航天相机大热耗器件散热片随机振动响应分析

Random Vibration Response Analysis of the Heat Sink of an Aerospace Camera

大热耗器件散热片是航天相机热控单元的关键部件,有必要对其进行随机振动响应分析,以验证结构设计方案的可靠性。本文利用有限元方法分析了大热耗器件散热片在随机振动环境下的响应特性,分析结果表明:在随机振动环境作用下,散热片加速度及位移响应在安全裕度内,结构设计方案的可靠性满足使用要求。

As a important component of space camera,the random vibration analysis of heat sink should be completed to verify the reliability of structure design.This paper analyzes the characteristics of random vibration response of heat sink by means of finite element method.The analysis result indicates that the acceleration and displacement response of heat sink are in the safety range under random vibration environment,so the reliability of structure design can meet using demand.