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"Plasma driven micro-particle accelerator" is a ground device for simulating impact effects of small debris in space. The particle velocity is determined mainly by axial velocity of plasma in a coaxial gun. Emission spectrometry is used to study the plasma axial velocity at different voltages and gas pressures. The experimental results indicate that axial velocity increases with the increase of discharging voltage, and doesn't change significantly with the pressure of working gas, which is consistent with the result of numerical simulation. This result is useful to improve the plasma axial velocity further, and provides an experimental basis for optimizing the accelerator.
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Keywords:
- emission spectroscopy /
- debris accelerator /
- plasma /
- Doppler drift
[1] Igenbergs E B, Shriver E L 1973 J. Appl. Phys. 44 2177
[2] Huang J G, Han J W, Li H W, Cai M H, Li X Y 2008 Acta Phys. Sin. 57 7950 (in Chinese) [黄建国, 韩建伟, 李宏伟, 蔡明辉, 李小银 2008 57 7950]
[3] Li H W, Han J W, Huang J G, Cai M H, Li X Y, Gao Z X 2010 Acta Phys. Sin. 59 1385 (in Chinese) [李宏伟, 韩建伟, 黄建国, 蔡明辉, 李小银, 高著秀 2010 59 1385]
[4] Soto L 2005 Plasma Physics and Controlled Fusion 47 A361
[5] Silva P, Moreno J, Soto L, Birstein L, Mayer R E, Kies W 2003 Appl. Phys. Lett. 83 3269
[6] Shafiq M, Hassan M, Shahzad K, Qayyum A, Ahmad S, Rawat R S, Zakaullah M 2010 Chin. Phys. B 19 012801
[7] Niu T Y, Cao J X, Liu L, Liu J Y, Wang Y, Wang L, Lü Y, Wang G, Zhu Y 2007 Acta Phys. Sin. 56 2330 (in Chinese) [牛田野, 曹金祥, 刘磊, 刘金英, 王艳, 王亮, 吕铀, 王舸, 朱颖 2007 56 2330]
[8] Li X C, Yuan N, Jia P Y, Chang Y Y, Ji Y F 2011 Acta Phys. Sin. 60 034216 (in Chinese) [李雪辰, 袁宁, 贾鹏英, 常媛媛, 嵇亚飞 2011 60 034216]
[9] Xiang Z L, Yu C X 1982 High-Temperature Plasma Diagnostic Techniques (1st Vol.) (Shanghai: Shanghai Science and Technology Press) p84 (in Chinese) [项志遴, 俞昌旋 1982 高温等离子体诊断技术(上册)(上海: 上海科学技术出版社) 第84页]
[10] Feng C H, Fang T Z, Wang L, Yang X Z, Huang J G, Chen C F, Han J W, Sun Y C 2011 Nuclear Fusion and Plasma Physics 31 181 (in Chinese) [冯春华, 房同珍, 王龙, 杨宣宗, 黄建国, 陈朝峰, 韩建伟, 孙远程 2011 核聚变与等离子体物理 31 181]
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[1] Igenbergs E B, Shriver E L 1973 J. Appl. Phys. 44 2177
[2] Huang J G, Han J W, Li H W, Cai M H, Li X Y 2008 Acta Phys. Sin. 57 7950 (in Chinese) [黄建国, 韩建伟, 李宏伟, 蔡明辉, 李小银 2008 57 7950]
[3] Li H W, Han J W, Huang J G, Cai M H, Li X Y, Gao Z X 2010 Acta Phys. Sin. 59 1385 (in Chinese) [李宏伟, 韩建伟, 黄建国, 蔡明辉, 李小银, 高著秀 2010 59 1385]
[4] Soto L 2005 Plasma Physics and Controlled Fusion 47 A361
[5] Silva P, Moreno J, Soto L, Birstein L, Mayer R E, Kies W 2003 Appl. Phys. Lett. 83 3269
[6] Shafiq M, Hassan M, Shahzad K, Qayyum A, Ahmad S, Rawat R S, Zakaullah M 2010 Chin. Phys. B 19 012801
[7] Niu T Y, Cao J X, Liu L, Liu J Y, Wang Y, Wang L, Lü Y, Wang G, Zhu Y 2007 Acta Phys. Sin. 56 2330 (in Chinese) [牛田野, 曹金祥, 刘磊, 刘金英, 王艳, 王亮, 吕铀, 王舸, 朱颖 2007 56 2330]
[8] Li X C, Yuan N, Jia P Y, Chang Y Y, Ji Y F 2011 Acta Phys. Sin. 60 034216 (in Chinese) [李雪辰, 袁宁, 贾鹏英, 常媛媛, 嵇亚飞 2011 60 034216]
[9] Xiang Z L, Yu C X 1982 High-Temperature Plasma Diagnostic Techniques (1st Vol.) (Shanghai: Shanghai Science and Technology Press) p84 (in Chinese) [项志遴, 俞昌旋 1982 高温等离子体诊断技术(上册)(上海: 上海科学技术出版社) 第84页]
[10] Feng C H, Fang T Z, Wang L, Yang X Z, Huang J G, Chen C F, Han J W, Sun Y C 2011 Nuclear Fusion and Plasma Physics 31 181 (in Chinese) [冯春华, 房同珍, 王龙, 杨宣宗, 黄建国, 陈朝峰, 韩建伟, 孙远程 2011 核聚变与等离子体物理 31 181]
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