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
Expanding the applicability of daytime radiative cooling: Technological developments and limitations
TL;DR: In this paper, the authors present a review of the current technological arena for day-time radiative cooling and discuss the performance and feasibility in terms of performance, materials and designs.
Journal ArticleDOI
Experimental study of the coupled wall system of pipe-encapsulated PCM wall and nocturnal sky radiator for self-activated heat removal
TL;DR: In this paper, a coupled pipe-encapsulated PCM wall system with a nocturnal sky radiator is proposed to reduce indoor heat gain through the envelope and improve the utilization efficiency of PCM.
Journal ArticleDOI
Spectrally selective filter design for passive radiative cooling
TL;DR: In this article, a design methodology for daytime passive radiative cooling with thin film filters is introduced, which accounts for the spectral tailoring at the visible and infrared spectrum, and the results show that higher cooling powers are possible compared to the previously reported thin-film structures, which were designed from a purely spectral perspective.
Journal ArticleDOI
For the mitigation of urban heat island and urban noise island: Two simultaneous sides of urban discomfort
Journal ArticleDOI
Approach to fabricating high-performance cooler with near-ideal emissive spectrum for above-ambient air temperature radiative cooling
Mengyu Gao,Mengyu Gao,Xuefei Han,Fei Chen,Wen-Jie Zhou,Pian Liu,Yao Shan,Yao Chen,Jing Li,Rong-Jun Zhang,Songyou Wang,Qinghong Zhang,Yu-Xiang Zheng,Liang-Yao Chen +13 more
TL;DR: In this paper, a photonic crystal-structured UV-curable adhesive (PCSUVA) was used to fabricate a polyethylene terephthalate (PET) substrate using UV nanoimprint lithography.
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.