Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786)最新文献_第2页

Crowbar replacement through solid-state opening switches [VED applications] 通过固态开路开关更换撬棍[VED应用]

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316311

M. Kempkes, J. Casey, I. Roth, T. Hawkey, M. Gaudreau

引用次数: 1

An investigation of machining performance for controlled surface quality requirements in porous tungsten [for dispenser cathodes] 多孔钨[分焊机阴极]表面质量控制要求的加工性能研究

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316360

S. Chen, D. Head, I. Jawahir

{"title":"An investigation of machining performance for controlled surface quality requirements in porous tungsten [for dispenser cathodes]","authors":"S. Chen, D. Head, I. Jawahir","doi":"10.1109/IVELEC.2004.1316360","DOIUrl":"https://doi.org/10.1109/IVELEC.2004.1316360","url":null,"abstract":"The proposed work in this paper will concentrate on modeling and optimization of face-contour turning of porous tungsten for controlled surface quality requirements. A study of the combined effects of workpiece geometry, work material properties, tool geometry (i.e., cutting edge radius, nose radius, rake angle, inclination angle, etc.), tool material properties (carbide and diamond tool inserts), and machining conditions (cutting speed, depth of cut, and feed) on the porosity in face-contour turning of porous tungsten was undertaken. There are many analyzable characteristics of the cutting phenomenon that can be determined from the output of the system. The empirical data needed for developing accurate modeling equations can be acquired from this output criteria. The cutting edge radius of the tool insert can be measured before and after the machining process with a white light interferometer to determine the initial patterns of wear on the cutting edge. The chips being removed will be gathered and classified. The forces applied to the workpiece will be measured with a multi axis Fischer dynamometer to determine the resultant and component forces at the insert to material interface.","PeriodicalId":283559,"journal":{"name":"Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786)","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133825181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Gyroklinotron's efficiency Gyroklinotron的效率

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316266

A. A. Kurayev, A. K. Sinitsyn

引用次数: 7

Self-excitation conditions in overmoded klystrons 过模速调管的自激条件

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316278

G. Nusinovich, M. Read, L. Song, R. Ives

引用次数: 1

Prediction of cold-test and hot-test characteristics of a high efficiency linear C-band helix TWT using HFSS, CTLSS, Christine 1-D/3-D 利用HFSS、CTLSS、Christine 1-D/3-D预测高效率线性c波段螺旋行波管冷、热试验特性

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316233

R. Begum, M. Chesnut, J. Legarra, B. Stockwell, S. Cooke, D. Chernin, C. Chang, T. Antonsen, B. Levush

引用次数: 1

Ka band /spl sim/10 MW gyro-devices: an experiment and a project Ka波段/spl sim/ 10mw陀螺装置:实验与设计

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316198

E. Llyakov, A. Krasnykh, I. Kulagin, S. Kuzikov, V. Lygin, M. Moiseev, M. Petelin, N. Zaitsev

引用次数: 5

Spurious reflection of space charge waves in traveling wave structures 行波结构中空间电荷波的杂散反射

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316353

T. Antonsen, D. Chernin, S. Cooke, B. Levush

引用次数: 0

SINCOHET: simple nonlinear analysis code for helix traveling wave tube SINCOHET:螺旋行波管简单非线性分析代码

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316227

Y. Joo, A. Sinha, G. Park

引用次数: 1

Harmonic suppression in a helix TWT using SUNRAY-3D code 利用SUNRAY-3D代码抑制螺旋行波管中的谐波

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316194

A. Srivastava, T. Ghosh, V. Srivastava, S. Joshi

{"title":"Harmonic suppression in a helix TWT using SUNRAY-3D code","authors":"A. Srivastava, T. Ghosh, V. Srivastava, S. Joshi","doi":"10.1109/IVELEC.2004.1316194","DOIUrl":"https://doi.org/10.1109/IVELEC.2004.1316194","url":null,"abstract":"Summary form only given. Because of the inherently wide bandwidth of the helical slow-wave structure (SWS) and nonlinearity in the electron beam at large signal levels, second and higher order harmonics of the input RF signal(s) are also generated significantly near the output, at the cost of the growth of the input (fundamental) RF signal. This reduces the TWT efficiency. Therefore, the helix SWS is to be designed in such a fashion that the harmonic levels can be suppressed near the tube output to enhance the growth of the fundamental RF signal. This requires an accurate multi-signal large-signal model for analysis of the beam-wave interaction along the helix SWS. The SUNRAY-3D program (V Srivastava, IETE Journal of Research, vol.49, no.4, p.239-246, 2003) was used for determination of the generation of second harmonic power along with output power of the fundamental (input) RF signal, after checking convergence of simulated results for different numbers of discs per wavelength and for different number of rings per disc, for a broadband TWT. Harmonic power is given along with the output power of the fundamental (input) RF signal.","PeriodicalId":283559,"journal":{"name":"Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128939652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Impact of dispenser cathode thickness on useful operating life 点胶机阴极厚度对使用寿命的影响

Fifth IEEE International Vacuum Electronics Conference (IEEE Cat. No.04EX786) Pub Date : 2004-04-27 DOI: 10.1109/IVELEC.2004.1316331

T. Grant, L. Falce

引用次数: 1