封闭方腔特朗勃墙在典型冬季工况的运行情况  

Operation of closed square cavity Trombe Wall with typical winter conditions

作　　者：张肖肖 王广润 蒋斌 ZHANG Xiao-xiao;WANG Guang-run;JIANG Bin

机构地区：[1]山东天力能源股份有限公司,山东济南250100

出　　处：《节能》2022年第7期39-42,共4页Energy Conservation

基　　金：2020年度山东省重点研发计划(重大科技创新工程)“高耗能高污染行业绿色高效清洁生产关键技术集成与应用”(项目编号:2020CXGC011204)。

摘　　要：利用Gambit软件建立了封闭方腔特朗勃墙与普通墙的物理模型,并通过Fluent软件计算在冬季典型工况下墙体内的温度分布情况以分析封闭方腔特朗勃墙的运行情况。结果表明:采用封闭方腔的形式时,特朗勃墙的蓄热能力有所增强。在72 h内,特朗勃墙内侧温度始终高于室内温度,向室内散热。由于特朗勃墙内方腔的自然对流较为强烈,导致“被动模式”下特朗勃墙的综合集热效率较低,仅为30.46%。通过与普通墙体的对比,可以得到单位面积的特朗勃墙可以抵消1.91倍普通墙体的围护结构热负荷。In this paper,the mode of Trombe Wall and normal wall were established by Gambit software,and the temperature distribution in the wall under typical winter conditions was calculated by the Fluent software,and the operation of the closed square cavity Trumbo Wall was analyzed.The results showed that the thermal storage capacity of the Trumbo Wall is increased when it is in the form of a closed square cavity.Within 72 h,the temperature inside the Trumbo Wall was always higher than the indoor temperature,and the heat was dissipated to the room.However,due to the high intensity natural convection,the collection efficiency of closed square cavity Trombe Wall was only 30.46%.Compared with normal wall,it could obtained that the collection energy of unit area for Trombe Wall could compensate 1.91 times of thermal load of normal wall.

关 键 词：特朗勃墙 封闭方腔 冬季工况 

分 类 号：TU111.4[建筑科学—建筑理论]