建筑材料日间曝晒和夜间辐射致冷热效果的研究  

Investigation on Thermal Effect of Daytime Insolation and Night Radiative Cooling of Building Materials

作　　者：马一平[1] 赵彪[1] 李远珊[1] 

机构地区：[1]同济大学先进土木工程材料教育部重点实验室,上海200092

出　　处：《材料导报》2009年第4期58-63,共6页Materials Reports

基　　金：863计划(2006AA05Z208);国家科技支撑计划(2006BAJ02B02-03)

摘　　要：研究了常见建筑材料和一些其它材料日间曝晒和夜间辐射致冷的热效果。结果表明,材料日间曝晒效果主要受其太阳吸收率的影响,与发射率无关;材料夜间辐射致冷效果则与发射率相关,而与太阳吸收率无关;不同地区建筑对建筑材料热物性有不同的要求。The thermal effects of daytime insolation and radiative cooling of ordinary building materials and several other materials are investigated. The results indicate that the thermal effects of materials are primarily influenced by the solar absorptance but have no correlation with the emissivity during daytime, and are closely related to the emissivity during night radiative cooling. Buildings in different zones require different thermal properties of building materials.

关 键 词：建筑材料 热效果 太阳吸收率 发射率 

分 类 号：TB66[一般工业技术—制冷工程] TU5[建筑科学—建筑技术科学]