航天器工程2019，Vol.28Issue(4)：65-69,5.DOI:10.3969/j.issn.1673—8748.2019.04.011
嫦娥四号着陆器月夜热电联供系统设计与验证
Design and Verification of Heat and Electricity Cogeneration System in Moon Night of Chang’e—4 Lander
摘要
Abstract
Chang’e—4 lander needs to survive on the lunar surface for a long time and complete the temperature acquisition task at the lunar night stage.To achieve this goal,a high—efficiency heat and electricity cogeneration system is developed which is mainly composed of RTG (radioisotope thermoelectricity generator)and two—phase fluid loop.The waste heat of RTG is centralized and dispersed at its end.The two—phase fluid loop is installed with RTG through plate evaporator, which collects waste heat and transmits into the cabin.The function of the system is preliminarily validated by ground experiment,and the start—up and disconnection of the two—phase fluid are correct and the state is stable.The results of on—orbit flight show that more than 9 3% of heat from isotope heat sources is used to generate electricity,and 6 7% of the waste heat from electri—city generation is collected for controlling platform equipment temperature in cabin.关键词
嫦娥四号着陆器/热电联供系统/同位素温差电池/两相流体回路Key words
Chang’e—4 lander/heat and electricity cogeneration system/RTG(radioisotope ther—moelectricity generator)/two—phase fluid loop分类
航空航天引用本文复制引用
宋馨,陈向东,雷英俊,王录,柏江,李海飞,张丽丽,王珊..嫦娥四号着陆器月夜热电联供系统设计与验证[J].航天器工程,2019,28(4):65-69,5.基金项目
国家重大科技专项工程 （）
