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| 改善热面点火天然气发动机起动和运转性能的研究 | |
| 引用本文： | 张德福,张惠明,张金良,张晓川,朱志强.改善热面点火天然气发动机起动和运转性能的研究[J].燃烧科学与技术,2009,15(1). |
| 作者姓名： | 张德福 张惠明 张金良 张晓川 朱志强 |
| 作者单位： | 1. 天津大学内燃机燃烧学国家重点实验室,天津,300072;天津理工大学海运学院,天津,300191 2. 天津大学内燃机燃烧学国家重点实验室,天津,300072 3. 天津理工大学海运学院,天津,300191 |
| 基金项目： | 国家自然科学基金，国家高技术研究发展计划(863计划) |
| 摘 要： | 针对热面点火天然气机起动困难以及低负荷循环波动大、高负荷燃烧敲缸、Nox排放数值较高的问题,通过台架试验,分别研究了3种燃料添加剂、进气加热温度、隔热措施及热EGR对发动机起动和运转性能的影响.结果表明,采用3种添加剂、提高进气温度和燃烧室隔热,有利于天然气着火起动和稳定燃烧.采用热EGR有助于天然气发动机扩展功率范围并有利于降低Nox排放. |
| 关 键 词： | 天然气发动机 热面点火 添加剂 废气再循环 |
Investigation on Improving Starting up and Operating Characteristics of Glow Plug Natural Gas Engine |
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| ZHANG De-fu,ZHANG Hui-ming,ZHANG Jin-liang,ZHANG Xiao-chuan,ZHU Zhi-qiang.Investigation on Improving Starting up and Operating Characteristics of Glow Plug Natural Gas Engine[J].Journal of Combustion Science and Technology,2009,15(1). | |
| Authors: | ZHANG De-fu ZHANG Hui-ming ZHANG Jin-liang ZHANG Xiao-chuan ZHU Zhi-qiang |
| Affiliation: | 1.State Key Laboratory of Engines;Tianjin University;Tianjin 300072;China;2.School of Maritime;Tianjin University of Technology;Tianjin 300191;China |
| Abstract: | To solve the difficulty in starting up,unstable combustion in low load condition,and knocking phenomenon and high level NOx emission in high load condition,which exist in the compression natural gas(CNG) engine with glow plug ignition,the effect of three kinds of fuel additives,inlet air heating temperature and heat exhaust gas recycle(EGR) on the starting up and operating characteristics of the engine are investigated through bench test.The experimental results show that adding additives,increasing charge-... |
| Keywords: | compression natural gas engine glow plug ignition additive exhaust gas recycle |
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