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[1]张翔宇,等.汽油低温压燃小负荷控制策略[J].燃烧科学与技术,2018,(02):170-176.[doi:10.11715/rskxjs.R201701007]
 Zhang Xiangyu,Zheng Zunqing,et al.Low Temperature Compression Ignition Combustion Control Strategy with Gasoline at Low Loads[J].Journal of Combustion Science and Technology,2018,(02):170-176.[doi:10.11715/rskxjs.R201701007]
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汽油低温压燃小负荷控制策略()
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《燃烧科学与技术》[ISSN:1006-8740/CN:12-1240/TK]

卷:
期数:
2018年02
页码:
170-176
栏目:
出版日期:
2018-04-15

文章信息/Info

Title:
Low Temperature Compression Ignition Combustion Control Strategy with Gasoline at Low Loads
文章编号:
1006-8740(2018)02-0170-07
作者:
张翔宇1 2郑尊清2王 健2钟小凡2李研芳1尧命发2
1. 中国北方发动机研究所,天津 300405;2. 天津大学内燃机燃烧学国家重点实验室,天津 300072
Author(s):
Zhang Xiangyu1 2Zheng Zunqing2Wang Jian2Zhong Xiaofan2Li Yanfang1Yao Mingfa2
1.China North Engine Research Institute,Tianjin 300405,China;2.State Key Laboratory of Engines,Tianjin University,Tianjin 300072,China
关键词:
汽油燃料低温燃烧内部EGR可变气门小负荷
Keywords:
gasoline fuelslow temperature combustioninternal exhaust gas recirculationvariable valvelow load
分类号:
TK427
DOI:
10.11715/rskxjs.R201701007
文献标志码:
A
摘要:
在一台装有电液可变气门的单缸柴油机上,基于喷油正时、内部废气再循环(EGR)和喷油压力的协同控制,对小负荷工况下汽油燃料直喷压燃模式的燃烧特性和排放特性进行了试验研究,并对实现汽油燃料高效清洁稳定低温压燃的控制区间进行了探索研究.内部EGR 通过排气门两次开启实现,发动机转速和循环喷油量分别固定为1,500,r/min 和28,mg.研究结果表明,基于燃油早喷、较低内部EGR 率和较高喷油压力的协同控制可以使汽油在平均指示压力约为0.46,MPa 工况下实现高效清洁燃烧.
Abstract:
The effects of injection timing,internal exhaust gas recirculation(EGR)and injection pressure on gasoline direct-injection compression ignition combustion and emissions characteristics were studied on a singlecylinder diesel engine equipped with an electrohydraulic variable valve actuato (VVA)system.The operating region for high-efficient,clean and stable gasoline compression ignition combustion was explored and discussed. The internal EGR was achieved by an extra opening of the exhaust valve in the intake process.The study was conducted at an engine speed of 1,500,r/min with the cyclic fuel mass of 28,mg.The results illustrate that the high-efficient and clean gasoline compression ignition combustion can be achieved with the coupling control strategies of early fuel injection timing,low internal EGR rate and high injection pressure at about 0.46,MPa gross indicated mean effective pressure

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备注/Memo

备注/Memo:
收稿日期:2017-03-07. 基金项目:国家自然科学基金资助项目(51576138). 作者简介:张翔宇(1984— ),男,博士,助理研究员,fdj@qq.com. 通讯作者:尧命发,男,博士,研究员,y_mingfa@tju.edu.cn.
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