize lean bustion in the 2-valve gasoline previous port electronic fuel injection injection gasoline 2-valve bustionthemixture inlean electronic port realize previous consequently to
system Was modified and the techniqae of twice electronic fuel injection(TEFI)Was fuel electronic twice systemWas of andtechniqae the the of regula