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應中國科學院可再生能源重點實驗室和廣東省可再生能源重點實驗室的邀請，法國巴黎西岱大學Laurent Royon教授將于2024年12月13日（周五）訪問廣州能源所并舉行學術報告會。報告會安排如下：

時間：2024年12月13日 15:00-16:30

地點：生物質能源大樓911會議室

報告題目：New ways of looking at urban cooling

報告簡介：

In order to adapt to climate change, various urban cooling and water harvesting techniques are being implemented in big cities. Due to the combined effect of heat-waves and urban heat islands, cities are seeking and implementing heat mitigation strategies for public spaces. This communication first presents the various solutions deployed in Paris to adapt to climate change, through the installation of new urban pavements and the use of non-potable water networks. The second part is devoted to the radiative cooling and dew water collection technique. One promising approach is the use of passive radiative cooling materials, which can provide a cooling power of 60-150 W m^-2 during night-time applications. We propose surfaces that combine several characteristics to optimize the passive collection of dew water (without energy input and without external intervention), including: (i) effective radiative cooling capacities in the atmospheric window, (ii) controlled wetting properties, which favor the nucleation and growth of water droplets (or films), (iii) a geometry on a microscopic and/or macroscopic scale that facilitates the flow of droplets or films by gravity. We report the results of various investigations into the nature, properties and shape of dew water-collecting surfaces, which contribute to a significant improvement in efficiency.

報告人簡介：

Laurent Royon教授，法國巴黎西岱大學跨學科交叉能源研究所實驗室主任，長期從事蒸發(fā)冷卻、毛細凝聚、儲熱、新型相變材料等方面研究，獲得法國環(huán)境與能源署技術創(chuàng)新獎、Climatelaunchpad二等獎等獎勵，已發(fā)表論文70篇，并獲得多項科研成果。

參加人員：請新興固廢高值循環(huán)研究中心職工和研究生參加，同時歡迎其他感興趣的人員參加。?