| SPECIAL TOPIC—Heat conduction and its related interdisciplinary areas |
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Thermal management by manipulating electromagnetic parameters |
| Yun Wang(王云)1,2, Di-Fei Liang(梁迪飞)1,2,†, Tian-Cheng Han(韩天成)1,2, and Long-Jiang Deng(邓龙江)1,2 |
1 National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, Chengdu 611731, China;
2 Key Laboratory of Multi-spectral Absorbing Materials and Structures of Ministry of Education, University of Electronic Science and Technology of China, Chengdu 611731, China |
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Abstract Electromagnetic absorbing materials may convert electromagnetic energy into heat energy and dissipate it. However, in a high-power electromagnetic radiation environment, the temperature of the absorbing material rises significantly and even burns. It becomes critical to ensure electromagnetic absorption performance while minimizing temperature rise. Here, we systematically study the coupling mechanism between the electromagnetic field and the temperature field when the absorbing material is irradiated by electromagnetic waves. We find out the influence of the constitutive parameters of the absorbing materials (including uniform and non-uniform) on the temperature distribution. Finally, through a smart design, we achieve better absorption and lower temperature simultaneously. The accuracy of the model is affirmed as simulation results aligned with theoretical analysis. This work provides a new avenue to control the temperature distribution of absorbing materials.
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Received: 08 November 2023
Revised: 04 January 2024
Accepted manuscript online: 18 March 2024
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PACS:
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84.60.Rb
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(Thermoelectric, electrogasdynamic and other direct energy conversion)
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84.60.-h
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(Direct energy conversion and storage)
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42.25.Bs
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(Wave propagation, transmission and absorption)
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91.60.Ki
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(Thermal properties)
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Corresponding Authors:
Di-Fei Liang
E-mail: dfliang@uestc.edu.cn
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Cite this article:
Yun Wang(王云), Di-Fei Liang(梁迪飞), Tian-Cheng Han(韩天成), and Long-Jiang Deng(邓龙江) Thermal management by manipulating electromagnetic parameters 2024 Chin. Phys. B 33 058403
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