真空电子技术Issue(2)：11-13,28,4.
铁氧体环形器微放电阈值快速粒子模拟
Fast Particle-in-Cell Method for Multipactor Threshold Calculation of Ferrite Circulator
摘要
Abstract
This paper proposed a fast particle-in-cell (PIC) method for calculating the multipactor threshold of ferrite circulators.First the distribution of electromagnetic field and static magnetic field,as well as the information of triangle boundary inside the ferrite circulator are obtained using the CST Microwave Studio;then particle trajectories are solved with the leapfrog scheme;and then the secondary electron yield (SEY) at each electron collision is computed with Furman's model.The multipactor threshold is ultimately determined upon the electron growth with time.For comparative investigation,the multipactor threshold of ferrite circulator is calculated with the proposed method and with the CST Particle Studio separately.The proposed method can achieve the same calculation accuracy but with 6 times calculation efficiency when compared with the CST method.关键词
铁氧体环形器/微放电/粒子模拟/二次电子发射Key words
Ferrite circulator/Multipactor threshold/Particle-in-cell simulation/Secondary electron emission分类
信息技术与安全科学引用本文复制引用
翟永贵,王瑞,王洪广,李记肖,李韵,李永东..铁氧体环形器微放电阈值快速粒子模拟[J].真空电子技术,2017,(2):11-13,28,4.基金项目
空间微波技术重点实验室基金(批准号:No.9140C530101150C53011) （批准号:No.9140C530101150C53011）
国家自然科学基金(批准号:U1537210)资助的课题 （批准号:U1537210）
