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浙江大学学报(工学版)
浙江大学学报(工学版)
动力与能源工程     
排除法确定离子电流成因的试验
李春艳,张功,刘杰,高忠权
1.西安交通大学 能源与动力工程学院,陕西 西安710049；2.中国人民解放军 65066部队,辽宁 沈阳110101；
3.中国人民解放军 63933部队,北京100091
Experiments on causes of characteristic peaks of ion current using exclusive method
LI Chun yan, ZHANG Gong,LIU Jie, GAO Zhong quan
1.School of Energy and Power Engineering,Xi’an Jiaotong University,Xi‘an 710049, China；2. Troop 65066, People’s
Liberation Army, Shenyang 110101, China；3. Troop 63933, People‘s Liberation Army, Beijing 100091, China
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摘要：

为了研究N/H/C元素与离子电流特征峰的关系及离子电流第3峰的成因,提出排除法.在不同点火方式和空燃比下,分别测量了碳氢燃料在合成空气（氧/氮）和氧/氩混合气中燃烧产生的离子电流,并以离子电流信号、燃烧压力信号和火焰纹影照片为基础数据分析试验.结果表明：测量电极与点火电极分开,可以避免点火信号的干扰,测量系统检测不到离子电流第1峰；C元素主要影响离子电流第2峰,H和N元素主要影响第3峰；离子电流第3峰由火焰前锋面带电粒子被燃烧室壁面吸收与NO组分热离子化共同作用产生.
Abstract:

The effects of N/H/C chemical elements on ion current characteristic peaks and the cause of the third peak of ion current were investigated using exclusive method. Ion current generated during combustion of hydrocarbon fuel/air or hydrocarbon fuel/oxygen/argon in a constant combustion bomb was measured under different ignition styles and airfuel ratio. Experimental results were analyzed based on ion current curves and pressure curves and flame schlieren pictures. Results show that when measuring electrode is separated from ignition electrode, the first peak of ion current can’t be measured. Carbon element obviously affects the second peak of ion current and hydrogen and nitrogen element mainly act the third peak. The third peak of ion current is caused by charged particles of front flame absorbed by the chamber wall and thermal ionization of NO.
出版日期: 2017-01-14
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基金资助:

国家自然科学基金资助项目(51306143)；中央高校基本科研业务费(xjj2013001).
通讯作者: 高忠权，男，讲师. 0000000252794952.     E-mail: gaozq@mail.xjtu.edu.cn
作者简介: 李春艳（1990-），女，硕士生, 从事发动机测量等研究. 0000000298067371. E-mail：aimili1314@stu.xjtu.edu.cn
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李春艳,张功,刘杰,高忠权. 排除法确定离子电流成因的试验[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008973X.2016.05.023.

LI Chun yan, ZHANG Gong,LIU Jie, GAO Zhong quan. Experiments on causes of characteristic peaks of ion current using exclusive method. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008973X.2016.05.023.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008973X.2016.05.023    或    http://www.zjujournals.com/eng/CN/Y2016/V50/I5/978

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