Examination of the Thermal Cloaking Effectiveness with Layered Engineering MaterialsSupported by the National Natural Science Foundation of China under Grant Nos 51576078 and 51376070

The concentrically layered thermal cloaks with isotropic materials could realize the equivalent thermal cloaking effect with Pendry's cloak, while the effectiveness is scarcely investigated quantitatively. Here we examine the cloaking effectiveness quantitatively by evaluating the standard devi...

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Bibliographic Details
Published in:Chinese physics letters 2016-04, Vol.33 (4)
Main Authors: Hu, Run, Hu, Jin-Yan, Wu, Rui-Kang, Xie, Bin, Yu, Xing-Jian, Luo, Xiao-Bing
Format: Article
Language:English
Online Access:Get full text
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Summary:The concentrically layered thermal cloaks with isotropic materials could realize the equivalent thermal cloaking effect with Pendry's cloak, while the effectiveness is scarcely investigated quantitatively. Here we examine the cloaking effectiveness quantitatively by evaluating the standard deviation of the temperature difference between the simulated plane with the layered thermal cloak and Pendry's thermal cloak. The design rules for the isotropic materials in terms of thermal conductivity and layer thickness are presented. The present method could quantitatively evaluate the cloaking effectiveness, and could open avenues for analyzing the cloaking effect, detecting the (anti-) cloaks, etc.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/33/4/044401