PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Near-wall conductivity effect under a space–charge-saturated sheath in the Hall thruster |
Zhang Feng-Kui(张凤奎)a)†, Ding Yong-Jie(丁永杰)b)‡, Qing Shao-Wei(卿绍伟)b), and Wu Xian-De(吴限德) a) |
a College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China; b HIT Plasma Propulsion Laboratory, Harbin Institute of Technology, Harbin 150001, China |
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Abstract In this paper, we adopt the modified Morozov secondary electron emission model to investigate the influence of the characteristic of a space-charge-saturated sheath near the insulated wall of the Hall thruster on the near-wall conductivity, by the method of two-dimensional (2D) particle simulation (2D+3V). The results show that due to the sharp increase of collision frequency between the electrons and the wall under the space-charge-saturated sheath, the near-wall transport current under this sheath is remarkably higher than that under a classical sheath, and equals the near-wall transport current under a spatially oscillating sheath in order of magnitude. However, the transport currents under a space-charge-saturated sheath and a spatially oscillating sheath are different in mechanism, causing different current density distributions under the above two sheaths, and a great influence of channel width on the near-wall transport current under a space-charge-saturated sheath.
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Received: 19 September 2011
Revised: 12 October 2011
Accepted manuscript online:
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PACS:
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52.40.Kh
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(Plasma sheaths)
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94.30.cj
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(Magnetosheath)
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Fund: Project supported by the Fundamental Research Funds for the Central Universities (Grant No. HEUCF100212) and the National Natural Science Foundation of China (Grant Nos. 51007013, 10875024, and 10975026). |
Cite this article:
Zhang Feng-Kui(张凤奎), Ding Yong-Jie(丁永杰), Qing Shao-Wei(卿绍伟), and Wu Xian-De(吴限德) Near-wall conductivity effect under a space–charge-saturated sheath in the Hall thruster 2011 Chin. Phys. B 20 125201
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[1] |
Meezan N B and Cappelli M A 2002 Phys. Rev. E 66 036401
|
[2] |
Bohm D 1949 The Characterister of Electrical Discharge in Magnetic Field (New York: McGraw-Hill) p. 77
|
[3] |
Morozov A I and Savelyev V V 2001 Reviews of Plasma Physics (New York: Consultants Bureau) p. 211
|
[4] |
Morozov A I 1968 Prikl. Mekh. Tekh. Fuz. 3 19 (in Russian)
|
[5] |
Morozov A I and Savelyev V V 2001 Plasma Phys. Rep. 7 570
|
[6] |
Morozov A I and Savelyev V V 2001 Reviews of Plasma Physics (New York: Consultants Bureau) p. 291
|
[7] |
Morozov A I and Savelyev V V 2002 Plasma Phys. Rep. 28 1017
|
[8] |
Morozov A I and Savelyev V V 2004 Plasma Phys. Rep. 30 299
|
[9] |
Zou X 2006 Acta Phys. Sin. 55 1907 (in Chinese)
|
[10] |
Zou X, Liu H P and Gu X E 2008 Acta Phys. Sin. 57 5111 (in Chinese)
|
[11] |
Zou X, Gi T K and Zou B Y 2010 Acta Phys. Sin. 59 1902 (in Chinese)
|
[12] |
Wang D Y, Ma J X, Li Y R and Zhang W G 2009 Acta Phys. Sin. 58 8432 (in Chinese)
|
[13] |
Li Y R, Ma J X, Zheng Y B and Zhang W G 2010 Chin. Phys. B 19 085201
|
[14] |
Tan Z X, Huang Y S, Lan X F, Lu J X, Duan X J, Wang L J, Yang D W, Guo S L and Wang N Y 2010 Chin. Phys. B 19 055201
|
[15] |
Da Z L, Wang Y N and Ma T C 2001 Acta Phys. Sin. 50 2398 (in Chinese)
|
[16] |
Liu C S and Wang D Z 2003 Acta Phys. Sin. 52 109 (in Chinese)
|
[17] |
Hou L J and Wang Y N 2003 Acta Phys. Sin. 52 434 (in Chinese)
|
[18] |
Wang Z X, Liu J Y, Zou X, Liu Y and Wang X G 2004 Acta Phys. Sin. 53 793 (in Chinese)
|
[19] |
Zou X, Liu J Y, Wang Z X, Gong Y, Liu Y and Wang X G 2004 Acta Phys. Sin. 53 3409 (in Chinese)
|
[20] |
Duan P, Liu J Y, Gong Y, Zhang Y, Liu Y and Wang X G 2007 Acta Phys. Sin. 56 7090 (in Chinese)
|
[21] |
Liu C S, Wang D Z, Liu T W and Wang Y H 2008 Acta Phys. Sin. 57 6450 (in Chinese)
|
[22] |
Liu C S, Han H Y, Peng X Q, Chang Y and Wang D Z 2010 Chin. Phys. B 19 035201
|
[23] |
Zhang F K, Yu D R, Ding Y J and Li H 2011 Appl. Phys. Lett. 98 111501
|
[24] |
Li H, Zhang F K, Liu H and Yu D R 2010 Phys. Plasmas 17 074505
|
[25] |
Barral S, Makowski K, Peradzynski Z, Gascon N and Dudeck M 2003 Phys. Plasmas 10 4137
|
[26] |
Zhang F K and Ding Y J 2011 Acta Phys. Sin. 60 065203 (in Chinese)
|
[27] |
Dunaevsky A, Raitses Y and Fisch N J 2003 Phys. Plasmas 10 2574
|
[28] |
Morozov A I and Savelyev V V 2001 Reviews of Plasma Physics (New York: Consultants Bureau) p. 241
|
[29] |
Gascon N, Dudeck M and Barral S 2003 Phys. Plasmas 10 4123
|
[30] |
Raitses Y, Staack D, Keidar M and Fisch N J 2005 Phys. Plasmas 12 057104
|
[31] |
Bugrova A I, Morozov A I and Kharchevnikov V K 1992 Fiz. Plazmy. 16 849 (in Russian)
|
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