| 行波管周期永磁聚焦系统模拟软件的研制 |
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| 引用本文： | 胡权,黄桃,杨中海,李斌,李建清,廖莉,肖礼,朱小芳.行波管周期永磁聚焦系统模拟软件的研制[J].强激光与粒子束,2008,20(2):268-272. |
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| 作者姓名： | 胡权 黄桃 杨中海 李斌 李建清 廖莉 肖礼 朱小芳 |
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| 作者单位： | 电子科技大学 物理电子学院, 成都 610054 |
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| 摘 要： | 通过对行波管周期永磁聚焦系统(PPM)的理论分析，开发了2维模拟软件UESTC_PPM。该软件主要用于模拟轴对称的永磁结构，在圆柱坐标系下，采用有限差分的方法迭代求解磁钢内外任意位置处的磁感应强度分布。模拟了单磁环结构以及单周期结构，将结果与Ansoft Maxwell 3D的模拟结果进行了对比，结果表明：轴上、轴向以及径向磁感应强度的分布图均很接近，但UESTC_PPM软件耗时较短,验证了UESTC_PPM的正确性，并具有一定的精确度。
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| 关 键 词： | 行波管 周期永磁聚焦系统 CAD 模拟计算 |
| 文章编号： | 1001-4322(2008)02-0268-05 |
| 收稿时间： | 2007/5/30 |
| 修稿时间： | 2007年5月30日 |
Design and implementation of periodic permanent magnetic focusing |
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| HU Quan,HUANG Tao,YANG Zhong-hai,LI Bin,LI Jian-qing,LIAO Li,XIAO Li,ZHU Xiao-fang.Design and implementation of periodic permanent magnetic focusing[J].High Power Laser and Particle Beams,2008,20(2):268-272. |
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| Authors: | HU Quan HUANG Tao YANG Zhong-hai LI Bin LI Jian-qing LIAO Li XIAO Li ZHU Xiao-fang |
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| Institution: | School of Physical Electronics, University of Electronic Science and Technology, Chengdu 610054, China |
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| Abstract: | The theory of periodic permanent magnetic focusing system was studied. 2-D software UESTC_PPM was implemented. It focuses on axisymmetric models and uses finite differential method(FDM) to compute the magnetic displacement. The one magnetic ring model and the one period model were simulated. The results were compared with the results of Ansoft Maxwell 3D. The magnetic induction intensity curve at axis of symmetry and the absolute value of magnetic induction intensity displacement at axial plane of symmetry that were computed with two kind of software are consistent with each other. UESTC_PPM is useful and accurate. |
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| Keywords: | Periodic permanent magnetic focusing(PPM Computer aided design(CAD Simulation |
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