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为了打破传统单注回旋管只能产生较低功率的局限性, 本文基于自主研发的PIC粒子模拟软件CHIPIC 对110 GHz和220 GHz同轴腔双注回旋管进行全三维数值模拟研究. 在理论分析同轴双电子注电子枪设计模型和初始参数的基础上通过CHIPIC对其进行优化设计, 得到了具有横纵速度比为1.0, 最大速度零散约为5.4%的高性能电子束; 并将此优化后的双阳极双注电子枪取代传统回旋管数值模拟时采用的回旋 发射进行110 GHz和220 GHz双注回旋管整管的数值模拟, 并采用MPI四进程并行计算, 最终获得了具有双频分别为110 GHz和220 GHz、模式为TE02模、平均输出功率约在70 kW、 效率达到8.75%的高性能双注回旋振荡管.Since to break the limitation of traditional single anode magnetron injection electron gun can only produce a lower power, this paper, based on an independent research and development of particle simulation software CHIPIC, will take the 110 GHz, 220 GHz coaxial cavity double-beam gyrotron for full three-dimensional numerical simulation study. By theoretical analysis for the initial parameters of the coaxial double-beam electron gun and to optimize the design by CHIPIC, we obtain the high-performance electron beam with the horizontal and vertical velocity ratio of 1.0 and the maximum velocity spread of 5.4%, and use the optimized electron gun to replace the traditional gyrotron emission for numerical simulation of the 110 GHz, 220 GHz gyrotron system, as well as the four-process parallel MPI in computing. Finally we obtain that the double bands are 110 and 220 GHz respectively, a TE02 mode, and the average output power about 70 kW. The efficiency can reach 8.75% for the high performance double-beam gyrotron oscillating tube.
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Keywords:
- coaxial cavity double-beam gyrotron /
- coaxial double-beam electron gun /
- horizontal and vertical velocity ratio /
- velocity spread
[1] Liu S G 1987 Theory for relativistic electronics (Beijing: Science Press) p203 (in Chinese) [刘盛纲, 1987 相对论电子学 (北京: 科学出版社)第203页]
[2] W. B. Herrmannsfeldt "Electron trajectory program" SLAC Report-226, Stanford Linear Accelerator Center, Stanford, California
[3] Wang C Q 1994 Finite-Difference Time-Domain Method used for Electromagnetic field calculation (Beijing: University of Peking Press) p62 (in Chinese) [王长清 1994 电磁场计算中的时域有限差分法 (北京: 北京大学出版社) 第62页]
[4] Fu W J, Yan Y, Yuan X S 2009 Physics of Plasmas 162 023103
[5] Correa R A, Barroso J J 1993 Int. J. Electron. 74 131
[6] Dong Ai X 2006 D. Dissertation (Chengdu: University of Electronic Science and Teachnology of China) [董爱香 2006 硕士学位论文 (成都: 电子科技大学)]
[7] Lawson W 1988 Plasma Science 16 2
[8] Xia M Z, Liu D G, Yan Y 2013 Acta Phys. Sin. 62 111301 (in Chinese) [夏蒙重, 刘大刚, 鄢扬 2013 62 111301]
[9] David J A, Ives R L, Tran H, Bui T, Read M E 2008 IEEE Trans. Plasma Sci. vol 36 156
[10] Zhao Q, Li H F, Luo Y, Deng X, Yu Shen, Wang L 2004 High Power Laser And Particle Beams 16 764 (in Chinese) [赵青, 李宏福, 罗勇, 邓学, 喻胜, 王丽 2004 强激光与粒子束 16 764]
[11] Wang H J, Li H F, Zhou X L 2000 High Power Laser and Particle Beams, 12 331 (in Chinese) [王华军, 李宏福, 周晓岚 2000 强激光与粒子束 12 331]
[12] Xia M. Z, Liu D. G, Yan Y 2012 High Power Laser and Particle Beams 8 331 (in Chinese) [夏蒙重, 刘大刚, 鄢扬 2012 强激光与粒子束 8 331]
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[1] Liu S G 1987 Theory for relativistic electronics (Beijing: Science Press) p203 (in Chinese) [刘盛纲, 1987 相对论电子学 (北京: 科学出版社)第203页]
[2] W. B. Herrmannsfeldt "Electron trajectory program" SLAC Report-226, Stanford Linear Accelerator Center, Stanford, California
[3] Wang C Q 1994 Finite-Difference Time-Domain Method used for Electromagnetic field calculation (Beijing: University of Peking Press) p62 (in Chinese) [王长清 1994 电磁场计算中的时域有限差分法 (北京: 北京大学出版社) 第62页]
[4] Fu W J, Yan Y, Yuan X S 2009 Physics of Plasmas 162 023103
[5] Correa R A, Barroso J J 1993 Int. J. Electron. 74 131
[6] Dong Ai X 2006 D. Dissertation (Chengdu: University of Electronic Science and Teachnology of China) [董爱香 2006 硕士学位论文 (成都: 电子科技大学)]
[7] Lawson W 1988 Plasma Science 16 2
[8] Xia M Z, Liu D G, Yan Y 2013 Acta Phys. Sin. 62 111301 (in Chinese) [夏蒙重, 刘大刚, 鄢扬 2013 62 111301]
[9] David J A, Ives R L, Tran H, Bui T, Read M E 2008 IEEE Trans. Plasma Sci. vol 36 156
[10] Zhao Q, Li H F, Luo Y, Deng X, Yu Shen, Wang L 2004 High Power Laser And Particle Beams 16 764 (in Chinese) [赵青, 李宏福, 罗勇, 邓学, 喻胜, 王丽 2004 强激光与粒子束 16 764]
[11] Wang H J, Li H F, Zhou X L 2000 High Power Laser and Particle Beams, 12 331 (in Chinese) [王华军, 李宏福, 周晓岚 2000 强激光与粒子束 12 331]
[12] Xia M. Z, Liu D. G, Yan Y 2012 High Power Laser and Particle Beams 8 331 (in Chinese) [夏蒙重, 刘大刚, 鄢扬 2012 强激光与粒子束 8 331]
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