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The arc temperature field, electric field and size of conducting zone of gliding arc plasma are important parameters to determine the temperature and density of the electrons, the chemical reaction rates and energy efficiency. Electrical parameters of a 50 Hz ac gliding arc discharge were measured under conditions of two gas flow rates, 1.43 L/min and 6.42 L/min. An instantaneous model which was used to describe the energy transfer of gliding arc discharge was simplified by using an approximate expression for the electrical conductivity and diffusivity of plasma, which ravelled out the moving boundary in the gliding arc simulation resulting from variation of arc structure. The current density, electric field, dynamic temperature field and the structure of ac gliding arc was calculated. The electric field strength from the simulation result of the model was in agreement with the experimental data. According to the calculational result, the temperature on the axis of arc reached as high as 5700—6700 K. It showed the gas flow directly affected the arc structure and current density, thus further affected the electric field strength and temperature distribution. The electric field strength increased firstly and then decreased during a discharge period.
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Keywords:
- gliding arc plasma /
- temperature field /
- electric field strength /
- conducting radius
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[2] Zhang X H, Huang J, Lu X D, Peng L, Sun Y, Chen W, Feng K C, Yang S Z 2009 Acta Phys. Sin. 58 1595 (in Chinese) [张先徽、 黄 骏、 刘筱娣、 彭 磊、 孙 岳、 陈 维、 冯克成、 杨思泽 2009 58 1595]
[3] Hao Y P, Yang L, Tu E L, Chen J Y, Zhu Z W, Wang X L 2010 Acta Phys. Sin. 59 2610 (in Chinese) [郝艳捧、 阳 林、 涂恩来、 陈建阳、 朱展文、 王晓蕾 2010 59 2610]
[4] Liu L Y, Zhang J L, Guo Q C, Wang D Z 2010 Acta Phys. Sin. 59 2653 (in Chinese) [刘莉莹、 张家良、 郭卿超、 王德真 2010 59 2653]
[5] Yu L, Yan J H, Tu X, Li X D, Lu S Y, Cen K F 2008 EPL (Europhysics Letters) 83 45001
[6] Yu L, Li X D, Tu X, Wang Y, Lu S Y, Yan J H 2010 J. Phys. Chem. A 114 360
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[9] Pellerin S, Richard F, Chapelle J, Cormier J M, Musiol K 2000 J. Phys. D: Appl. Phys. 33 2407
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[12] Phillips R L 1967 Brit. J. Appl. Phys. 18 65
[13] Wu H M, Carey G F 1992 IEEE Trans. Plasma Sci. 20 1041
[14] Dalaine V, Cormier J M, Lefaucheux P 1998 J. Appl. Phys. 83 2435
[15] Guo Z Y, Zhao W H 1986 Electric Arc and Thermal Plasma (Beijing: Science Press) P23 (in Chinese) [过增元、 赵文华 1986 电弧与热等离子体 (北京: 科学出版社) 第13页]
[16] Watanabe T, Atsuchi N, Shigeta M 2007 Thin Solid Films 515 4209
[17] Colombo V, Ghedini E, Sanibondi P 2008 Progress in Nuclear Energy 50 921
[18] Chen X 1993 Heat Transfer and Flow of High-temperature Ionized Gas (Beijing: Science Press) P73 (in Chinese) [陈 熙 1993 高温电离气体传热与流动 (北京: 科学出版社) 第329页]
[19] Li H, Su T, OU Y L, Wang H H, Bai X Y, Chen Z P, Liu W D 2006 Acta Phys. Sin. 55 3506 (in Chinese) [李 弘、 苏 铁、 欧阳亮、 王慧慧、 白小燕、 陈志鹏、 刘万东 2006 55 3506]
[20] Sun K, Xin Y, Huang X J, Yuan Q H, Ning Y Y 2008 Acta Phys. Sin. 57 6465 (in Chinese) [孙 恺、 辛 煜、 黄晓江、 袁强华、 宁兆元 2008 57 6465]
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[1] Qiu L, Meng Y D, Ren Y X, Zhong S F 2006 Acta Phys. Sin. 55 5872 (in Chinese) [裘 亮、 孟月东、 任兆杏、 钟少锋 2006 55 5872]
[2] Zhang X H, Huang J, Lu X D, Peng L, Sun Y, Chen W, Feng K C, Yang S Z 2009 Acta Phys. Sin. 58 1595 (in Chinese) [张先徽、 黄 骏、 刘筱娣、 彭 磊、 孙 岳、 陈 维、 冯克成、 杨思泽 2009 58 1595]
[3] Hao Y P, Yang L, Tu E L, Chen J Y, Zhu Z W, Wang X L 2010 Acta Phys. Sin. 59 2610 (in Chinese) [郝艳捧、 阳 林、 涂恩来、 陈建阳、 朱展文、 王晓蕾 2010 59 2610]
[4] Liu L Y, Zhang J L, Guo Q C, Wang D Z 2010 Acta Phys. Sin. 59 2653 (in Chinese) [刘莉莹、 张家良、 郭卿超、 王德真 2010 59 2653]
[5] Yu L, Yan J H, Tu X, Li X D, Lu S Y, Cen K F 2008 EPL (Europhysics Letters) 83 45001
[6] Yu L, Li X D, Tu X, Wang Y, Lu S Y, Yan J H 2010 J. Phys. Chem. A 114 360
[7] Fridman A, Nester S, Kennedy L A, Saveliev A, Mutaf-Yardimci O 1999 Prog. Energy Combust. Sci. 25 211
[8] Kuznetsova I, Kalashnikov N, Gutsol A, Fridman A, Kennedy L A 2002 J. Appl. Phys. 92 4231
[9] Pellerin S, Richard F, Chapelle J, Cormier J M, Musiol K 2000 J. Phys. D: Appl. Phys. 33 2407
[10] Lin L, Wu B, Yang C, Wu C K 2006 Plasma Sci. Technol. 8 653
[11] Zhao Y H, Ma Q, Xia W D 2008 Plasma Sci. Technol. 10 65
[12] Phillips R L 1967 Brit. J. Appl. Phys. 18 65
[13] Wu H M, Carey G F 1992 IEEE Trans. Plasma Sci. 20 1041
[14] Dalaine V, Cormier J M, Lefaucheux P 1998 J. Appl. Phys. 83 2435
[15] Guo Z Y, Zhao W H 1986 Electric Arc and Thermal Plasma (Beijing: Science Press) P23 (in Chinese) [过增元、 赵文华 1986 电弧与热等离子体 (北京: 科学出版社) 第13页]
[16] Watanabe T, Atsuchi N, Shigeta M 2007 Thin Solid Films 515 4209
[17] Colombo V, Ghedini E, Sanibondi P 2008 Progress in Nuclear Energy 50 921
[18] Chen X 1993 Heat Transfer and Flow of High-temperature Ionized Gas (Beijing: Science Press) P73 (in Chinese) [陈 熙 1993 高温电离气体传热与流动 (北京: 科学出版社) 第329页]
[19] Li H, Su T, OU Y L, Wang H H, Bai X Y, Chen Z P, Liu W D 2006 Acta Phys. Sin. 55 3506 (in Chinese) [李 弘、 苏 铁、 欧阳亮、 王慧慧、 白小燕、 陈志鹏、 刘万东 2006 55 3506]
[20] Sun K, Xin Y, Huang X J, Yuan Q H, Ning Y Y 2008 Acta Phys. Sin. 57 6465 (in Chinese) [孙 恺、 辛 煜、 黄晓江、 袁强华、 宁兆元 2008 57 6465]
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