强激光与粒子束, 2011, 23 (11): 2901, 网络出版: 2011-12-12   

强流电子束加速器运行过程电磁辐射的实验研究

Experimental research on electromagnetic radiation during operation of intense electron beam accelerator
作者单位
国防科学技术大学 光电科学与工程学院, 长沙 410073
摘要
强流电子束加速器运行时,临近的计算机和示波器会发生黑屏,这是由于在该过程中产生了较强的电磁辐射干扰。采用实验研究的方法,对实验室研制的强流电子束加速器产生的电磁辐射进行了测量和分析。结果表明:强流电子束加速器产生的电磁辐射主要来源于初级气体开关触发、初级气体开关导通以及气体主开关自击穿导通3个过程。其中,初级气体开关导通时辐射的电磁波强度较大,其强度最大处在与开关相同高度的位置。此外,强流电子束加速器在运行过程中的电磁辐射为低频辐射,主频为21 MHz。
Abstract
The radiation generated in the process that the intense electron-beam accelerator is running with pseudo load can lead to the black screen of the nearby computer and oscillograph. In this study, the research using experiment method is carried out on this problem. Three radiation periods are demonstrated in the experiment, corresponding to the time when the trigger signal arrives, the primary switch operates and the main switch operates, respectively. The radiation generated when the primary switch operates is larger than that generated when the main switch operates. The radiation in the second period reaches the largest intensity at the same height as the primary switch. The analysis of frequency spectra shows that the radiation in the experiment is mainly concentrated in low frequency range with the main frequency of 21 MHz.
参考文献

[1] 刘金亮, 钟辉煌, 谭启美,等. Tesla变压器型电子束加速器初步实验[J]. 强激光与粒子束,2002,14(6):938-940.(Liu Jinliang, Zhong Huihuang, Tan Qimei, et al. Tesla-transformer-type electron beam accelerator. High Power Laser and Particle Beams, 2002, 14(6):938-940)

[2] Rokni S H, Cossairt J D, Liu J C. Radiation shielding at high-energy electron and proton accelerators[C]//Proceedings of the Health Physics Society 2008 Professional Development School-Topics in Accelerator Health Physics.2007.

[3] Vylet V, Liu J C. Radiation protection at high-energy electron accelerators[C]//Invited Talk Presented at 10th Course on Accelerator Radiation Protection.2002.

[4] 程奇峰,倪建平,李劲.直线感应加速器脉冲功率系统电场辐射测量分析[J].核电子学与探测技术,2009,29(5):1160-1164. (Cheng Qifeng, Ni Jianping, Li Jin. Measurement and analysis of the electric field radiation in pulsed power system of linear induction accelerator. Nuclear Electronics and Detection Technology, 2009,29(5):1160-1164)

[5] 钟建忠,刘列,李立民,等.电感储能加速器运行中电磁辐射的实验研究[J].中国物理C, 2008(s1):118-120.(Zhong Jianzhong, Liu Lie, Li Limin,et al. Experimental research on electromagnetic radiation in inductive energy storage accelerator. Chinese Physics C, 2008(s1):118-120)

[6] Liu J L, Cheng X B, Qian B L. Study on strip spiral Blumlein line for the pulsed forming line of intense electron-beam accelerators[J]. Laser and Particle Beams, 2008,27(1):95-102.

[7] 李承祖,赵凤章. 电动力学教程[M].长沙:国防科学技术大学出版社,1997.(Li Chengzu, Zhao Fengzhang. Electrodynamics course.Changsha: National University of Defense Technology Press, 1997.)

[8] 杨津基.气体放电物理[M].北京:科学出版社,1983.(Yang Jinji. Gas discharge physics.Beijing: Science Press, 1983)

[9] 陈仕修,孙幼林,夏长征,等.脉冲等离子体辐射微波机理的初步研究[J]. 强激光与粒子束, 2008,20(3):477-481.(Chen Shixiu, Sun Youlin, Xia Changzheng, et al. Preliminary study on mechanism of radiating microwave from pulsed plasma. High Power Laser and Particle Beams, 2008,20(3):477-481)

[10] 程新兵,刘金亮,陈蒸,等.一种大电流三电极气体火花开关的工作特性[J].高电压技术,2009,35(7):1689-1694.(Cheng Xinbing, Liu Jinliang, Chen Zheng,et al. Operating characteristics of a heavy current three-electrode gas spark switch. High Voltage Engineering, 2009,35(7):1689-1694)

樊旭亮, 刘金亮, 程新兵, 张瑜, 洪志强. 强流电子束加速器运行过程电磁辐射的实验研究[J]. 强激光与粒子束, 2011, 23(11): 2901. Fan Xuliang, Liu Jinliang, Cheng Xinbing, Zhang Yu, Hong Zhiqiang. Experimental research on electromagnetic radiation during operation of intense electron beam accelerator[J]. High Power Laser and Particle Beams, 2011, 23(11): 2901.

本文已被 4 篇论文引用
被引统计数据来源于中国光学期刊网
引用该论文: TXT   |   EndNote

相关论文

加载中...

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!