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全三维94GHz回旋管系统数值模拟研究 被引量:4

A 3D numerical simulation to study the system of gyrotron
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摘要 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94GHz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94GHz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、94GHz、平均输出功率约在40kW、效率达到10.5%的高性能回旋振荡管. In order to break the limitation of gyrotron emission producing the ideal electron beam in the traditional gyrotron numerical simu- lation, 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 ver- tical 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.
出处 《物理学报》 SCIE EI CAS CSCD 北大核心 2013年第11期173-178,共6页 Acta Physica Sinica
基金 国家自然科学基金(批准号:11175040)资助的课题~~
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 double-anode magnetron injection electron gun, conformal FDTD, the horizontal and vertical velocity ratio, velocity spread
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参考文献12

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同被引文献58

  • 1徐寿喜,张世昌,粟亦农,刘濮鲲.8mm二次谐波回旋速调管放大器双阳极磁控注入电子枪的设计[J].强激光与粒子束,2005,17(1):104-108. 被引量:4
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  • 8Weng B B, Ma J G, Wei L, Li L, Qiu J J, Xu J, Shi Z S 2011 Appl. Phys. Lett. 99 221110.
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