Chin. Phys. Lett.  2021, Vol. 38 Issue (1): 010502    DOI: 10.1088/0256-307X/38/1/010502
GENERAL |
Adaptive Radiative Thermal Camouflage via Synchronous Heat Conduction
Jiawei Zhang1, Shiyao Huang2, and Run Hu2*
1Well-Tech Research Institute of China Oilfield Service Limited, Beijing 101149, China
2State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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Jiawei Zhang, Shiyao Huang, and Run Hu 2021 Chin. Phys. Lett. 38 010502
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Abstract The advent of transformation thermotics has seen a boom in development of thermal metamaterials with a variety of thermal functionalities, including phenomena such as thermal cloaking and camouflage. However, most thermal metamaterials-based camouflage devices only tune in-plane heat conduction, which may fail to conceal a target from out-of-plane detection. We propose an adaptive radiative thermal camouflage via tuning out-of-plane transient heat conduction, and it is validated by both simulation and experiment. The physics underlying the performance of our adaptive thermal camouflage is based on real-time synchronous heat conduction through the camouflage device and the background plate, respectively. The proposed concept and device represent a promising new approach to fabrication of conductive thermal metamaterials, providing a feasible and effective way to achieve adaptive thermal camouflage.
Received: 25 September 2020      Published: 06 January 2021
Fund: Supported by the National Natural Science Foundation of China (Grant No. 52076087).
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http://cpl.iphy.ac.cn/10.1088/0256-307X/38/1/010502       OR      http://cpl.iphy.ac.cn/Y2021/V38/I1/010502
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