[1]刘 琳,余 庄,张 辉,等.主动通风式高效保温隔热外墙的传热模拟研究[J].西安建筑科技大学学报:自然科学版,2015,47(02):287-292.[doi:10.15986/j.1006-7930.2015.02.025]
 LIU Lin,YU Zhuang,ZHANG Hui,et al.The heat transfer simulation research on the forcedventilated thermal insulating wall[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(02):287-292.[doi:10.15986/j.1006-7930.2015.02.025]
点击复制

主动通风式高效保温隔热外墙的传热模拟研究()
分享到:

西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
47
期数:
2015年02期
页码:
287-292
栏目:
出版日期:
2015-04-28

文章信息/Info

Title:
The heat transfer simulation research on the forced
ventilated thermal insulating wall
文章编号:
1006-7930(2015)02-0287-06
作者:
刘 琳1余 庄1张 辉1王 薇2
(1.华中科技大学建筑与城市规划学院,湖北 武汉 430074;2. 安徽建筑大学建筑与规划学院,安徽 合肥 230022)
Author(s):
LIU Lin1 YU Zhuang1 ZHANG Hui 1 WANG Wei2
(1. School of Architecture and Urban Planning, Huazhong University of Science and Technology, Wuhan 430074,China;
2. School of Architecture and Urban Planning, Anhui Jianzhu University, Hefei 230022, China)
关键词:
通风外墙CFD隔热性能热阻
Keywords:
ventilated facades CFD heat insulation thermal resistance
分类号:
TU111.4
DOI:
10.15986/j.1006-7930.2015.02.025
文献标志码:
A
摘要:
采用CFD 模拟方法,分析夏季工况下对室内排风进行再利用的主动通风式高效保温隔热外墙的传热过程,并对墙体
内空气间层的速度与温度分布展开讨论.比较研究了不同空气间层通风量与外墙面温度对墙体隔热性能的影响.结果表明:
该墙体具有很好的隔热特性,运行过程中能通过流动空气层带走90%以上的传入热量;同时空气间层能有效降低内侧墙体
温度,利于减小室内墙面热辐射,改善室内舒适度;增大墙体通风量能显著提高墙体热阻,增强墙体隔热性能.通过拟合分
析得到了空气间层平均风速与墙体热阻值的线性回归方程.
Abstract:
The heat transfer performance of a forced ventilated thermal insulating wall was simulated and analyzed in which the
indoor exhaust is utilised. And air flow velocity and temperature in the cavity of the wall are discussed as well. The influence of
different ventilation rate of the air cavity and different temperature of the outer wall surface on the heat insulation performance of the
wall is analyzed. The results indicate that the wall show high performance in heat insulation, the flow air in cavity can take away
more than 90% of the heat quantity transferred from outside under the summer working mode. Meanwhile the flow air in cavity can
reduce the temperature of the inner layer of the wall effectively which can contribute to decreasing the thermal radiation of the indoor
wall surface and improving the indoor thermal amenity. Thermal resistance of the wall increases with the ventilation rate, which is
beneficial for improving the performance of the wall. And a linear relationship between the average velocity of the air in cavity and
the thermal resistance of the wall is obtained through fitting method.

参考文献/References:

参考文献 References
[1] 杨玉苹,谢婧,崔广为,等. 干挂饰面砖幕墙聚苯复合外
墙外保温施工技术[J].建筑技术,2006, 37(2):114-115.
YANG Yuping, XIE Jing, CUI Guangwei, et al. Exterior
insulation construction technology for dry-stuck face
brick curtain wall with composite polyphenyl sheets[J].
Architecture technology, 2006, 37(2):114-115.
[2] 施工技术,”揭秘绿色建筑领域18 项高科技”,
http://www.igreen.org/2014/0827/4925.html(2014/8/27).
Construction technology,”18 sets of high technique in the
fields of green building”
[3] BALOCCO C. A simple model to study ventilated
facades energy performance [J].Energy and Buildings,
2002,34 (5): 469-475.
[4] PATANIA F, GAGLIANO A, NOCERA F, et al.
Thermofluid-dynamic analysis of ventilated facades[J].
Energy and Buildings,2010,42(7):1148-1155.
[5] DE GRACIA A, CASTELL A, NAVARRO L, et al.
Numerical modelling of ventilated facades: A review
[J].Renewable and Sustainable Energy Reviews, 2013,
22(C): 539-549.
[6] RAYMOND J, BILGEN E. On the thermal and
ventilation performance of composite walls [J].Energy
and buildings,2007,39(9):1041-1046.
[7] DE GRACIA A, NAVARRO L, CASTELL A, et al.
Thermal analysis of a ventilated facade with PCM for
cooling applications[J].Energy and Buildings, 2013,
65(7): 508-515.
[8] SEFERIS P, STRACHAN P, DIMOUDI A, et al.
Investigation of the performance of a ventilated
wall[J].Energy and Buildings, 2011,43(9):2167-2178.
[9] 路延魁.空气调节设计手册[M].北京: 中国建筑工业出
版社,1995: 53-54.
LU Yankui. Design manual of air-conditioning [M].
Beijing: China building industry press,1995: 53-54.
[10] ABE K, KONDOH T, NAGANO Y. A new turbulence
model for predicting fluid flow and heat transfer in
separating and reattaching flows-I. Flow field
calculations[J]. International journal of heat and mass
transfer, 1994, 37(1): 139-151.

相似文献/References:

[1]徐 鹏1,赵嘉靖2,李俊明2.一种新型蒸发冷却式通风外墙的热工性能研究[J].西安建筑科技大学学报:自然科学版,2011,43(04):546.[doi:DOI:10.15986/j.1006-7930.2011.04.020]
 ,Thermal performance study on a new modular evaporativecooling ventilated wall[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2011,43(02):546.[doi:DOI:10.15986/j.1006-7930.2011.04.020]
[2]崔海航,张永波,张静刚,等.微孔道内渗透现象的数值模拟[J].西安建筑科技大学学报:自然科学版,2018,50(02):277.[doi:10.15986/j.1006-7930.2018.02.019]
 CUI Haihang,ZHANG Yongbo,ZHANG Jinggang,et al.Simulation of osmosis in micro channels[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2018,50(02):277.[doi:10.15986/j.1006-7930.2018.02.019]

备注/Memo

备注/Memo:
收稿日期:2014-11-27 修改稿日期:2015-04-28
基金项目:中国可持续能源项目(G-1011-13546);中国博士后基金项目(2013M531697);2014 年安徽省高校优秀青年人才支持计划项目
作者简介:刘琳(1990-),女,博士生,主要研究方向为建筑可再生能源利用.E-mail: L60@hust.edu.cn
更新日期/Last Update: 2015-09-25