辐射冷却的基本概念、设计规则和潜力。

Zhuning Wang, Sijie Pian, Yulei Zhang, Yaoguang Ma
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引用次数: 0

摘要

由于全球变暖和极端气候的不利影响,环境问题日益严重,与制冷相关的能源消耗和温室气体排放达到了前所未有的水平。辐射冷却作为一种新兴的可再生冷却技术,已被定位为应对全球变暖的关键战略。本文综述了辐射冷却源的理论模型和复杂的实际环境。我们首先研究了环境因素与冷却表面之间的热力学相互作用,然后研究了创新的调制技术,如不对称/非互反辐射传热机制。此外,我们总结了辐射冷却材料在器件级的结构设计和模拟方法的最新进展。然后,我们深入研究了辐射冷却材料在各种场景中的潜在应用,包括节能建筑、个人热管理、光伏冷却和具有季节性适应性的动态PDRC材料。最后,我们对辐射冷却技术的优势和当前面临的挑战进行了全面的概述,以激励辐射冷却技术的进一步研究和应用开发,重点是为实现节能目标和促进可持续社会做出贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fundamental concepts, design rules and potentials in radiative cooling.

Amidst the escalating environmental concerns driven by global warming and the detrimental impacts of extreme climates, energy consumption and greenhouse gas emissions associated with refrigeration have reached unprecedented levels. Radiative cooling, as an emerging renewable cooling technology, has been positioned as a pivotal strategy in the fight against global warming. This review examines the theoretical model of radiative cooling emitters and complex practical environment. We first investigate the thermodynamic interactions between environmental factors and the cooling surface, followed by an examination of innovative modulation techniques such as asymmetric/non-reciprocal radiative heat transfer mechanisms. Additionally, we summarize the latest advancements in structural design and simulation methodologies for radiative cooling materials at the device level. We then delve into potential applications of radiative cooling materials in various scenarios including energy-efficient construction, personal thermal management, photovoltaic cooling, and dynamic PDRC materials with seasonal adaptability. In conclusion, we provide a comprehensive overview of this technology's strengths and current challenges to inspire further research and application development in radiative cooling technology with a focus on contributing towards energy conservation objectives and promoting a sustainable society.

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