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The effect of electron temperature anisotropy on BN dielectric wall sheath characteristics in Hall thruster plasma is studied by using a one-dimensional fluid sheath model with the help of emitted electron velocity distribution and multi-species mixed ion effects. Analytic results show that, in comparison with that of a pure univalent xenon plasma, the sheath potential drop and the critical secondary electron emission coefficient are decreased in mixed valence xenon plasmas, while the primary electron flux at the wall is increased. The electron temperature anisotropy in Hall thrusters thus significantly enhances the electron energy emission coefficient, and further reduces the sheath potential drop while intensifies the electron-wall interaction. Numerical results also indicate that the electron temperature anisotropy influences the potential distribution of space charge saturated sheath remarkably.
[1] Kim V 1998 J. Propul. Power 14 736
[2] Zhurin V V, Kaufman H R, Robinson R S 1999 Plasma Sources Sci. Technol. 8 R1
[3] Raitses Y, Ashkenazy J, Appelbaum G 1997 25th International Electric Propulsion conference Cleveland OH, May 26—29, 1997 p56
[4] Ahedo E, Gallardo J M, Martinez-Sanchez M 2003 Phys. Plasmas 10 3397
[5] Yu D R, Zhang F K, Li H, Liu H 2009 Acta Phys. Sin. 58 1844 (in Chinese) [于达仁、 张凤奎、 李 鸿、 刘 辉 2009 58 1844]
[6] Hobbs G D, Wesson J A 1967 Plasma Phys. 9 85
[7] Schwager L A 1993 Phys. Fluids B 5 631
[8] Sydorenko D, Smolyakov A, Kaganovich I, Raitses Y 2006 Phys. Plasmas 13 014501
[9] Sydorenko D, Smolyakov A, Kaganovich I, Raitses Y 2006 IEEE Trans. Plasma Sci. 34 815
[10] Barral S, Makowski K, Peradzynski Z, Gascon N, Dudeck M 2003 Phys. Plasmas 10 4137
[11] Linnell J A, Gallimore A D 2005 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit Tucson Arizona, July 10—13, 2005 p3683
[12] Raitses Y, Smirnov A, Staack D, Fisch N J 2006 Phys. Plasmas 13 014502
[13] Taccogna F, Longo S, Capitelli M 2005 Phys. Plasmas 12 093506
[14] Fife J M 1998 Ph.D.Thesis (Massachusetts Institute of Technology)
[15] Keidar M, Boyd I, Beilis I I 2001 Phys. Plasmas 8 5315
[16] Garrigues L, Hagelaar G J M, Boniface C, Boeuf J P 2006 J. Appl. Phys. 100 123301
[17] Kaganovich I, Misina M, Berezhnoi S V, Gijbels R 2000 Phys. Rev. E 61 1875
[18] Zou X, Liu J Y, Wang Z X, Gong Y, Liu Y, Wang X G 2004 Acta Phys. Sin. 53 3409 (in Chinese) [邹 秀、 刘金远、 王正汹、 宫 野、 刘 悦、 王晓钢 2004 53 3409]
[19] Zou X 2006 Acta Phys. Sin. 55 1907 (in Chinese) [邹 秀 2006 55 1907]
[20] Rodney J, Vaughan M 1989 IEEE Trans. Electron Devices 36 1963
[21] Morozov A I, Savelyev V V 2001 Reviews of Plasma Physics (Volume 21) (New York:Consultants Bureau) p241
[22] Taccogna F, Longo S, Capitelli M 2004 Vacuum 73 89
[23] Ahedo E, De Pablo V 2007 Phys. Plasmas 14 083501
[24] Morozov A I, Savelyev V V 2004 Plasma Phys. Rep. 30 299
[25] Wang D Y, Ma J X, Li Y R, Zhang W G 2009 Acta Phys. Sin. 58 8432 (in Chinese) [王道泳、 马锦秀、 李毅人、 张文贵 2009 58 8432]
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[1] Kim V 1998 J. Propul. Power 14 736
[2] Zhurin V V, Kaufman H R, Robinson R S 1999 Plasma Sources Sci. Technol. 8 R1
[3] Raitses Y, Ashkenazy J, Appelbaum G 1997 25th International Electric Propulsion conference Cleveland OH, May 26—29, 1997 p56
[4] Ahedo E, Gallardo J M, Martinez-Sanchez M 2003 Phys. Plasmas 10 3397
[5] Yu D R, Zhang F K, Li H, Liu H 2009 Acta Phys. Sin. 58 1844 (in Chinese) [于达仁、 张凤奎、 李 鸿、 刘 辉 2009 58 1844]
[6] Hobbs G D, Wesson J A 1967 Plasma Phys. 9 85
[7] Schwager L A 1993 Phys. Fluids B 5 631
[8] Sydorenko D, Smolyakov A, Kaganovich I, Raitses Y 2006 Phys. Plasmas 13 014501
[9] Sydorenko D, Smolyakov A, Kaganovich I, Raitses Y 2006 IEEE Trans. Plasma Sci. 34 815
[10] Barral S, Makowski K, Peradzynski Z, Gascon N, Dudeck M 2003 Phys. Plasmas 10 4137
[11] Linnell J A, Gallimore A D 2005 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit Tucson Arizona, July 10—13, 2005 p3683
[12] Raitses Y, Smirnov A, Staack D, Fisch N J 2006 Phys. Plasmas 13 014502
[13] Taccogna F, Longo S, Capitelli M 2005 Phys. Plasmas 12 093506
[14] Fife J M 1998 Ph.D.Thesis (Massachusetts Institute of Technology)
[15] Keidar M, Boyd I, Beilis I I 2001 Phys. Plasmas 8 5315
[16] Garrigues L, Hagelaar G J M, Boniface C, Boeuf J P 2006 J. Appl. Phys. 100 123301
[17] Kaganovich I, Misina M, Berezhnoi S V, Gijbels R 2000 Phys. Rev. E 61 1875
[18] Zou X, Liu J Y, Wang Z X, Gong Y, Liu Y, Wang X G 2004 Acta Phys. Sin. 53 3409 (in Chinese) [邹 秀、 刘金远、 王正汹、 宫 野、 刘 悦、 王晓钢 2004 53 3409]
[19] Zou X 2006 Acta Phys. Sin. 55 1907 (in Chinese) [邹 秀 2006 55 1907]
[20] Rodney J, Vaughan M 1989 IEEE Trans. Electron Devices 36 1963
[21] Morozov A I, Savelyev V V 2001 Reviews of Plasma Physics (Volume 21) (New York:Consultants Bureau) p241
[22] Taccogna F, Longo S, Capitelli M 2004 Vacuum 73 89
[23] Ahedo E, De Pablo V 2007 Phys. Plasmas 14 083501
[24] Morozov A I, Savelyev V V 2004 Plasma Phys. Rep. 30 299
[25] Wang D Y, Ma J X, Li Y R, Zhang W G 2009 Acta Phys. Sin. 58 8432 (in Chinese) [王道泳、 马锦秀、 李毅人、 张文贵 2009 58 8432]
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