[1]赵 群,谢一建,李峥嵘.拉萨民居围护结构热工性能的新型评价参数的建立[J].西安建筑科技大学学报(自然科学版),2021,53(06):876-886.[doi:10.15986/j.1006-7930.2021.06.012 ]
　ZHAO Qun,XIE Yijian,LI Zhengrong.Establishment of new evaluation parameters for thermal performance of Lhasa residential building envelope structure[J].J. Xi'an Univ. of Arch. & Tech.(Natural Science Edition),2021,53(06):876-886.[doi:10.15986/j.1006-7930.2021.06.012 ]
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拉萨民居围护结构热工性能的新型评价参数的建立()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
53
期数:
2021年06期
页码:
876-886
栏目:
出版日期:
2021-12-20

文章信息/Info

Title:
Establishment of new evaluation parameters for thermal performance of Lhasa residential building envelope structure
文章编号:
1006-7930(2021)06-0876-11
作者:
赵 群1; 谢一建2; 李峥嵘2
(1.同济大学 建筑与城市规划学院,上海 200092; 2.同济大学 机械与能源工程学院,上海 201804)
Author(s):
ZHAO Qun1;  XIE Yijian2;  LI Zhengrong2
(1.College of Architecture and Urban Planning, Tongji University,Shanghai 200092, China; 2.School of Mechanical Engineering, Tongji University, Shanghai 201804, China)
关键词:
拉萨;  围护结构;  太阳能热利用;  传热蓄热
Keywords:
Lhasa area;  enclosure structure;  solar thermal utilization;  heat transfer and storage
分类号:
TU111.4
DOI:
10.15986/j.1006-7930.2021.06.012
文献标志码:
A
摘要:
拉萨地区冬季寒冷,但太阳能资源丰富,在改善当地冬季室内热环境的技术分析中,减少当地室内热量损失和增强墙体太阳能热利用对围护结构的保温与蓄热性能产生了不同的需求.为平衡这种需求,使得围护结构对室内热环境改善效果达到最佳,对围护结构蓄热与传热性能的相对强弱及其对围护结构室内侧导热量的影响进行研究.首先运用拉普拉斯变换法,得到集墙体厚度、材料导热系数及体积热容为一体的评价围护结构蓄热性能与传热性能相对强弱的RSHST数,然后运用Energyplus模拟分析拉萨地区一定保温性能墙体的不同RSHST值对冬季围护结构内壁面导热量和壁面温度的影响,最后以夜间内壁面平均温度及夜间内壁面单位面积导热量大小为指标,得到当地围护结构RSHST的设计推荐值.
Abstract:
The Lhasa area is cold in winter, but solar energy resources are abundant. In the technical analysis of improving the local indoor thermal environment in winter, reducing the local indoor heat loss and enhancing the wall solar heat utilization have produced different requirements for the insulation and heat storage performance of the envelope structure. In order to balance this demand and make the envelope structure achieve the best improvement effect on the indoor thermal environment, this paper studies the relative strength of the envelope structure's heat storage and heat transfer performance and its influence on the indoor heat conduction of the envelope structure. First, by using the Laplace transform method, the RSHST number of wall thickness, material thermal conductivity and volume heat capacity is obtained to evaluate the relative strength of heat storage performance and heat transfer performance of envelope structure. Then Energy plus simulation is used to analyze the effect of different RSHST values on the thermal conduction and wall temperature of the inner wall of the enclosure structure in Lhasa in winter. Finally, the average temperature of the inner wall at night and the heat conduction per unit area of the inner wall at night are used as indicators to obtain the local enclosure structure RST The design recommendation value.

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备注/Memo

备注/Memo:
收稿日期:2021-07-11修改稿日期:2021-11-10
基金项目:“十三五”国家重点研发计划课题项目(2017YFC0702400)
第一作者:赵 群(1975-),女,副教授,主要从事被动式建筑技术设计研究.E-mail: qunzhao@126.com 通信作者:谢一建(1993-),男,硕士生,主要从事围护结构热工性能研究.E-mail: xie_1jian@126.com

更新日期/Last Update: 2021-12-20