Effect of phase change materials on indoor thermal environment under different weather conditions and over a long time

被引：80
作者：
Ling, Haoshu [1 ]
Chen, Chao [1 ]
Wei, Shen [2 ]
Guan, Yong [1 ]
Ma, Caiwen [3 ]
Xie, Guangya [1 ]
Li, Na [1 ]
Chen, Ziguang [1 ]
机构：
[1] Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
[2] Univ Plymouth, Bldg Performance Anal Grp, Plymouth PL4 8AA, Devon, England
[3] Xinjiang Acad Agr Sci, Inst Agr Mechanizat, Urumqi 830091, Peoples R China
来源：
APPLIED ENERGY | 2015年 / 140卷
基金：
中国国家自然科学基金;
关键词：
Greenhouse; Phase change materials; Heat storage; Thermal environment; Evaluation methodology; CHANGE MATERIALS PCMS; ENERGY STORAGE; PERFORMANCE; COMFORT; HEAT; COMPOSITES; GREENHOUSE; BUILDINGS;
D O I：
10.1016/j.apenergy.2014.11.078
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
To evaluate the effect of phase change materials (PCMs) on the indoor thermal environment of greenhouses under different weather conditions and over a long time in the heating season, a study was carried out using both experimental method and numerical method. The study was conducted in a typical greenhouse located in Beijing, China, and important parameters have been monitored continuously for 61 days, including indoor air temperature, outdoor air temperature, solar radiation, surface temperature of greenhouse envelopes and soil temperature. Based on these parameters, a number of indicators, namely, operative temperature, daily effective accumulative temperature, irradiated surface temperature of the north wall, average temperature of PCMs, and daily heat storage and release, have been used to evaluate the performance of PCMs in greenhouses. All indicators have provided consistent results that confirm the positive effect of PCMs on improving the indoor thermal environment of greenhouses over a long time. Additionally, the paper has demonstrated that a sunny weather could help to promote the efficiency of PCMs, comparing to a cloudy weather. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：329 / 337
页数：9
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