摘要
航空领域的热管理至关重要,良好的热管理可以提高设备能效,提升系统的稳定性和可靠性。本文阐述了航空领域进行热管理应用的需求,分析了利用相变材料辅助热管理的优势,指明了当前航空领域热管理所需相变材料热物理性能面临的挑战。本文梳理了通过多种方法对相变材料热性能进行优化的方案,重点讨论了分子设计、共晶混合、分散添加剂和封装技术等用于制备复合相变材料的策略及其性能提升效果。同时,介绍了相变材料常用的换热性能测试和仿真方法。现有研究存在的主要问题是相变材料的分子设计和部分共晶混合缺乏系统化理论或模型指导。未来,结合机器学习、量子化学计算和分子动力学模拟等方法有望得到更理想的设计方法。通过综述相变材料在航空热管理领域应用的研究进展,期望为相关材料的设计、制备和性能验证提供指导和启示。
Thermal management in aviation is critical.Good thermal management can improve equipment energy efficiency and enhance system stability and reliability.The need for thermal management applications in aviation is described,the advantages of using phase change materials to assist thermal management are analyzed,and the current challenges to the thermophysical properties of phase change materials required for thermal management in aviation are indicated.Optimization schemes for the thermal properties of phase change materials by various methods are reviewed,focusing on the strategies of molecular design,eutectic mixing,dispersed additives,and encapsulation techniques used for the preparation of composite phase change materials,as well as their performance enhancement effects.Commonly used testing and simulation methods for the heat transfer performance of phase change materials are introduced.The main problem with existing research is the lack of systematic theory or model guidance for molecular design and partial eutectic mixing of phase change materials.In the future,the combination of machine learning,quantum chemical calculations and molecular dynamics simulations is expected to lead to a more optimal design method.By summarizing the research progress of phase change materials for thermal management applications in aviation,it is expected to provide guidance and insights for the design,preparation and performance verification of related materials.
作者
刘士旸
梁导伦
周禹男
许王子
黄一帆
沈德魁
Liu Shiyang;Liang Daolun;Zhou Yunan;Xu Wangzi;Huang Yifan;Shen Dekui(Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education,Southeast University,Nanjing 211100,China;Key Laboratory of Comprehensive Aviation Science and Technology for Aviation Electromechanical Systems,AVIC Jincheng Nanjing Electromechanical Hydraulic Engineering Research Center,Nanjing 211106,China)
出处
《航空科学技术》
2025年第6期1-12,共12页
Aeronautical Science & Technology
基金
航空科学基金(20230028069001)
中央高校基本科研业务费项目(2242025RCB0003)。
关键词
相变材料
航空热管理
分类
储热性能优化
换热性能测试
phase change material
thermal management in aviation
categorization
optimization of thermal storage performance
heat transfer performance test
