火花放电等离子体射流实验研究

推进技术 ›› 2015, Vol. 36 ›› Issue (3): 372-377.

火花放电等离子体射流实验研究

刘汝兵^1,2,孙伟^1,2,3,牛中国⁴,王萌萌^1,2,杨欢^1,2,林麒^1,2

厦门大学物理与机电工程学院，福建厦门 361005; 福建省等离子体与磁共振重点实验室，福建厦门 361005,厦门大学物理与机电工程学院，福建厦门 361005; 福建省等离子体与磁共振重点实验室，福建厦门 361005; 厦门航空有限公司，福建厦门 361006,中航工业空气动力研究院，黑龙江哈尔滨 150001,厦门大学物理与机电工程学院，福建厦门 361005; 福建省等离子体与磁共振重点实验室，福建厦门 361005,厦门大学物理与机电工程学院，福建厦门 361005; 福建省等离子体与磁共振重点实验室，福建厦门 361005,厦门大学物理与机电工程学院，福建厦门 361005; 福建省等离子体与磁共振重点实验室，福建厦门 361005

发布日期:2021-08-15
作者简介:刘汝兵(1984—)，男，博士生，研究领域为等离子体特性及其应用。E-mail: lrb@sa.buaa.edu.cn 通讯作者:林麒(1954—)，女，博士，教授，研究领域为航空工程。
基金资助:
福建省自然科学基金(2010J01014)。

Experimental Investigation on Spark Discharge Plasma Jet

School of Physics and Mechanical & Electrical Engineering，Xiamen University，Xiamen 361005，China; Fujian Key Laboratory of Plasma and Magnetic Resonance，Xiamen 361005，China,School of Physics and Mechanical & Electrical Engineering，Xiamen University，Xiamen 361005，China; Fujian Key Laboratory of Plasma and Magnetic Resonance，Xiamen 361005，China; Xiamen Airlines，Xiamen 361006，China,Aerodynamics Research Institute，AVIC，Harbin 150001，China,School of Physics and Mechanical & Electrical Engineering，Xiamen University，Xiamen 361005，China; Fujian Key Laboratory of Plasma and Magnetic Resonance，Xiamen 361005，China,School of Physics and Mechanical & Electrical Engineering，Xiamen University，Xiamen 361005，China; Fujian Key Laboratory of Plasma and Magnetic Resonance，Xiamen 361005，China and School of Physics and Mechanical & Electrical Engineering，Xiamen University，Xiamen 361005，China; Fujian Key Laboratory of Plasma and Magnetic Resonance，Xiamen 361005，China

Published:2021-08-15

摘要/Abstract

摘要： 提出一种火花放电等离子体射流发生器，可获得能量较高的零质量射流。其工作频率可达9kHz，可在大气压下产生持续的平均速度较高的射流。详细阐述了该射流发生器结构；通过对其放电形态的研究，探讨了产生射流的机理；利用皮托管测量了射流平均速度，研究了发生器电极间距及外加电参数对射流平均速度的影响，测量了射流平均速度轴向分布；得到了该等离子体射流发生器的射流特性曲线。实验结果表明，该发生器产生的持续射流平均速度可达40m/s以上；增大加载电压还可提高射流速度；对给定的射流发生器，存在最佳电极间距和电压频率。

关键词: 火花放电；等离子体；射流特性

Abstract: A spark discharge plasma jet generator has been designed to obtain higher energy zero net mass flux jet，which can generate continuous jet flow at higher average speed and operate at normal atmospheric pressure with frequency up to 9kHz. The structure of the generator was described and the discharge phenomenon of the plamsa jet was researched to find the mechanism in which how the plamsa jet generates the continuous jet flow at higher average speed. The average speed of the plamsa jet flow was measured by a pitot tube，to investigate how the electrical parameters and the gap between the two electrodes affect the average speed of the jet flow from the generator. The axial jet velocity distribution and the jet flow characteristics charts of the spark discharge plasma jet have been obtained as well. The experimental results show that the jet flow speed of the spark discharge plasma jet generator may reach more than 40m/s continuously，which raises with the increasing of the loading voltage，and there exists the best gap between the two electrodes as well as the loading voltage frequency for a given jet generator.

Key words: Spark discharge；Plasma；Jet flow characteristics

刘汝兵,孙伟,牛中国,王萌萌,杨欢,林麒. 火花放电等离子体射流实验研究[J]. 推进技术, 2015, 36(3): 372-377.

LIU Ru-bing^1,2,SUN Wei^1,2,3,NIU Zhong-guo⁴,WANG Meng-meng^1,2,YANG Huan^1,2,LIN Qi^1,2. Experimental Investigation on Spark Discharge Plasma Jet[J]. Journal of Propulsion Technology, 2015, 36(3): 372-377.

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