集热墙式附加阳光间的冬季对流供热特性研究  

Study on convection heating characteristics in winter of additional sunlight room with heat collection wall

作　　者：王天鹏[1] 刘妍妍 颜鲁祥 王建华[1] Wang Tianpeng

机构地区：[1]兰州交通大学建筑与城市规划学院,甘肃兰州730070

出　　处：《中国建材科技》2018年第6期70-72,共3页China Building Materials Science & Technology

基　　金：国家自然科学基金资助项目(51566008);兰州交通大学"百名青年优秀人才培养计划"基金资助

摘　　要：将被动式太阳能建筑中的普通特朗伯集热墙系统的空气间层深度增大,形成附加阳光间。本文利用Design Builder软件的CFD模块对比分析了大空腔附加阳光间和小空腔空气间层的对流特性,并据此计算分析其冬季利用太阳能采暖供热量。结果表明:(1)附加阳光间的进深达到1.2 m可使出风口速度相对于空气间层0.1 m的集热墙提高12%,室内空间中心点温度提高约1.0℃,对流供热量提高30%以上;(2) 1.2 m进深附加阳光间情况下,集热墙大风口组合相比小风口组合对出风口速度和对流供热量影响不大,但室内空间中心点温度略有降低。Increasing the depth of the air interlayer in the ordinary Trombe collector wall system in a passive solar building will form additional sunlight room.In this paper,the convection characteristics of the additional sunlight room in large cavity and the air interlayer in small cavity are compared and analyzed by using the CFD module of Design Builder software.Based on this, the convective heat supply of solar heating is calculated and analyzed.The results show that:(1)compared 1.2m depth of additional sunlight room to 0.1 m depth of air interlayer in Trombe collector wall system,the velocity of air outlet is increased by 12%,the temperature at the center of the indoor space is increased by about 1.0℃,and the convective heat supply is increased by more than 30%.(2)Under the condition of additional sunlight room with 1.2m depth,compared with the small air vent combination on the collector wall,the large air vent combination has little effect on the velocity of air outlet and the convection heat supply,but the temperature at the center of the indoor space is slightly lower.

关 键 词：对流供暖 CFD 集热墙 附加阳光间 

分 类 号：TU111.45[建筑科学—建筑理论]