Structure Design and Thermal Deformation Analysis of Large Spaceborne Flat Slotted Antenna
Authors:
- Wenjie FanWFWenjie Fan
- Xiaopeng LiXLXiaopeng Li
- Bo ChenBCBo Chen
- 1 January 2014
- journal article
- Published by National Space Science Center, Chinese Academy of Sciences in Chinese Journal of Space Science
- Vol. 34 (6) , 894-898
Abstract
以空间应用需求日益广泛的大型平板缝隙天线为研究对象, 介绍了其结构组成. 为减小天线热变形, 对天线外侧4个安装角的连接方式做了改进设计, 并在极高温和极低温两种工况下进行热变形分析, 得到改进前后两个方案的变形结果. 在极高温工况下, 天线阵面Y向热变形均方根值从改进前的0.52 mm减小到0.3 mm; 在极低温工况下, 天线阵面热变形均方根值从改进前的0.35 mm减小到0.1 mm. 结果表明改进后的方案满足设计要求, 从而确保了天线在轨电性能的指标.Keywords
This publication has 1 reference indexed in Scilit:
- Thermal-Structural Analysis of Deployable Truss AntennaChinese Journal of Space Science, 2005