W. Peng, Yixue Wei, Yu-Lu Hu, Zhonghai Yang, Jianqing Li, Bin Li
{"title":"A nonlinear time-dependent simulation for helix traveling wave tubes","authors":"W. Peng, Yixue Wei, Yu-Lu Hu, Zhonghai Yang, Jianqing Li, Bin Li","doi":"10.1109/IVEC.2011.5746916","DOIUrl":null,"url":null,"abstract":"A one dimensional nonlinear time-dependent theory for helix traveling wave tubes in beam-wave interaction is studied. A generalized electromagnetic field is applied to the expression of radio frequency field. The substitution of a spatial average over a wavelength for a time average over a wave period is used in the equation of radio frequency field. The space charge field of electron beam is treated by space charge wave model in company with the space charge coefficient. The effect of radio frequency field and space charge field to electrons is processed by the equations of the electron's energy and phase. A simulating result of the time-dependent model is given.","PeriodicalId":106174,"journal":{"name":"2011 IEEE International Vacuum Electronics Conference (IVEC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE International Vacuum Electronics Conference (IVEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IVEC.2011.5746916","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
A one dimensional nonlinear time-dependent theory for helix traveling wave tubes in beam-wave interaction is studied. A generalized electromagnetic field is applied to the expression of radio frequency field. The substitution of a spatial average over a wavelength for a time average over a wave period is used in the equation of radio frequency field. The space charge field of electron beam is treated by space charge wave model in company with the space charge coefficient. The effect of radio frequency field and space charge field to electrons is processed by the equations of the electron's energy and phase. A simulating result of the time-dependent model is given.
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