新型热管冷板传热性能的试验研究

为了有效解决阵列行波管的多热源、高热流散热问题．研制了基于其安装空间尺寸的热管冷板散热装置。热管由8根竖直圆管、冷凝段连通管和蒸发段连通孔组成，其蒸发段嵌入冷板内部，冷凝段伸入冷却水套。试验研究时，在冷板的两个大表面(正反面)各贴上8个电加热片模拟阵列行波管生热，冷板导出的热量由冷却水带走。试验结果表明，所提出的热管冷板传热性能和壁面均温性能良好，满足设计要求。

Experimental Study of Heat Transfer Performance on Newly-Designed Heat Pipe Cold Plate Equipment

To deal with multi-heat-source and high-heat-flux heat transfer problem of array antennas, a heat pipe cold plate equipment is developed. Acetone-aluminum heat pipe construction consists of eight vertical pipes with their upper condensation section and lower evaporation section connected with each other. Evaporation section is embedded in the aluminum-made cold plate and condensation section is cooled by cooling water in water-jacket. Eight electronic-heating plates are evenly arranged on the two bigger vertical surfaces to simulate heat generation of array antennas and the heat is eventually transferred to cool water and then to outer environment. Experimental study shows that the heat pipe cold plate equipment possesses excellent heat transfer performance and temperature evenness, and satisfies design requirements.