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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-ofplane 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. 相似文献
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