W波段连续波行波管热力学可靠性分析  

Thermodynamic Reliability Analysis of a W-Band CW Traveling Wave Tube

作　　者：高畅 陈辑[1] 杜英华[1] GAO Chang;CHEN Ji;DU Ying-hua(National Key Laboratory of Science and Technology on Vacuum Electronics,The 12th Research Institute of China Electronic Technology Group Corporation,Beijing 100015,China)

机构地区：[1]中国电子科技集团公司第十二研究所微波电真空器件国家级重点实验室,北京100015

出　　处：《真空电子技术》2022年第3期52-55,68,共5页Vacuum Electronics

摘　　要：行波管是一种具有大功率、宽频带、高效率等特点的功率放大器件。本文针对行波管可靠性,基于Ansys软件开展了W波段连续波行波管热力学仿真和优化设计,建立了行波管收集极仿真模型并进行热力耦合分析,通过优化设计改善了收集极热应力分布状态,提高行波管热可靠性。针对行波管车载应用条件,开展行波管振动和冲击仿真分析研究,充分证明了行波管在典型车载应用场景中的适应性。Traveling wave tube(TWT)is a kind of microwave energy amplifier with high power,wide frequency band and high efficiency.Aiming at the reliability of devices,the thermodynamic simulation and optimization design of a W-band CW TWT is carried out based on ANSYS software.A simulation model of the TWT collector is established and the thermodynamic coupling analysis is performed.Through the optimization design,the thermal stress distribution of the collector is ameliorated and the thermodynamic reliability of the TWT is improved.According to the vehicle application conditions of TWT,the vibration analysis and shock analysis of the TWT are carried out,and the results fully prove the adaptability of the TWT in typical vehicle application scenarios.

关 键 词：W波段 连续波行波管 热力学分析 可靠性 

分 类 号：TN124[电子电信—物理电子学]