基于PDMS/Al平面制冷器的辐射制冷光热管理研究  

Research on Solar and Thermal Management of Radiation Cooling Based on PDMS/Al Plane Cooler

作　　者：明廷臻[1] 丁鑫源 史传杰 吴永佳 MING Ting-zhen;DING Xin-yuan;SHI Chuan-jie;WU Yong-jia(School of Civil Engineering and Architecture,Wuhan University of Technolohy,Wuhan 430070,China)

机构地区：[1]武汉理工大学土木工程与建筑学院,武汉430070

出　　处：《武汉理工大学学报》2024年第5期77-82,89,共7页Journal of Wuhan University of Technology

基　　金：国家自然科学基金青年项目(52208124).

摘　　要：通过设计合理的热管理措施,使聚二甲基硅氧烷(PDMS)/铝平面制冷器的效率提高了近35%。对比了定向遮阳、移动遮阳和定向(向北)辐射对抑制太阳辐射增益的抑制效果,使用低成本辐射制冷材料实现日间辐射制冷。结果表明,在晴朗的天气下实现了3.9~13.1℃的全天降温。最大制冷功率为76.8 W/m^(2)。这种光热管理措施的结合会影响辐射制冷在建筑节能领域的应用。The efficiency of the polydimethylsiloxane(PDMS)/aluminum planar cooler was improved by nearly 35%through well-designed thermal management measures.Daytime radiative cooling was realized by using low-cost radiative cooling materials,through directional shading.The results show that an all-day cooling range of 3.9~13.1℃ is achieved under the clear weather.The maximum cooling power is 76.8W/m^(2).This combination of thermal and solar management measures may affect the application of radiative cooling in the field of building energy efficiency.

关 键 词：辐射制冷技术 聚二甲基硅氧烷 光管理 热管理 

分 类 号：TB34[一般工业技术—材料科学与工程] TB64