Journal ArticleDOI
A review of clear sky radiative cooling developments and applications in renewable power systems and passive building cooling
TLDR
In this paper, a detailed literature survey of published studies on selective emitter structures for daytime and nighttime cooling purposes is presented and a detailed energy analysis is performed identifying key performance indicators and evaluating the cooling performance under various conditions.About:
This article is published in Solar Energy Materials and Solar Cells.The article was published on 2018-05-01. It has received 240 citations till now. The article focuses on the topics: Radiative cooling & Passive cooling.read more
Citations
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Journal ArticleDOI
A Solution‐Processed Inorganic Emitter with High Spectral Selectivity for Efficient Subambient Radiative Cooling in Hot Humid Climates
Baoling Huang,Zhihao Shi +1 more
TL;DR: In this paper , an all-inorganic narrowband emitter comprising a solution-derived SiOx Ny layer sandwiched between a reflective substrate and a self-assembly monolayer of SiO2 microspheres is reported.
Journal ArticleDOI
A novel strategy for a building-integrated diurnal photovoltaic and all-day radiative cooling system
TL;DR: In this article, the authors proposed a novel strategy for building-integrated PV and radiative cooling (RC) system, namely BIPV−RC system, by covering the sunny side of a rooftop with PV modules and its free side with all-day RC modules to integrate solar energy collection and RC utilization into a single building unit.
Journal ArticleDOI
Recent Progress in Daytime Radiative Cooling: Advanced Material Designs and Applications
TL;DR: In this paper , the development of advanced daytime radiative cooling designs is summarized, recent progress is highlighted, and potential correlated applications, such as building cooling, photovoltaic cooling, and electricity generation, are introduced.
Journal ArticleDOI
A tandem radiative/evaporative cooler for weather-insensitive and high-performance daytime passive cooling
Jinlei Li,Xueyang Wang,Dong Liang,Ning Xu,Bin Zhu,Wei Liu,Pengcheng Yao,Yi Jiang,Xinzhe Min,Zhengzong Huang,Shi-Sheng Zhu,Shanhui Fan,Jia Zhu +12 more
TL;DR: In this paper , a tandem passive cooler composed of bilayer polymer that enables dual-functional passive cooling of radiation and evaporation is proposed, where the high reflectivity to sunlight and mid-infrared emissivity of this polymer film allows excellent radiative cooling performance and its good atmospheric water harvesting property of underlayer ensures self-supply of water and high evaporative cooling power.
Journal ArticleDOI
Bulk material based selective infrared emitter for sub-ambient daytime radiative cooling
TL;DR: In this article, a 1mm-thick lithium fluoride crystal coated with silver backing was used as a selective infrared emitter for sub-ambient daytime radiative cooling, which achieved an ultra-low stagnation temperature up to 57°C below the ambient.
References
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Thermal radiation heat transfer
Robert Siegel,John R. Howell +1 more
TL;DR: In this article, a comprehensive discussion of heat transfer by thermal radiation is presented, including the radiative behavior of materials, radiation between surfaces, and gas radiation, and the use of the Monte Carlo technique in solving radiant exchange problems and problems of radiative transfer through absorbing-emitting media.
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Thermal Radiation Heat Transfer
Robert Siegel,John R. Howell +1 more
TL;DR: In this paper, a comprehensive discussion of heat transfer by thermal radiation is presented, including the radiative behavior of materials, radiation between surfaces, and gas radiation, and the use of the Monte Carlo technique in solving radiant exchange problems and problems of radiative transfer through absorbing-emitting media.
Journal ArticleDOI
Passive radiative cooling below ambient air temperature under direct sunlight
TL;DR: An integrated photonic solar reflector and thermal emitter consisting of seven layers of HfO2 and SiO2 that reflects 97 per cent of incident sunlight while emitting strongly and selectively in the atmospheric transparency window demonstrates that the cold darkness of the Universe can be used as a renewable thermodynamic resource, even during the hottest hours of the day.
Journal ArticleDOI
Taming the blackbody with infrared metamaterials as selective thermal emitters.
Xianliang Liu,Talmage Tyler,Tatiana Starr,Anthony F. Starr,Nan Marie Jokerst,Willie J. Padilla +5 more
TL;DR: This Letter demonstrates, for the first time, selective thermal emitters based on metamaterial perfect absorbers and finds that emissivity and absorptivity agree very well as predicted by Kirchhoff's law of thermal radiation.
Journal ArticleDOI
Scalable-manufactured randomized glass-polymer hybrid metamaterial for daytime radiative cooling
Yao Zhai,Yaoguang Ma,Sabrina N. David,Dongliang Zhao,Runnan Lou,Gang Tan,Ronggui Yang,Xiaobo Yin +7 more
TL;DR: A metamaterial composed of a polymer layer embedded with microspheres, backed with a thin layer of silver, which shows a noontime radiative cooling power of 93 watts per square meter under direct sunshine is constructed.