Analysis of elliptical thermal cloak based on entropy generation and entransy dissipation approach

doi:10.1088/1674-1056/28/8/087804

中国物理B ›› 2019, Vol. 28 ›› Issue (8): 87804-087804.doi: 10.1088/1674-1056/28/8/087804

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Analysis of elliptical thermal cloak based on entropy generation and entransy dissipation approach

Meng Wang(王梦), Shiyao Huang(黄诗瑶), Run Hu(胡润), Xiaobing Luo(罗小兵)

1 China-EU Institute for Clean and Renewable Energy, Huazhong University of Science and Technology, Wuhan 430074, China;
2 School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

收稿日期:2019-05-10 修回日期:2019-06-11 出版日期:2019-08-05 发布日期:2019-08-05
通讯作者: Run Hu E-mail:hurun@hust.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 51606074 and 51625601) and the Fund from the Ministry of Science and Technology of China (Grant No. 2017YFE0100600).

Analysis of elliptical thermal cloak based on entropy generation and entransy dissipation approach

Meng Wang(王梦)¹, Shiyao Huang(黄诗瑶)², Run Hu(胡润)², Xiaobing Luo(罗小兵)^1,2

1 China-EU Institute for Clean and Renewable Energy, Huazhong University of Science and Technology, Wuhan 430074, China;
2 School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Received:2019-05-10 Revised:2019-06-11 Online:2019-08-05 Published:2019-08-05
Contact: Run Hu E-mail:hurun@hust.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 51606074 and 51625601) and the Fund from the Ministry of Science and Technology of China (Grant No. 2017YFE0100600).

摘要/Abstract

摘要： In this work, we designed the elliptical thermal cloak based on the transformation thermotics. The local entropy generation rate distribution and entransy dissipation rate distribution were obtained, and the total entropy generation and entransy dissipation of different types of elliptical cloaks were evaluated. We used entropy generation approach and entransy dissipation approach to evaluate the performance of the thermal cloak, and heat dissipation analysis was carried out for models with different parameters. Finally, the optimized elliptical thermal cloak with minimum entropy generation and minimum entransy dissipation is found, and some suggestions on optimizing the structure of elliptical thermal cloak were given.

关键词: metamaterials, thermal conductivity, entropy

Abstract: In this work, we designed the elliptical thermal cloak based on the transformation thermotics. The local entropy generation rate distribution and entransy dissipation rate distribution were obtained, and the total entropy generation and entransy dissipation of different types of elliptical cloaks were evaluated. We used entropy generation approach and entransy dissipation approach to evaluate the performance of the thermal cloak, and heat dissipation analysis was carried out for models with different parameters. Finally, the optimized elliptical thermal cloak with minimum entropy generation and minimum entransy dissipation is found, and some suggestions on optimizing the structure of elliptical thermal cloak were given.

Key words: metamaterials, thermal conductivity, entropy

中图分类号: (Multilayers; superlattices; photonic structures; metamaterials)

78.67.Pt

51.20.+d (Viscosity, diffusion, and thermal conductivity) 65.40.G- (Other thermodynamical quantities)

王梦, 黄诗瑶, 胡润, 罗小兵. Analysis of elliptical thermal cloak based on entropy generation and entransy dissipation approach[J]. 中国物理B, 2019, 28(8): 87804-087804.

Meng Wang(王梦), Shiyao Huang(黄诗瑶), Run Hu(胡润), Xiaobing Luo(罗小兵). Analysis of elliptical thermal cloak based on entropy generation and entransy dissipation approach[J]. Chin. Phys. B, 2019, 28(8): 87804-087804.

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Analysis of elliptical thermal cloak based on entropy generation and entransy dissipation approach

Analysis of elliptical thermal cloak based on entropy generation and entransy dissipation approach

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