大型星载固面天线热变形试验及仿真分析验证  

Simulation analysis and model validation of thermal distortion for large space-borne solid antenna

作　　者：李奇[1] 周徐斌[1] 杜三虎[1] 王萌[1] LI Qi;ZHOU Xubin;DU Sanhu;WANG Meng(Shanghai Institute of Satellite Engineering, Shanghai 201109, China)

机构地区：[1]上海卫星工程研究所,上海201109

出　　处：《航天器环境工程》2017年第1期40-48,共9页Spacecraft Environment Engineering

基　　金：总装备部共性基金项目(编号:9140A20020112914001)

摘　　要：星载天线在轨运行期间所经历的复杂温度环境,会使天线产生严重的热变形,从而对其电性能造成重要影响。文章根据大型星载固面天线热变形的特点,提出热变形试验与仿真一体化分析验证方法,并且将测试结果与数值仿真结果进行相互校验。该方法可为大型星载天线结构设计及验证提供参考。The space-borne antenna is in a complex temperature environment when traveling in orbit,whichleads to a serious thermal distortion,to influence the electrical property of the antenna.According to thecharacteristics of the thermal distortion test,a thermal distortion test and modeling integrated analysis method isintroduced.The method is briefly introduced in this paper,including the thermal distortion test project,and thesimulation model,and the results of test are compared with the results of simulation.The verification method ofthe thermal distortion test and analysis can play an important role in the design of the large space-borne antenna.

关 键 词：星载固面天线 热变形分析 热变形试验 数字近景摄影测量 模型验证 

分 类 号：V414.6[航空宇航科学与技术—航空宇航推进理论与工程]