空间大功率热排放系统设计  

Design of space high power thermal emission system

作　　者：卢佳鑫 孙贺涛 栾秀春 周成[2] 王戈[2] LU Jiaxin;SUN Hetao;LUAN Xiuchun;ZHOU Cheng;WANG Ge(Fundamental Science on Nuclear Safety and Simulation Technology Laboratory,Harbin Engineering University,Harbin 150001,China;Beijing Institute of Control Engineering,Beijing 100190,China)

机构地区：[1]哈尔滨工程大学核安全与仿真技术国防重点学科实验室,哈尔滨150001 [2]北京控制工程研究所,北京100190

出　　处：《空间电子技术》2021年第2期96-103,共8页Space Electronic Technology

基　　金：100KWe级空间大功率热排放系统设计及样机研制(编号:KY11500170057)。

摘　　要：根据空间大功率热排放系统的要求,参考美国航天局提出的双翼热管式辐射散热器,提出了在结构上改进的热管式辐射散热器。总体设计为四翼对称式辐射散热器,四翼均为相同独立工作。散热器由主回路管道、泡沫碳换热器、热管和散热板四部分组成,主回路管道选取钠钾合金为工质,换热管选取水为流体工质。系统废热通过钠钾合金冷却回路传递到泡沫碳换热器,泡沫碳换热器再传递给水热管辐射板,通过辐射换热释放到太空。对热管散热器进行了结构设计以及初步热设计,为大功率深空探测器热排放系统提供了最优的设计结构及参数。According to the requirement of space megawatt-level high power heat emission system,a new type of heat pipe radiating radiator is put forward by referring to the two-wing heat pipe radiating radiator proposed by NASA.The radiator is composed of four parts:main loop pipe,foam carbon heat exchanger,heat pipe and heat dissipation plate.The main loop selects sodium potassium alloy as the working medium,and the heat pipe selects water as the working medium.The difference with the American design lies in that this design is a symmetrical radiating radiator with four wings.All four wings work independently,and wast heat of the system is transferred to the carbon foam heat exchanger through the sodium-potassium alloy cooling loop.The carbon foam heat exchanger transfers the radiant plate of the water supply pipe,and heat of the system is transferred to the carbon foam heat exchanger through the sodium-potassium alloy cooling loop.The carbon foam heat exchanger transfers the radiant plate of the water supply pipe,and releases heat into space through the radiation exchange.The structural design and preliminary thermal design of heat pipe radiator are carried out,which provides the optimal design structure and parameters for the heat discharge system of high-power deep space detector.

关 键 词：热排放系统 热管式散热器 钠钾合金 

分 类 号：V444.3[航空宇航科学与技术—飞行器设计]