氢氧发动机喷管内表面带电研究
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- 英文论文题名：The analysis of internal surface charging of H_2/O_2 engine nozzles
- 论文作者：曹鹤飞 ; 孙永卫 ; 原青云
- 英文论文作者：CAO HeFei ; SUN YongWei ; YUAN QingYun ; School of Electrical and Electronics Engineering ; Shijiazhuang Tiedao University ; Electrostatic & Electromagnetic Protection Institute ; Ordnance Engineering College
- 年：2015
- 作者机构：石家庄铁道大学电气与电子工程学院;军械工程学院静电与电磁防护研究所;
- 论文关键词：氢氧发动机 ; 内表面充电 ; 二次电子 ; 气体动理论 ; 等离子体 ; 电压 ; 麦克斯韦分布
- 英文论文关键词：H_2/O_2 rocket engine ; internal surface charging ; secondary electron ; kinetic theory of gases ; plasma ; voltage ; Maxwell velocity distribution function
- 会议召开时间：2015-08-12
- 会议录名称：静电放电：从地面新技术应用到空间卫星安全防护—中国物理学会第二十届全国静电学术会议论文集
- 语种：中文
- 分类号：V434
- 学会代码：WLJD
- 会议名称：静电放电 ; 从地面新技术应用到空间卫星安全防护—中国物理学会第二十届全国静电学术会议
- 会议地点：中国河北石家庄
- 主办单位：中国物理学会静电专业委员会
- 学会名称：中国物理学会静电专业委员会
- 页数：4
- 文件大小：779k
- 原文格式：D
- 会议级别：全国
摘要
氢氧发动机在运行过程中喷管内由带电粒子产生的静电对飞行器带来不利影响。本文综合考虑氢氧发动机喷管火焰中带电粒子质量、温度、密度以及发动机喷管内表面材料二次电子效应等因素,基于气体动理论,利用粒子的麦克斯韦速度分布函数,推导得出氢氧发动机喷管内表面充电电位一般表达式。研究发现氢氧发动机喷管受到电子和离子的作用,表面形成大量电子聚集,产生负一定负电位。当喷管内部电子的温度保持不变时,表面电位随着H~+浓度与电子浓度之比的增大而降低。当H~+浓度与电子浓度之比保持不变时,表面电位随着电子温度的增加而升高,发动机喷管内部负电位大小一般在几伏范围内。
The electrostatic charging caused by charged particles in the nozzle can degrade the aircraft performance while the H2/O2 rocket engine is in operation.Based on the kinetic theory of gases,this paper applies the Maxwell velocity distribution function of the particles to formulate a general equation of the internal surface at the H_2/O_2 rocket engine nozzle.Factors such as the mass,temperature and density of the charged particles and the secondary electronic emission by the internal surface materials of the nozzle are considered hypothetically.The surface charging electric potential of varied cases is analysed and the charging properties are summarized.The effect of electrons and ions on the H_2/O_2 rocket engine nozzle is evident,mass electrons assembling on the surface and negative electrical potential comings into being.The highest temperature in the engine nozzle is approximately several thousand K,so the surface negative electrical potential is also approximately several V.
The electrostatic charging caused by charged particles in the nozzle can degrade the aircraft performance while the H2/O2 rocket engine is in operation.Based on the kinetic theory of gases,this paper applies the Maxwell velocity distribution function of the particles to formulate a general equation of the internal surface at the H_2/O_2 rocket engine nozzle.Factors such as the mass,temperature and density of the charged particles and the secondary electronic emission by the internal surface materials of the nozzle are considered hypothetically.The surface charging electric potential of varied cases is analysed and the charging properties are summarized.The effect of electrons and ions on the H_2/O_2 rocket engine nozzle is evident,mass electrons assembling on the surface and negative electrical potential comings into being.The highest temperature in the engine nozzle is approximately several thousand K,so the surface negative electrical potential is also approximately several V.
引文
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[15]曹鹤飞,刘尚合,孙永卫,原青云.等离子体环境非偏置固体表面带电研究[J].物理学报,2013,62(11):119401.H F Cao,S H Liu,Y W Sun,et al.Unbiased solid surface charging research in plasma environment[J].Acta Phys Sin,2013,62(11):119401.
[16]曹鹤飞,刘尚合,孙永卫,原青云.等离子体环境下孤立导体表面充电时域特性研究[J].物理学报,2013,62(14):149401.H F Cao,S H Liu,Y W Sun,et al.Unbiased solid surface charging research in plasma environment[J].Acta Phys Sin,2013,62(11):119401.
[2]H Immich,J Alting,J Kretschmer,et al.Technology developments for thrust chambers of future launch vehicle liquid rocket engines[J].Acta Astronautica,2003,53(4):597-605.
[3]H Ellerbrock,S Ziegenhagen.Liquid rocket engine test facility engineering challenges,Acta Astronautica,2006,59(12):1123-1134.
[4]G Cai,J Fang,X Xu,et al.Performance prediction and optimization for liquid rocket engine nozzle[J].Aerospace Science and Technology,2007,11(2):155-162.
[5]D Byun,S W Baek.Numerical investigation of combustion with non-gray thermal radiation and soot formation effect in a liquid rocket engine[J].International Journal of Heat and Mass Transfer,2007,50(3):412-422.
[6]F Richecoeur,S Ducruix,P Scouflaire,et al.Experimental investigation of high-frequency combustion instabilities in liquid rocket engine[J].Acta Astronautica,2008,62(1):18-27.
[7]A Potapov,Y Shtefan,E Lichman.Research of material for uncooled nozzle extensions of liquid rocket engines[J].Acta Astronautica,2009,64(1):22-27.
[8]宋雅娜,俞南嘉,马彬,周文禄,黄翔.基于气动谐振点火器的氢氧变轨火箭发动机地面点火试验[J].航空动力学报,2005,20(3):523-528.Y N Song,N J Yu,B Ma,et al.Ground ignition test of an orbit maneuver H2/O2 thruster based on gas dynamic resonance igniter[J].Journal of Aerospace Power,2005,20(3):523-528.
[9]D M Lineberry,H W Coleman,R Sekita.Uncertainty analysis of Staged combustion LOX LH2 rocket engine hot firing tests[C]//40th Joint Propulsion Conference and Exhibit,Florida,USA:[s.n.],2004.
[10]程谋森,刘昆,张育林.液氢液氧火箭发动机预冷与启动过程数值模拟综述[J].推进技术,2002,23(3):177-181.M S Cheng,K Liu,Y L Zhang.Review on the models and numerical methods for simulation of precooling and starting process of LOX/LH2 rocket engine[J].Journal of Propulsion Technology,2002,23(3):177-181.
[11]Z.G.Wang,W.D.Liu,J.Zhou,Three-dimension numerical simulation of combustion processes in LOX/LH2 rocket engine[C]//35th Joint Propulsion Conference and Exhibit,California,USA:[s.n.],1999.
[12]刘卫东,王振国,周进.液氢/液氧火箭发动机燃烧过程二维数值模拟分析[J].航空动力学报r,1998,13(3):336-338.W D Liu,Z G Wang,J Zhou.Numerical simulation of combustion process in a liquid H2/O2 rocket engine[J].Journal of Aerospace Power,1998,13(3):336-338.
[13]陈曦,李彦旭,崔占忠.喷气式飞机燃烧室的荷电特性[J].北京理工大学学报,2007,27(1):1-4.X Chen,Y X Li,Z Z Cui.Charging Properties of Jet Plane Firebox[J].Transactions of Beijing Institute of Technology,2007,27(1):1-4.
[14]杜磊,刘卫东,王阳阳.静电放电小空间测试装置性能分析与实验验证[J].高电压技术,2012,38(9):2248-2253.L Du,W D Liu,Y Y Wang.Analyzing and validating experiments for the performance of small pace electrostatic discharge test device[J].High Voltage Engineering,2012,38(9):2248-2253.
[15]曹鹤飞,刘尚合,孙永卫,原青云.等离子体环境非偏置固体表面带电研究[J].物理学报,2013,62(11):119401.H F Cao,S H Liu,Y W Sun,et al.Unbiased solid surface charging research in plasma environment[J].Acta Phys Sin,2013,62(11):119401.
[16]曹鹤飞,刘尚合,孙永卫,原青云.等离子体环境下孤立导体表面充电时域特性研究[J].物理学报,2013,62(14):149401.H F Cao,S H Liu,Y W Sun,et al.Unbiased solid surface charging research in plasma environment[J].Acta Phys Sin,2013,62(11):119401.
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