Experimental investigation of thermal characteristics of a mortar with or without a micro-encapsulated phase change material

被引：113

作者：

Joulin, Annabelle ^{[1
,2
]}

Zalewski, Laurent ^{[1
,2
]}

Lassue, Stephane ^{[1
,2
]}

Naji, Hassane ^{[1
,2
]}

机构：

[1] Univ Lille Nord France, Lab Genie Civil & Geoenvironm LGCgE, F-59000 Lille, France

[2] LGCgE, UArtois, F-62400 Bethune, France

来源：

APPLIED THERMAL ENGINEERING | 2014年 / 66卷 / 1-2期

关键词：

Micro-encapsulated phase change materials; Cement mortar; Heat flux measurement; Latent heat; Apparent specific heat; ENERGY-STORAGE; HEAT-TRANSFER; MICROENCAPSULATED PCM; BUILDING APPLICATIONS; CEMENT MORTAR; SYSTEM; FABRICATION; SIMULATION; SLURRIES; WALLS;

D O I：

10.1016/j.applthermaleng.2014.01.027

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This article deals with a method of thermal characterization of buildings materials including micro-encapsulated phase change materials (PCMs) incorporated into cement-mortars from simultaneous heat flux and temperature measurements. The thermal behavior of the sample and the conventional mortar are compared. The main goal of this method is to determine the latent heat and the temperature of the studied PCM to provide reference solutions allowing validating numerical simulations. In this work, the thermophysical characterization carried out here yields the experimental determination of conductivities, heat capacities and the latent heat of solid/liquid phase change as well as the phase change temperature of micro-encapsulated PCM embedded into cement mortars and common mortars in their implementation state. From the obtained results, it can be concluded that the considered composite PCM has potential thermal energy storage purpose in buildings. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：171 / 180

页数：10

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