大椭圆轨道遥感卫星有效载荷安装面热变形抑制方法  

Method of Thermal Deformation Control for Payload Mounting Plate of HEO Remote Sensing Satellite

作　　者：蒋国伟[1] 苏若斌[1] 俞洁[2] 陆国平[1] 陈祥[1] 陈彬彬[1] 

机构地区：[1]上海卫星工程研究所,上海201109 [2]上海航天技术研究院,上海201109

出　　处：《航天器工程》2017年第4期29-34,共6页Spacecraft Engineering

摘　　要：针对大椭圆轨道遥感卫星有效载荷安装面在复杂外热流环境下存在较大热变形的问题,文章提出了碳纤维结构铺层优化和柔性连接两个热变形抑制的方案,并分析了两个方案的优缺点。以某大椭圆轨道遥感卫星为例,进行了分析验证,结果表明:采用柔性连接设计方案优于碳纤维结构铺层优化方案,可将因热变形引起的载荷安装面法向变化从672μrad减小至185μrad,更适用于大椭圆轨道卫星不规律多变外热流下有效载荷安装面的热变形抑制。In order to reduce the large thermal deformation caused by complicated heat flux to the payload mounting plate of HEO remote sensing satellite, two different thermal deformation con-trol projects are bringed up. They are lamination optimum and flexible connection. Taking some HEO remote sensing satellite as an example,the two projects are modeled and analysed. The re-sult indicated that flexible connection could be reduced the thermal deformation of payload mount-ing structure from 672jLtrad to 185jLtrad,which would be better for HEO remote sensing satellite.

关 键 词：遥感卫星 有效载荷安装面 热变形抑制 柔性连接 铺层优化 大椭圆轨道 

分 类 号：V414.5[航空宇航科学与技术—航空宇航推进理论与工程]