Eutectic mixtures of capric acid and lauric acid applied in building wallboards for heat energy storage

被引：212

作者：

Shilei, L ^{[1
]}

Neng, Z

Feng, GH

机构：

[1] Tianjin Univ, Sch Environm Sci & Technol, Tianjin 300072, Peoples R China

[2] Shenyang Jianzhu Univ, Shenyang 110168, Peoples R China

来源：

ENERGY AND BUILDINGS | 2006年 / 38卷 / 06期

关键词：

eutectic mixtures; capric acid; laurie acid; phase change wallboards; latent heat;

D O I：

10.1016/j.enbuild.2005.10.006

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Capric acid (CA) and lauric acid (LA), as phase change materials (PCM), can be applied for energy storage in low temperature. The phase transition temperature and values of latent heat of eutectic mixtures of CA and LA are suitable for being incorporated with building materials to form phase change wallboards used for building energy storage. 120, 240 and 360 accelerated thermal cycle tests were conducted to study the changes in latent heat of fusion and melting temperature of phase change wallboards combined with the eutectic mixtures of CA and LA. Differential scanning calorimetry (DSC) tested the transition temperature and latent heat. The results showed that the melting temperature and latent heat of these phase change wallboards with eutectic mixtures have not obvious variations after repeated 360 thermal cycles, which proved that these phase change wallboards have good thermal stability for melting temperature and variations in latent heat of fusion for long time application. Therefore, they can be used for latent heat storage in the field of building energy conservation. (C) 2005 Elsevier B.V. All rights reserved.

引用

页码：708 / 711

页数：4

共 12 条

[1] Phase change and heat transfer characteristics of a eutectic mixture of palmitic and stearic acids as PCM in a latent heat storage system [J].

Baran, G ;

Sari, A .

ENERGY CONVERSION AND MANAGEMENT, 2003, 44 (20) :3227-3246

[2] Measurements of temperature and melting heat of some pure fatty acids and their binary and ternary mixtures by differential scanning calorimetry [J].

Cedeño, FO ;

Prieto, MM ;

Espina, A ;

García, JR .

THERMOCHIMICA ACTA, 2001, 369 (1-2) :39-50

[3] Preliminary assessment of a mixture of capric and lauric acids for low-temperature thermal energy storage [J].

Dimaano, MNR ;

Escoto, AD .

ENERGY, 1998, 23 (05) :421-427

[4] LOW CHAIN ESTERS OF STEARIC-ACID AS PHASE-CHANGE MATERIALS FOR THERMAL-ENERGY STORAGE IN BUILDINGS [J].

FELDMAN, D ;

BANU, D ;

HAWES, D .

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 1995, 36 (03) :311-322

[5] FATTY-ACIDS AND THEIR MIXTURES AS PHASE-CHANGE MATERIALS FOR THERMAL-ENERGY STORAGE [J].

FELDMAN, D ;

SHAPIRO, MM ;

BANU, D ;

FUKS, CJ .

SOLAR ENERGY MATERIALS, 1989, 18 (3-4) :201-216

[6] DEVELOPMENT AND APPLICATION OF ORGANIC-PHASE CHANGE MIXTURES IN THERMAL STORAGE GYPSUM WALLBOARD [J].

FELDMAN, D ;

BANU, D ;

HAWES, DW .

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 1995, 36 (02) :147-157

[7]

RUDD AF, 1993, ASHRAE TRAN, V99, P339

[8] Some fatty acids used for latent heat storage: thermal stability and corrosion of metals with respect to thermal cycling [J].

San, A ;

Kaygusuz, K .

RENEWABLE ENERGY, 2003, 28 (06) :939-948

[9] Thermal properties and thermal reliability of eutectic mixtures of some fatty acids as latent heat storage materials [J].

Sari, A ;

Sari, H ;

Önal, A .

ENERGY CONVERSION AND MANAGEMENT, 2004, 45 (03) :365-376

[10]

Sary A., 2001, ENERG SOURCE, V23, P75

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