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为了打破传统回旋管数值模拟所采用的回旋发射产生理想电子束的局限性, 本文在理论分析94 GHz双阳极磁控注入式电子枪的结构参数的基础上, 通过共形FDTD算法对网格划分进行优化, 得到了具有横纵速度比为1.42, 最大速度零散为5.92%的高性能电子束, 并将此优化后的电子枪取代传统回旋管数值模拟时采用的回旋发射进行该94 GHz回旋 管系统的数值模拟, 并采用MPI四进程并行计算, 最终获得了具有TE03模、94 GHz、平均输出功率约在40 kW、 效率达到10.5%的高性能回旋振荡管.
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关键词:
- 双阳极磁控注入式电子枪 /
- 共形FDTD /
- 横纵速度比 /
- 速度零散
In order to break the limitation of gyrotron emission producing the ideal electron beam in the traditional gyrotron numerical simulation, this paper on the basis of theoretical analysis of structural parameters for the 94 GHz double-anode magnetron injection electron gun, by optimizing the grid plot of conformal FDTD algorithm, obtains the high-performance electron beam of the horizontal and vertical velocity ratio of 1.42 and the maximum velocity spread of 5.92%, By using the optimized electron gun to replace the traditional gy rotron emission in the numerical simulation of the gyrotron system and using the four-process parallel MPI in computation, we finally obtain a TE03 mode, 94 GHz, the average output power of about 40 kW, with on efficiency of 10.5% for the high-performance gyrotron oscillating tube.-
Keywords:
- double-anode magnetron injection electron gun /
- conformal FDTD /
- the 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] Liu D G, Zhou J, Liu S G 2007 Acta Phys. Sin. 12 6924 (in Chinese) [刘大刚, 周俊, 刘盛纲 2007 12 6924]
[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] Herrmannsfeldt W B Electron trajectory program SLAC Report-226, Stanford Linear Accelerator Center, Stanford, California
[5] David J A, Ives R L, Tran H, Bui T, Read M E 2008 IEEE Trans. Plasma Sci. 36 156
[6] Dong A X 2006 MS. 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 Magnetron Injection Gun Scaling IEEE Trans. On Plasma Science 16 2
[8] Liu D W, Yuan X S, Yan Y, Liu S G 2009 Chin. Phys. B 18 3049
[9] Zhao Q, Li H F, Luo Y, Deng X, Yu Shen, Wang L 2004 High Power Laser And Particle Beams 16 764 [赵青, 李宏福, 罗勇, 邓学, 喻胜, 王丽 2004 强激光与粒子束 16 764]
[10] Wang H J, Li H F, Zhou X L 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]
[11] Holland R, Simpson L 1981 IEEE Tram. Electromagn. Comp. 2388
[12] Xu S X, Zhang S C, Su Y N, Liu P K 2005 High Power Laser and Particle Beams 17 104 (in Chinese) [徐寿喜, 张世昌, 粟亦农, 刘濮鲲 2005 强激光与粒子束 17 104]
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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] Liu D G, Zhou J, Liu S G 2007 Acta Phys. Sin. 12 6924 (in Chinese) [刘大刚, 周俊, 刘盛纲 2007 12 6924]
[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] Herrmannsfeldt W B Electron trajectory program SLAC Report-226, Stanford Linear Accelerator Center, Stanford, California
[5] David J A, Ives R L, Tran H, Bui T, Read M E 2008 IEEE Trans. Plasma Sci. 36 156
[6] Dong A X 2006 MS. 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 Magnetron Injection Gun Scaling IEEE Trans. On Plasma Science 16 2
[8] Liu D W, Yuan X S, Yan Y, Liu S G 2009 Chin. Phys. B 18 3049
[9] Zhao Q, Li H F, Luo Y, Deng X, Yu Shen, Wang L 2004 High Power Laser And Particle Beams 16 764 [赵青, 李宏福, 罗勇, 邓学, 喻胜, 王丽 2004 强激光与粒子束 16 764]
[10] Wang H J, Li H F, Zhou X L 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]
[11] Holland R, Simpson L 1981 IEEE Tram. Electromagn. Comp. 2388
[12] Xu S X, Zhang S C, Su Y N, Liu P K 2005 High Power Laser and Particle Beams 17 104 (in Chinese) [徐寿喜, 张世昌, 粟亦农, 刘濮鲲 2005 强激光与粒子束 17 104]
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