Performance of the Multilayer Film for Infrared Stealth based on VO_(2) Thermochromism  

作　　者：LI Yaru WANG Fuqiang ZHANG Aoyu FU Zhichang SU Ronghua GAO Tengfei WANG Zhen GUO Jicheng 

机构地区：[1]ORDOS Institute of Technology,Ordos,017000,China [2]School of Energy Science and Engineering,Harbin Institute of Technology,Harbin,150001,China [3]School of New Energy,Harbin Institute of Technology at Weihai,Weihai,264209,China [4]Defense Engineering Institute,AMS,PLA,Beijing,100850,China

出　　处：《Journal of Thermal Science》2024年第4期1312-1324,共13页热科学学报（英文版）

基　　金：supported by National Natural Science Foundation of China(52306078,52211530089);Natural Science Foundation of Shandong Province(ZR2023QE141);The Royal Society(IECNSFC211210);China Scholarship Council(202206120141);School level research project of ORDOS Institute of Technology(KYYB2023019)。

摘　　要：With the development of detection and identification technology,infrared stealth is of great value to realize anti-reconnaissance detection of military targets.At present,infrared stealth materials generally have deficiency,such as complex structure,inconvenient radiation regulation and cumbersome preparation steps,which greatly limit the practical application of infrared stealth materials.In view of the above deficiency of infrared stealth materials,we proposed a kind of multilayer film for infrared stealth using VO2thermochromism based on the temperature response mechanism of tuna to adjust its color,and through the intelligent reversible radiation regulation mechanism to meet the infrared stealth requirements of tanks in different actual scenes.The results show that when the temperature increases from 300 K to 373 K,the peak emissivity of the film decreases from 94%to 20%in the 8-14μm band after structural optimization,which can realize the infrared stealth of the high temperature target in the 8-14μm band.The average emissivity of the multilayer film for infrared stealth at3-5μm and 8-14μm band can be reduced to 34%and 27%at 373 K,and the peak emissivity at 5-8μm band can reach 65%,realizing dual-band infrared stealth in the 3-5μm and 8-14μm bands and heat dissipation in the 5-8μm band.The multilayer film for infrared stealth based on VO2thermochromism designed by the authors can meet the characteristics of simple film structure,convenient radiation regulation and simple preparation.

关 键 词：vanadium dioxide multilayer film infrared stealth thermal management 

分 类 号：V218[航空宇航科学与技术—航空宇航推进理论与工程]