| 电荷沉积对大气压介质阻挡放电特性的影响 |
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| 引用本文： | 张芝涛,谷建龙,毛程奇,孙健,刘程.电荷沉积对大气压介质阻挡放电特性的影响[J].北京理工大学学报,2005,25(Z1):11-15. |
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| 作者姓名： | 张芝涛 谷建龙 毛程奇 孙健 刘程 |
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| 作者单位： | 大连海事大学,高气压强电场电离放电辽宁省重点实验室,辽宁,大连,116026 |
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| 基金项目： | 国家自然科学基金
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国家重点基础研究发展计划(973计划) |
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| 摘 要： | 采用CCD影像法对大气压介质阻挡放电电荷沉积效应进行了实验研究.结果表明,沉积电荷是由微流光放电产生的,由沉积电荷构成的界面域等离子体会受激励电压、激励频率、DBD结构等因素影响;沉积在电介质表面的电荷主要是能量较高的电子,它们显著地影响着等离子体化学过程;窄间隙、薄电介质层结构、高频激励以及优良的电介质材料可以有效地增强界面域效应,进而提高了DBD反应器的性能.
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| 关 键 词： | 介质阻挡放电 低温等离子体 电荷沉积 电荷沉积 大气压 介质阻挡 放电特性 影响 Atmospheric Pressure Accumulated 性能 反应器 效应 增强 电介质材料 激励频率 电介质层 窄间隙 化学过程 电子 能量 介质表面 因素 |
| 文章编号： | 1001-0645(2005)增刊-011-05 |
| 修稿时间： | 2005年5月20日 |
Effect of Accumulated Charges on DBD at Atmospheric Pressure |
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| ZHANG Zhi-tao,GU Jian-long,MAO Cheng-qi,SUN Jian,LIU Cheng.Effect of Accumulated Charges on DBD at Atmospheric Pressure[J].Journal of Beijing Institute of Technology(Natural Science Edition),2005,25(Z1):11-15. |
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| Authors: | ZHANG Zhi-tao GU Jian-long MAO Cheng-qi SUN Jian LIU Cheng |
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| Abstract: | The evolution has been studied at atmospheric pressure by using CCD means. The result shows that accumulated charges are caused in micro-streamer discharges. Some factors such as the applied voltage, the applied frequency and the configuration of dielectric barrier discharge (DBD) can affect the interface area plasma that is formed by these accumulated particles; These charges on dielectric surface are mostly high energy electrons, which affect plasma chemical reaction observably; Some methods, including the micro-gap and thinner dielectric layer, high-frequency high-voltage power supply, are very effective in enhancing the interface area plasma function, and thereby improving the capability of DBD reactor. |
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| Keywords: | dielectric barrier discharge nonthermal plasma accumulated charges |
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