Thermal analysis of a ventilated facade with PCM for cooling applications

被引：88
作者：
de Gracia, Alvaro [1 ]
Navarro, Lidia [1 ]
Castell, Albert [1 ]
Ruiz-Pardo, Alvaro [2 ]
Alvarez, Servando [2 ]
Cabeza, Luisa F. [1 ]
机构：
[1] Univ Lleida, GREA Innovacio Concurrent, Lleida 25001, Japan
[2] Univ Seville, Grp Termotecnia, Escuela Ingn, Seville 41092, Spain
来源：
ENERGY AND BUILDINGS | 2013年 / 65卷
关键词：
Ventilated facade (VF); Phase change materials (PCM); Buildings; Experimental measurements; Cooling applications; Energy efficiency; DOUBLE-SKIN FACADE; NATURAL VENTILATION; PART I; ENERGY; BUILDINGS; SYSTEM; BEHAVIOR; TEMPERATURE; PERFORMANCE; SIMULATION;
D O I：
10.1016/j.enbuild.2013.06.032
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A new type of ventilated facade (VF) with macro-encapsulated phase change material (PCM) in its air cavity is presented in this paper. The thermal performance of this special building envelope is experimentally tested to analyze its potential in reducing the cooling demand during the summer season in the Continental Mediterranean climate. Two identical house-like cubicles located in Puigverd de Lleida (Spain) were monitored during summer 2012, and in one of them, a ventilated facade with PCM was located in the south wall. Six automatized gates were installed at the different openings of the channel in order to control the operational mode of the facade. This versatility allows the system to be used as a cold storage unit, as an overheating protection system or as a night free cooling application. The experimental results point out the night free cooling effect as the most promising operational sequence to reduce the cooling load of the cubicle. On the other hand, the thermal resistance of the outer skin of the facade must be increased; otherwise the cold storage system cannot be used efficiently. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：508 / 515
页数：8
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