Reconfigurable Three-Dimensional Thermal Dome

隐身 各向同性 穹顶(地质) 热的 计算机科学 超材料 热传导 热导率 机械工程 工程物理 材料科学 物理 工程类 地质学 光学 人工智能 古生物学 复合材料 气象学
作者
Yuhong Zhou,Fubao Yang,Liujun Xu,Pengfei Zhuang,Dong Wang,Xiaoping Ouyang,Ying Li,Jiping Huang
出处
期刊:Cornell University - arXiv
标识
DOI:10.48550/arxiv.2309.04745
摘要

Thermal metamaterial represents a groundbreaking approach to control heat conduction, and, as a crucial component, thermal invisibility is of utmost importance for heat management. Despite the flourishing development of thermal invisibility schemes, they still face two limitations in practical applications. First, objects are typically completely enclosed in traditional cloaks, making them difficult to use and unsuitable for objects with heat sources. Second, although some theoretical proposals have been put forth to change the thermal conductivity of materials to achieve dynamic invisibility, their designs are complex and rigid, making them unsuitable for large-scale use in real three-dimensional spaces. Here, we propose a concept of a thermal dome to achieve three-dimensional invisibility. Our scheme includes an open functional area, greatly enhancing its usability and applicability. It features a reconfigurable structure, constructed with simple isotropic natural materials, making it suitable for dynamic requirements. The performance of our reconfigurable thermal dome has been confirmed through simulations and experiments, consistent with the theory. The introduction of this concept can greatly advance the development of thermal invisibility technology from theory to engineering and provide inspiration for other physical domains, such as direct current electric fields and magnetic fields.
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