车用发动机
車用髮動機
차용발동궤
Vehicle Engine
2015年
5期
1-7,19
,共8页
杜爱民%朱沛沛%朱忠攀%初川川
杜愛民%硃沛沛%硃忠攀%初川川
두애민%주패패%주충반%초천천
多元燃料发动机%甲醇%燃料切换
多元燃料髮動機%甲醇%燃料切換
다원연료발동궤%갑순%연료절환
multifuel engine%methanol%fuel switch
以一台1.5L、直列、四缸、四冲程发动机为基础开发了甲醇-汽油两用燃料发动机 ,对原发动机的硬件和软件进行了局部修改 ,选择了比较容易实现的双油箱双油轨结构 ,设计了甲醇-汽油两用的燃油供给系统、点火系统以及控制软件 ,实现了发动机汽油起动、暖机 ,甲醇、汽油之间的自由切换以及甲醇、汽油单独燃烧等功能.对甲醇-汽油两用燃料发动机进行了试验研究 ,试验表明 ,在转速变化较大而负荷相对变化较小的工况下适合燃用甲醇.虽然甲醇的消耗量大约是汽油的2倍 ,但其燃烧热效率比汽油高.
以一檯1.5L、直列、四缸、四遲程髮動機為基礎開髮瞭甲醇-汽油兩用燃料髮動機 ,對原髮動機的硬件和軟件進行瞭跼部脩改 ,選擇瞭比較容易實現的雙油箱雙油軌結構 ,設計瞭甲醇-汽油兩用的燃油供給繫統、點火繫統以及控製軟件 ,實現瞭髮動機汽油起動、暖機 ,甲醇、汽油之間的自由切換以及甲醇、汽油單獨燃燒等功能.對甲醇-汽油兩用燃料髮動機進行瞭試驗研究 ,試驗錶明 ,在轉速變化較大而負荷相對變化較小的工況下適閤燃用甲醇.雖然甲醇的消耗量大約是汽油的2倍 ,但其燃燒熱效率比汽油高.
이일태1.5L、직렬、사항、사충정발동궤위기출개발료갑순-기유량용연료발동궤 ,대원발동궤적경건화연건진행료국부수개 ,선택료비교용역실현적쌍유상쌍유궤결구 ,설계료갑순-기유량용적연유공급계통、점화계통이급공제연건 ,실현료발동궤기유기동、난궤 ,갑순、기유지간적자유절환이급갑순、기유단독연소등공능.대갑순-기유량용연료발동궤진행료시험연구 ,시험표명 ,재전속변화교대이부하상대변화교소적공황하괄합연용갑순.수연갑순적소모량대약시기유적2배 ,단기연소열효솔비기유고.
A petrol-methanol dual-fuel engine was developed by locally modifying the hardware and software of a 1 .5 L inline 4-cylinder and 4-stroke engine .The dual fuel tank and rail which could be realized easily were chosen ,the fuel supply system , ignition system and control software for petrol-methanol dual-fuel were designed ,and the starting and warming up functions of petrol and the free switch and respective combustion for methanol and petrol were realized .The experiments of the dual-fuel engine show that methanol is more appropriate for transient conditions with large speed and load variance .Although the con-sumption of methanol is twice of the petrol ,the thermal efficiency of methanol is higher than that of petrol .
