摘要
随着未来临近空间高超声速飞行器更高速度、更长航时服役新需求的提出,飞行器多尺度耦合热效应日趋显著,并成为影响飞行热安全的重要因素.针对飞行器高温表面、高温结构、舱内仪器/设备等涉及的热现象,综述了多尺度耦合热效应预测方法的研究进展.结合未来飞行器精细化、低冗余设计需求,进一步提出了后续研究的重点方向.飞行器耦合热效应研究需从关注“宏观量”拓展到关注影响内禀特性的微细观“隐变量”,跨尺度关联应注重“降尺度”与“升尺度”的协同,同时还需进一步发展弱化人工经验、消除人为边界的数理模型与自适应方法.相关研究将为飞行器热行为的精细预测及高效防护提供参考.
With the demand for higher speeds and longer endurance of future near-space hypersonic vehicles,multiscale coupling thermal effects are becoming increasingly important,which can significantly affect hypersonic flight safety.Given the thermal phenomena involved in high-temperature surfaces and structures and cabin instruments/components of hypersonic vehicles,research progress on the prediction methods of multiscale coupling thermal effects was reviewed in this paper.Considering the design requirements of refinement and low redundancy of future vehicles,focused follow-up research was further proposed.The coupling thermal effects need to be extended from the presentative“macroscopic variables”to the intrinsic“hidden variables”affecting macroscopic performance.Cross-scale correlation must realize the coordination of“downscaling”and“upscaling”.Meanwhile,basic mathematical models and adaptive methods must be developed to weaken or eliminate artificial boundaries and human experience.This work would provide a reference for the precise prediction and effective protection of aircraft thermal behaviors.
作者
杜雁霞
杨肖峰
肖光明
刘磊
魏东
桂业伟
DU YanXia;YANG XiaoFeng;XIAO GuangMing;LIU Lei;WEI Dong;GUI YeWei(State Key Laboratory of Aerodynamics,China Aerodynamics Research and Development Center,Mianyang 621000,China)
出处
《中国科学：技术科学》
EI
CSCD
北大核心
2024年第7期1288-1304,共17页
Scientia Sinica(Technologica)
基金
国家重点研发计划(编号:2019YFA0405202)
国家数值风洞工程
国家自然科学基金(批准号:12072361)资助项目。
关键词
高超声速
多尺度
耦合热行为
综合热效应
热安全
hypersonic
multiscale
coupling thermal behaviors
combined thermal effects
thermal safety
