Example of metal-multi-dielectric-metal cooling metamaterial use in engineering thermal radiation.

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2019
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Abstract
This paper introduces radiative cooling metamaterial use in engineering thermal radiation based on metal-multi-dielectric-metal (MMDM) structure. The measured average absorption of the MMDM from 15° to 75° in the "atmosphere window" is 0.81, and the absorption range of the structure hardly changes with the incident angles. Without considering solar radiation, at the thermal conductivity of 6.9  W·m·K, the surface temperature is 10.8°C lower than the ambient temperature (300 K), and the cooling power is 102  W·m. Importantly, when the surface temperature is higher than the ambient temperature, this radiative cooler can lower the surface temperature in engineering thermal radiation with a higher thermal conductivity at the same cooling power.
Reference Key
wang2019exampleapplied Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wang, Dong;Zhu, Yeqing;Fang, Cheng;He, Ping;Ye, Yonghong;
Journal Applied optics
Year 2019
DOI
10.1364/AO.58.007035
URL
Keywords
Electrical conductivity nanoparticles heat transfer rheology chemical engineering nanotechnology thermal conductivity carbon nanotubes density multi-walled carbon nanotubes viscosity nanofluidics solar glycol

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