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浙江大学学报(工学版)
土木工程、交通工程     
分室间歇用能对墙体内外保温节能效果的影响
阮方,钱晓倩,朱耀台,吴敏莉
浙江大学 建筑工程学院,浙江 杭州 310058
Internal and external wall insulation effect on building energy efficiency with compartmental and intermittent energy consuming method
RUAN Fang, QIAN Xiao qian, ZHU Yao tai, WU Min li
College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
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摘要:

为了探究适宜夏热冬冷地区的围护结构保温形式,针对该地区居住建筑间歇式和分室用能特点,以户(室)为研究单元建立二维传热模型,逐秒动态分析居住建筑的能量耗散方式和墙体内外保温方式的节能效果.在分室用能特点下,两面内墙总耗能份额占总能耗的45%左右,该地区建筑节能必须兼顾外墙保温和内墙保温.在间歇式用能特点下,采用外墙外保温方式可以降低空调热负荷,但在夏季夜间制冷时,墙体温度既高于室内温度又高于环境温度,外保温阻碍了墙体向外界散热,存在“反节能”现象;采用内保温方式可以降低空调热负荷和冷负荷.

Abstract:

A two dimensional heat transfer model of one household flat was built for a transient study of the internal and external wall insulation effect on building energy efficiency based on the intermittent and compartmental energy consuming method of residential buildings in  hot summer and cold winter zone  in order to explore the most suitable insulation method for resident building envelop in this climate region. The energy consumption of interior walls accounts for nearly 45% of the total amount with the mode of compartmental energy consuming. Insulation for interior walls should be considered as well as for exterior walls. With the intermittent energy consuming mode, exterior wall external insulation can decrease air conditioner heating load. When cooling in summer nights, the temperature of wall is higher than both indoor and outdoor. External insulation hinders heat in walls from dissipating to outside, and there is an “anti insulation” effect existing here. Internal insulation can effectively decrease both heating and cooling loads of air conditioner.

出版日期: 2016-03-31
:  TU 111  
基金资助:

国家“十二五”科技支撑计划资助项目(2012BAA10B01);浙江省建筑节能技术创新团队资助项目.

通讯作者: 钱晓倩,男,教授. ORCID: 0000 0003 4649 1557.     E-mail: qianxq1@zju.edu.cn
作者简介: 阮方(1990-),男,博士生,从事建筑节能的研究. ORCID: 0000 0002 7626 5529.E-mail: ruanfang@zju.edu.cn
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引用本文:

阮方,钱晓倩,朱耀台,吴敏莉. 分室间歇用能对墙体内外保温节能效果的影响[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.01.001.

RUAN Fang, QIAN Xiao qian, ZHU Yao tai, WU Min li. Internal and external wall insulation effect on building energy efficiency with compartmental and intermittent energy consuming method. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.01.001.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.01.001        http://www.zjujournals.com/eng/CN/Y2016/V50/I1/1

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