等离子体助燃对燃烧产物影响的实验

赵兵兵; 张鹏; 何立明; 杜宏亮

等离子体助燃对燃烧产物影响的实验

1.
空军工程大学航空航天工程学院, 西安 710038
2.
空军工程大学理学院, 西安 710051

基金项目: 国家自然科学基金(51106179)

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- 文章访问数: 1870
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- 被引次数: 0
出版历程
- 收稿日期: 2011-11-11
- 刊出日期: 2012-09-28

Experiments of plasma assisted combustion's effect on combustion products

1.
Engineering Institute of Aeronautics and Astronautics, Air Force Engineering University, Xi'an 710038, China
2.
Science Institute, Air Force Engineering University, Xi'an 710051, China

摘要

摘要: 采用介质阻挡放电在燃烧实验段中产生等离子体,进行了等离子体助燃条件下丙烷/空气混合气燃烧过程影响因素及其规律的实验研究.测量了空气、丙烷/空气混合气介质阻挡放电的光谱特性,通过烟气分析仪测量燃烧产物成份,得到了燃烧产物中O₂,CO体积分数随时间的变化,研究了激励器放电电压、空气流量、丙烷流量对燃烧产物的影响.实验结果表明:等离子体助燃时,O₂和CO体积分数变化速率增大;稳定燃烧后O₂和CO体积分数小于常规燃烧的,燃烧效率提高;减小放电电压,增大空气、丙烷流量,等离子体助燃的效果减弱.
- 等离子体 /
- 助燃 /
- 介质阻挡放电 /
- 燃烧产物 /
- 发射光谱
Abstract: Experiments of plasma assisted combustion (PAC) in propane-air mixtures were conducted.The plasma was produced by dielectric barrier discharges (DBD), and the emission spectrums of air and propane-air mixture were tested respectively.The variation of O₂ and CO volume fractions with time was measured using the gas analyzer.The effect of discharge voltage,air flow and propane flow on combustion products were analyzed and discussed.The results show that in PAC,the variation rates of O₂ and CO volume fractions increase compared to that in normal combustion,and the combustion efficiency enhances in stable combustion due to the decrease of O₂ and CO volume fractions;increasing air flow and propane flowand decreasing discharge voltage can weaken the effects of PAC.
- plasma /
- assisted combustion /
- dielectric barrier discharges /
- combustion product /
- emission spectrum

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参考文献(15)

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