Thermal behavior of a hybrid PCM/plaster: A numerical and experimental investigation

被引：92

作者：

Lachheb, Mohamed ^{[1
]}

Younsi, Zohir ^{[2
,3
]}

Naji, Hassane ^{[3
,4
]}

Karkri, Mustapha ^{[5
]}

Ben Nasrallah, Sassi ^{[1
]}

机构：

[1] Ecole Natl Ingn Monastir, LESTE, Ave Ibn El Jazzar, Monastir 5019, Tunisia

[2] FUPL, LGCgE EA 4515, HEI, 13 Rue Toul, F-59000 Lille, France

[3] Univ Artois, LGCgE, EA 4515, Technoparc Futura, F-62400 Bethune, France

[4] Univ Lille Nord France, LGCgE, EA 4515, F-59000 Lille, France

[5] Univ Paris Est, CERTES, 61 Av Gen Gaulle, F-94010 Creteil, France

来源：

APPLIED THERMAL ENGINEERING | 2017年 / 111卷

关键词：

Phase change material; Plaster; Composite wall; Thermal behavior; Energy storage; Enthalpy method; PHASE-CHANGE MATERIALS; ENERGY-STORAGE; HEAT-TRANSFER; PARAFFIN WAX; PERFORMANCE; PCM; GYPSUM; COMPOSITES; SIMULATION; SYSTEM;

D O I：

10.1016/j.applthermaleng.2016.09.083

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The Phase Change Material (PCM) integrated in building envelope can decrease the energy requirement for maintaining thermal comfort by enhancing the thermal energy storage of the wall and the roof. This study deals with numerical and experimental study of the thermal behavior of new plaster composite containing a microencapsulated PCM that can be embedded as a component in passive solar walls. Experimental measurement was performed by using a transient guarded hot plates method based on heat flux and temperature measurements. As for numerical simulation, it is based on the enthalpy method. Such a simulation was performed using a finite volume method (FVM). Then, a comparison between the two approaches is performed. It is found that our numerical findings match the experimental results. Interestingly, the results demonstrate the suitability of incorporating microencapsulated PCM into plaster. Based on the obtained results, it may be stated that the thermal storage capacity of the plaster is greatly enhanced. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：49 / 59

页数：11

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