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An experiment was performed to investigate how the magnetic field gradient in strong field zone affects the discharge processes of Hall thrusters, such as the ionization and acceleration of propellants, for further research on optimal design theory of magnetic field in discharge channels of Hall thrusters. The results show that magnetic field strength has little effect on the ionization of propellants within the designed range of magnetic field gradient, but has significant influence on the acceleration of ions.With the increase of magnetic field gradient, the ion-beam energy distribution tends to be concentrated, and the thrust efficiency tends to rise. Finally, further increase of magnetic field gradient may lead to a series of physical problems,among whith such as the finite Larmor radius effect, the changes in the law of electronic conduction mechanism, and the magnetic field gradient drift are analyzed.
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Keywords:
- Hall thruster /
- magnetic field gradient /
- discharge characteristics
[1] Zhurin V V, Kaufman H R 1999 Plasma Sourc. Sci. Technol. 8 1
[2] 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]
[3] Geng S F, Tang D L, Zhao J, Qiu X M 2009 Acta Phys. Sin. 58 5520(in Chinese)[耿少飞、唐德礼、赵 杰、邱孝明 2009 58 5520]
[4] E P 2009 Ph. D. Dissertation (Harbin: Harbin Institute of Technology)(in Chinese) [鄂 鹏 2009 博士学位论文(哈尔滨: 哈尔滨工业大学)]
[5] Morozov A I, Savelyev V V 2001 Reviews of Plasma Physics (Volume 21)(New York: Consultants Bureau) p207
[6] Esipchuck Y, Tilinin G 1976 Sov. Phys.Tech. Phys. 21 417
[7] Tilinin G 1977 Sov. Phys.Tech. Phys. 22 974
[8] E P, Yu D R, Wu Z W, Han K 2009 Acta Phys. Sin. 58 2535(in Chinese)[鄂 鹏、于达仁、武志文、韩 轲 2009 58 2535]
[9] Morozov A I, Esipchuck Y V 1972 Sov. Phys. Tech. Phys. 17 482
[10] Morozov A I 2003 Plasma Phys. Rep. 29 235
[11] Racca G D, Giuseppe D 1999 Acta Astronaut. 45 337
[12] Garrigues L, Hagelaar G J M, Bareilles J, Boniface C, Boeuf J P 2003 Phys. Plasmas 10 4886
[13] Morozov A I, Balebanov V M, Bugrova A I, Lipatov A S, Khartchevnikov V K 1997 Plasma Phys. Rep. 23 587
[14] Ding Y J 2009 Ph. D. Dissertation (Harbin: Harbin Institute of Technology) (in Chinese) [丁永杰 2009 博士学位论文(哈尔滨: 哈尔滨工业大学)]
[15] Li Y Q, Yu D R 2006 Plasma Sci. Technol. 8 666
[16] Linnell J A, Gallimore A D 2006 Phys. Plasmas 13 103504
[17] Karabadzhak G F, Chiu Y H, Dressler R A 2006 J. Appl. Phys. 11 113305
[18] Fu H Y 2008 MS Dissertation (Harbin: Harbin Institute of Technology)(in Chinese) [付海洋 2008 硕士学位论文(哈尔滨: 哈尔滨工业大学)]
[19] Bugrova A I, Morozov A I, Kharchevnikov V K 1990 Sov. J. Plasma Phys. 16 849
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[1] Zhurin V V, Kaufman H R 1999 Plasma Sourc. Sci. Technol. 8 1
[2] 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]
[3] Geng S F, Tang D L, Zhao J, Qiu X M 2009 Acta Phys. Sin. 58 5520(in Chinese)[耿少飞、唐德礼、赵 杰、邱孝明 2009 58 5520]
[4] E P 2009 Ph. D. Dissertation (Harbin: Harbin Institute of Technology)(in Chinese) [鄂 鹏 2009 博士学位论文(哈尔滨: 哈尔滨工业大学)]
[5] Morozov A I, Savelyev V V 2001 Reviews of Plasma Physics (Volume 21)(New York: Consultants Bureau) p207
[6] Esipchuck Y, Tilinin G 1976 Sov. Phys.Tech. Phys. 21 417
[7] Tilinin G 1977 Sov. Phys.Tech. Phys. 22 974
[8] E P, Yu D R, Wu Z W, Han K 2009 Acta Phys. Sin. 58 2535(in Chinese)[鄂 鹏、于达仁、武志文、韩 轲 2009 58 2535]
[9] Morozov A I, Esipchuck Y V 1972 Sov. Phys. Tech. Phys. 17 482
[10] Morozov A I 2003 Plasma Phys. Rep. 29 235
[11] Racca G D, Giuseppe D 1999 Acta Astronaut. 45 337
[12] Garrigues L, Hagelaar G J M, Bareilles J, Boniface C, Boeuf J P 2003 Phys. Plasmas 10 4886
[13] Morozov A I, Balebanov V M, Bugrova A I, Lipatov A S, Khartchevnikov V K 1997 Plasma Phys. Rep. 23 587
[14] Ding Y J 2009 Ph. D. Dissertation (Harbin: Harbin Institute of Technology) (in Chinese) [丁永杰 2009 博士学位论文(哈尔滨: 哈尔滨工业大学)]
[15] Li Y Q, Yu D R 2006 Plasma Sci. Technol. 8 666
[16] Linnell J A, Gallimore A D 2006 Phys. Plasmas 13 103504
[17] Karabadzhak G F, Chiu Y H, Dressler R A 2006 J. Appl. Phys. 11 113305
[18] Fu H Y 2008 MS Dissertation (Harbin: Harbin Institute of Technology)(in Chinese) [付海洋 2008 硕士学位论文(哈尔滨: 哈尔滨工业大学)]
[19] Bugrova A I, Morozov A I, Kharchevnikov V K 1990 Sov. J. Plasma Phys. 16 849
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