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The blow-by which occurs in a coaxial plasma gun is the result of reinforcing feedback caused by the gradient of magnetic field and the component of axial current due to the canting of current sheath. The blow-by has become a serious negative effect which limits the effective use of the coaxial plasma gun, so it is necessary to study by experiment the parameters that influence the degree of blow-by. This will not only contribute to the study of the theory and mode about blow-by but also give advices to the weakening or eliminating blow-by by choosing suitable parameters in engineering field. The degree of blow-by can be observed directly by photomultiplier, and the influence of voltage of capacitance, capacitance, and the pressure of gas on blow-by have also been studied. It is shown that the blow-by would become more serious with the increase of capacitance or the voltage of capacitance while it becomes weaker with the increase of gas pressure. These phenomena can be explained based on the snowplow model. We consider that the increase of capacitance or the voltage of capacitance can make the current sheath canting more serious, however it would reduce the degree of current sheath canting with the increase of gas pressure. So the blow-by can be controlled by the parameters which influence current sheath canting.
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Keywords:
- coaxial gun /
- blow-by /
- photomultiplier /
- snowplow model
[1] John M 1960 Phys. Fluids 3 134
[2] Zhukeshov A M, Amrenova A U, Gabdullina A T, Ibraev B M 2013 Amer. J. Phys 1 5
[3] Messer S, Case A, Bomgardner R, varPhillips M, Witherspoon F D 2009 Phys. Plasmas 16 064502
[4] Mather J W 1965 Phys. Fluids 8 366
[5] Mather J W 1964 Phys. Fluids 7 28
[6] Case A, Messer S, Bomgardner R, Witherspoon F D 2010 Phys. Plasmas 17 053503
[7] Rieker G B, Poehlmann F R, Cappelli M A 2013 Phys. Plasmas 20 073115
[8] Flavio R, Poehlmann F R, Mark A C, Gregory B R 2010 Phys. Plasmas 17 123508
[9] Cheng D Y 1971 AIAA Journal 9 1681
[10] Ticos C M, Wang Z H, Wurden G A, Kline J L 2008 Phys . Rev. Lett . 100 155002
[11] Ticos C M, Wang Z H, Wurden G A, Kline J L 2008 Phys. Plasmas 15 103701
[12] Ticos C M, Wang Z H, Gian L D, Giovanni L 2006 Phys. Plasmas 13 103501
[13] Gao Z X, Feng C H, Yang X Z, Huaug J G 2012 Acta Phys. Sin. 61 145201 (in Chinese) [高著秀, 冯春华, 杨宣宗, 黄建国 2012 61 145201]
[14] Han J W, Zhang Z L, Huang J G, Li X Y 2006 Spacecraft Environment Engineering 23 205 (in Chinese) [韩建伟, 张振龙, 黄建国, 李小银 2006 航天器环境工程 23 205]
[15] Cai M H, Wu F S, Li H W, Han J W 2014 Acta Phys. Sin. 63 019401 (in Chinese) [蔡明辉, 吴逢时, 李宏伟, 韩建伟 2014 63 019401]
[16] Schoenberg K F, Richard A G, Ronald W M, Jay T S 1998 Phys. Plasmas 5 2090
[17] Krzysztof Z 1995 Surface and Coatings Technology 74 949
[18] Witherspoon F D, Andrew C, Sarah J M, Richard B 2009 Rev. Sci. Instrum 80 083506
[19] Wang Z H, Paul D B, Cris W B, Michael W M 2005 Review of scientific instruments 76 033501
[20] Inutake M, Ando A, Hattori K, Tobari H 2007 Plasma Phys. Control. Fusion 49 121
[21] varPhilip J H 1962 Phys. Fluids 5 38
[22] varPhilip J H 1964 J. Appl. Phys 35 3425
[23] Cassibry J T, Thio Y C, Wu S T 2006 Phys. Plasmas 13 053101
[24] Markusic T E, Choueiri E Y, Berkery J W 2004 Phys. Plasmas 11 4847
[25] Baker K L, Horton R D, Hwang D Q, Evans R W 2002 IEEE Trans on Plasma Science 30 48
[26] Li H W, Han J W, Wu F S, Cai M H, Zhang Z L 2014 Acta Phys. Sin. 63 019401 (in Chinese) [李宏伟, 韩建伟, 吴逢时, 蔡明辉, 张振龙 2014 63 019401]
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[1] John M 1960 Phys. Fluids 3 134
[2] Zhukeshov A M, Amrenova A U, Gabdullina A T, Ibraev B M 2013 Amer. J. Phys 1 5
[3] Messer S, Case A, Bomgardner R, varPhillips M, Witherspoon F D 2009 Phys. Plasmas 16 064502
[4] Mather J W 1965 Phys. Fluids 8 366
[5] Mather J W 1964 Phys. Fluids 7 28
[6] Case A, Messer S, Bomgardner R, Witherspoon F D 2010 Phys. Plasmas 17 053503
[7] Rieker G B, Poehlmann F R, Cappelli M A 2013 Phys. Plasmas 20 073115
[8] Flavio R, Poehlmann F R, Mark A C, Gregory B R 2010 Phys. Plasmas 17 123508
[9] Cheng D Y 1971 AIAA Journal 9 1681
[10] Ticos C M, Wang Z H, Wurden G A, Kline J L 2008 Phys . Rev. Lett . 100 155002
[11] Ticos C M, Wang Z H, Wurden G A, Kline J L 2008 Phys. Plasmas 15 103701
[12] Ticos C M, Wang Z H, Gian L D, Giovanni L 2006 Phys. Plasmas 13 103501
[13] Gao Z X, Feng C H, Yang X Z, Huaug J G 2012 Acta Phys. Sin. 61 145201 (in Chinese) [高著秀, 冯春华, 杨宣宗, 黄建国 2012 61 145201]
[14] Han J W, Zhang Z L, Huang J G, Li X Y 2006 Spacecraft Environment Engineering 23 205 (in Chinese) [韩建伟, 张振龙, 黄建国, 李小银 2006 航天器环境工程 23 205]
[15] Cai M H, Wu F S, Li H W, Han J W 2014 Acta Phys. Sin. 63 019401 (in Chinese) [蔡明辉, 吴逢时, 李宏伟, 韩建伟 2014 63 019401]
[16] Schoenberg K F, Richard A G, Ronald W M, Jay T S 1998 Phys. Plasmas 5 2090
[17] Krzysztof Z 1995 Surface and Coatings Technology 74 949
[18] Witherspoon F D, Andrew C, Sarah J M, Richard B 2009 Rev. Sci. Instrum 80 083506
[19] Wang Z H, Paul D B, Cris W B, Michael W M 2005 Review of scientific instruments 76 033501
[20] Inutake M, Ando A, Hattori K, Tobari H 2007 Plasma Phys. Control. Fusion 49 121
[21] varPhilip J H 1962 Phys. Fluids 5 38
[22] varPhilip J H 1964 J. Appl. Phys 35 3425
[23] Cassibry J T, Thio Y C, Wu S T 2006 Phys. Plasmas 13 053101
[24] Markusic T E, Choueiri E Y, Berkery J W 2004 Phys. Plasmas 11 4847
[25] Baker K L, Horton R D, Hwang D Q, Evans R W 2002 IEEE Trans on Plasma Science 30 48
[26] Li H W, Han J W, Wu F S, Cai M H, Zhang Z L 2014 Acta Phys. Sin. 63 019401 (in Chinese) [李宏伟, 韩建伟, 吴逢时, 蔡明辉, 张振龙 2014 63 019401]
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