摘要
为解决某有源相控阵中T/R组件散热及组件之间温度差异问题,文中针对相控阵阵面布局特点,采取冷板并联、流量均分的热设计方案。运用定性分析与数值计算相结合的方法确定阵面总流量及流量分配,根据流量分配对最长冷板进行了热仿真分析,分析结果表明流量分配满足T/R组件散热要求。对于影响T/R组件之间温度差异的流量分配问题,通过定性分析各冷板通路流阻组成,介绍了如何利用等流阻匹配实现流量均分。最后通过全阵T/R组件温度测试验证了热设计方案满足T/R组件散热及组件之间温度差异要求。
In order to solve the problems of T/R module heat dissipation and temperature difference between T/R modules of an active phased array,this paper adopts the thermal design scheme of parallel connection of cold plates and equal distribution of flow according to the layout characteristics of the phased array.Qualitative analysis and numerical calculation are combined to determine the total flow and flow distribution of the array.A thermal simulation analysis is performed for the longest cold plate according to the flow distribution.The analysis results show that the flow distribution meets the heat dissipation requirements of T/R modules.For the flow distribution problem that affects the temperature difference between T/R modules,the realization of flow equalization by equal flow resistance matching is introduced though the qualitative analysis of flow resistance composition of each cold plate road.Finally,the temperature test of the T/R modules of the entire array proves that the thermal design scheme meets the requirements of T/R module heat dissipation and mutual temperature difference.
作者
司俊珊
刘兵
冯志新
SI Junshan;LIU Bing;FENG Zhixin(The 29th Research Institute of CETC,Chengdu 610036,China)
出处
《电子机械工程》
2021年第3期35-38,共4页
Electro-Mechanical Engineering
关键词
有源相控阵
热设计
流量分配
温度差异
active phased array
thermal design
flow distribution
temperature difference
