不同工况下空间太阳电池翼的在轨热分析

上海交通大学学报（自然版） ›› 2012, Vol. 46 ›› Issue (05): 790-795.

不同工况下空间太阳电池翼的在轨热分析

黄后学，刘振宇，陈娅琪，吴慧英

（上海交通大学机械与动力工程学院，工程热物理研究所，上海 200240）

收稿日期:2011-06-01 出版日期:2012-05-28 发布日期:2012-05-28
基金资助:
国家杰出青年科学基金项目（50925624）,国家重点基础研究发展规划（973）项目（2012CB720404）, 上海市优秀学术带头人计划项目（11XD1403100）

Thermal Analysis of Solar Panels in Orbit under Different Operating Conditions

HUANG Hou-Xue, LIU Zhen-Yu, CHEN Ya-Qi, WU Hui-Ying

（Institute of Engineering Thermophysics, School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240, China）

Received:2011-06-01 Online:2012-05-28 Published:2012-05-28

摘要/Abstract

摘要： 以空间飞行器太阳电池翼在轨运行期间的温度变化规律为对象，采用有限元软件IDEAS TMG建立电池翼的热性能分析模型，针对电池翼满负荷（100%发电）和半负荷（50%发电）2种工况进行在轨热流和温度场计算.计算中，将电池翼基板处理为正交各向异性材料，采用等效热阻法推导基板在不同方向的等效导热系数.结果表明，当飞行器在轨绕地球飞行第5个周期后，太阳电池翼温度场呈现出周期性变化特征；与满负荷工况相比，半负荷工况下电池翼表面温度的变化范围较大；电池翼从阳光区进入阴影区时，其厚度方向的瞬态温差及其随时间的变化率达到最大值，且在半负荷工况下，电池翼沿厚度方向的最大瞬态温差及其随时间的变化率均大于满负荷工况.

关键词: , 太阳电池翼, 半负荷发电工况, 等效导热系数, 温度场

Abstract: To investigate temperature distributions of solar panels in orbit under two operating conditions (full and half load), a thermal model was established by FEM analysis software I-DEAS TMG. The substrate of solar panels, which is composed of several composite materials, could be treated as an orthotropic plate, and the equivalent thermal resistance method is employed to derive the equivalent thermal conductivity of solar panels. The simulation results indicate that the temperatures of solar panels change periodically after five circles around the earth, and the range of temperatures under half load operating condition is wider than that under full load operating condition. Additionally, both the temperature difference through the thickness of solar panels and its first time derivative are highest when solar panels enter the eclipse, and these two values of half load operating condition are higher compared with those of full load operating condition.

Key words: solar panels, half load operating conditions, equivalent thermal conductivity, temperature distributions

中图分类号:

TM 914

黄后学, 刘振宇, 陈娅琪, 吴慧英. 不同工况下空间太阳电池翼的在轨热分析[J]. 上海交通大学学报（自然版）, 2012, 46(05): 790-795.

HUANG Hou-Xue, LIU Zhen-Yu, CHEN Ya-Qi, WU Hui-Ying. Thermal Analysis of Solar Panels in Orbit under Different Operating Conditions[J]. Journal of Shanghai Jiaotong University, 2012, 46(05): 790-795.

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