摘要
为了解决某相控阵雷达天线阵面散热问题,文中对关键结构要素在不同技术参数下的阵面温度分布进行了热仿真计算,并结合理论计算进行了验证。通过对比分析,总结了散热器的散热面积、均热板的导热系数以及印制板的导热系数对天线阵面温度分布的影响规律,合理选取了关键结构要素的技术参数,保证了天线阵面的热设计方案满足总体要求。文中还提供了天线阵面热设计的计算模型,可为以后的相控阵雷达天线阵面热设计提供参考。
In order to solve the problem of heat dissipation for the antenna array of a phased array radar,the thermal simulation for the temperature distribution of the antenna array is carried out under different technical parameters of the key structural elements and the results of thermal simulation are confirmed by theoretical calculation. Rules that the radiating area of the radiator,thermal conductivity of the vapor chamber and thermal conductivity of the printed board affect the temperature distribution of the antenna array are summarized by comparison and analysis. After that,the technical parameters of the key structural elements are selected reasonably and the thermal design scheme for the antenna array satisfies the general requirement. The calculation model of the thermal design for the antenna array is provided,which can be used as guidance for the following thermal design of the antenna array of phased array radar.
作者
弋辉
YI Hui(The 20th Research Institute of CETC, Xi＇an 710068, China)
出处
《电子机械工程》
2018年第2期24-28,32,共6页
Electro-Mechanical Engineering
关键词
热设计
天线阵面
均热板
CFD分析
thermal design
antenna array
vapor chamber
CFD analysis
