中国科学技术大学学报 ›› 2019, Vol. 49 ›› Issue (6): 487-493.DOI: 10.3969/j.issn.0253-2778.2019.06.008

• 原创论文 • 上一篇    下一篇

CFRP板胶接结构传热性能的数值模拟

宋晓倩   

  1. 1.中国科学技术大学热科学和能源工程系,安徽合肥 230027;2.上海跃盛信息技术有限公司,上海 200240
  • 收稿日期:2018-11-28 修回日期:2019-02-20 出版日期:2019-06-30 发布日期:2019-06-30
  • 通讯作者: 胡芃
  • 作者简介:宋晓倩,女,1993年生,硕士生. 研究方向:传热. E-mail: sasong@mail.ustc.edu.cn

Numerical simulation of heat transfer performance of CFRP plate adhesive structure

SONG Xiaoqian   

  1. 1.Department of Thermal Science and Energy Engineering,University of Science and Technology of China, Hefei 230027, China; 2.Shanghai YS Information Technology Co.,Ltd.,Shanghai200240, China
  • Received:2018-11-28 Revised:2019-02-20 Online:2019-06-30 Published:2019-06-30

摘要: 应用ANSYS有限元分析研究了碳纤维增强复合材料(CFRP)格栅反射器中对接和插接典型胶接结构形式的稳态传热特性,并对环氧树脂添加氧化铝、氮化硅、石墨烯等高导热材料对传热的影响进行了对比分析.结果表明,随着环氧树脂胶热导率的提高,胶接界面热阻减小,胶接部位温差减小,温度分布均匀性更高.此工作为有效预测固面反射器在轨运行状态的温度分布和热变形大小提供了研究基础.

关键词: 碳纤维增强复合材料(CFRP)格栅反射器, 对接, 插接, 界面热阻

Abstract: The steady-state heat transfer characteristics of typical bonding structures such as butting and splicing in carbon fiber reinforced composite (CFRP) grille reflector were analyzed by ANSYS finite element method. The effects of epoxy resin with high thermal conductivity materials such as alumina, silicon nitride and graphene on heat transfer were compared and analyzed. The results show that with the increase in thermal conductivity of epoxy resin adhesives, the thermal resistance of the bonding interface decreases, the temperature difference of bonding site decreases, and the temperature distribution uniformity is higher, thus providing a research basis for effectively predicting the temperature distribution and thermal deformation of solid reflectors in orbit.

Key words: carbon fiber reinforced composite(CFRP) grille reflector, butt, splice, interface thermal resistance