| 低温等离子体分解N2/O2/NO气氛中NO试验研究 |
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| 引用本文： | 韩文赫,蔡忆昔,李小华,王军,李康华,韦星.低温等离子体分解N2/O2/NO气氛中NO试验研究[J].工程热物理学报,2012(5):895-898. |
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| 作者姓名： | 韩文赫 蔡忆昔 李小华 王军 李康华 韦星 |
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| 作者单位： | 江苏大学汽车与交通工程学院 |
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| 基金项目： | 国家自然科学基金(No.51176067);江苏省自然科学基金(No.BK2010330);教育部博士点基金(No.20113227120016) |
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| 摘 要： | 利用自行设计的介质阻挡放电型低温等离子体反应器,研究了NO初始浓度、O2初始浓度、放电功率、电源频率等因素对NTP转化N2/O2/NO气氛中NO的影响规律。研究发现,NO去除率随功率增大而升高,到达一最大值后随功率增大而降低;NO去除率随O2初始浓度增加而降低,随NO初始浓度增大而减小。相同放电功率下,同一组分中NO去除率随电源频率的增加而降低,因此相同放电功率下降低电源频率可提高NO去除率。O2初始浓度不高于5%时,NOx大部分为NO,NO2和O3浓度均随放电功率增大而降低,NO2、O3生成量随O2初始浓度升高而增多。
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| 关 键 词： | 低温等离子体 介质阻挡放电 一氧化氮分解 氮氧化物 |
Experimental Research on NO Decomposition in N2/O2/NO Mixture by Nonthermal Plasma |
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| HAN Wen-He CAI Yi-Xi LI Xiao-Hua WANG Jun,LI Kang-Hua WEI Xing.Experimental Research on NO Decomposition in N2/O2/NO Mixture by Nonthermal Plasma[J].Journal of Engineering Thermophysics,2012(5):895-898. |
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| Authors: | HAN Wen-He CAI Yi-Xi LI Xiao-Hua WANG Jun LI Kang-Hua WEI Xing |
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| Affiliation: | (School of Automotive and Traffic Engineering,Jiangsu University,Zhenjiang 212013,China) |
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| Abstract: | By using a self-designed dielectric barrier discharge nonthermal plasma reactor.the influences of NO initial concentration,O2 initial concentration,discharge power and power supply frequency on NO decomposition efficiency were investigated.The results showed that NO decomposition efficiency grew with the increasing of discharge power and then descended after reaching a peak value.Lowing initial concentration of NO or O2 would both help to enhance NO decomposition efficiency.With the same discharge power,NO decomposition efficiency grew with the decreasing power supply frequency.As O2 initial concentration is less than 5%,the vast majority of NOx are NO.The concentration of NO2 and O3 both grew with the increasing of O2 initial concentration and descended with the growing of discharge power. |
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| Keywords: | nonthermal plasma dielectric barrier discharge NO decomposition nitric oxide |
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