Converting the patterns of local heat flux via thermal illusion device
Source abstract
Abstract
Since the thermal conduction equation has form invariance under coordinate transformation, one can design thermal metamaterials with novel functions by tailoring materials’ thermal conductivities. In this work, we establish a different transformation theory, and propose a layered device with anisotropic thermal conductivities. The device is able to convert heat flux from parallel patterns into non-parallel patterns and vice versa. In the mean time, the heat flux pattern outside the device keeps undisturbed as if this device is absent. We perform finite-element simulations to confirm the converting behavior. This work paves a different way to manipulate the flow of heat at will.
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Research context
OpenAlex topics: Metamaterials and Metasurfaces Applications · Thermal Radiation and Cooling Technologies · Advanced Materials and Mechanics
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Affiliations
Fudan University 1 Department of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), , Shanghai, 200433, China
Nanjing University 2 Collaborative Innovation Center of Advanced Microstructure, , Nanjing, 210093, China
Funding
Chinese Nation Key Basic Research Special Fund · National Fund for Talent Training in Basic Science · National Natural Science Foundation of China · Fok Ying Tong Education Foundation
References (24)
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