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Thermal performance of caprylic acid/1-dodecanol eutectic mixture as phase change material (PCM)

Zuo, Jianguo / Li, Weizhong / Weng, Lindong

Abstract Differential scanning calorimetry (DSC) is used to investigate the thermal properties of caprylic acid, 1-dodecanol and their binary system. The experimental results show that the caprylic acid/1-dodecanol binary system presents eutectic point. The eutectic melting temperature (T em) is 6.52°C, and the latent heat of melting of eutectic mixture (ΔH em) is 171.06Jg⁻¹. The corresponding mass fraction of 1-dodecanol in eutectic mixture is 30%. The eutectic melting temperature and the latent heat of phase change of eutectic mixture have not obvious variations after 60 and 120 thermal cycles, which proves that the eutectic mixture has good thermal stability.

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Thermal performance of caprylic acid/1-dodecanol eutectic mixture as phase change material (PCM)

Zuo, Jianguo / Li, Weizhong / Weng, Lindong

Abstract Differential scanning calorimetry (DSC) is used to investigate the thermal properties of caprylic acid, 1-dodecanol and their binary system. The experimental results show that the caprylic acid/1-dodecanol binary system presents eutectic point. The eutectic melting temperature (T em) is 6.52°C, and the latent heat of melting of eutectic mixture (ΔH em) is 171.06Jg⁻¹. The corresponding mass fraction of 1-dodecanol in eutectic mixture is 30%. The eutectic melting temperature and the latent heat of phase change of eutectic mixture have not obvious variations after 60 and 120 thermal cycles, which proves that the eutectic mixture has good thermal stability.

Thermal performance of caprylic acid/1-dodecanol eutectic mixture as phase change material (PCM)

Zuo, Jianguo / Li, Weizhong / Weng, Lindong

Abstract Differential scanning calorimetry (DSC) is used to investigate the thermal properties of caprylic acid, 1-dodecanol and their binary system. The experimental results show that the caprylic acid/1-dodecanol binary system presents eutectic point. The eutectic melting temperature (T em) is 6.52°C, and the latent heat of melting of eutectic mixture (ΔH em) is 171.06Jg⁻¹. The corresponding mass fraction of 1-dodecanol in eutectic mixture is 30%. The eutectic melting temperature and the latent heat of phase change of eutectic mixture have not obvious variations after 60 and 120 thermal cycles, which proves that the eutectic mixture has good thermal stability.

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Title:

Thermal performance of caprylic acid/1-dodecanol eutectic mixture as phase change material (PCM)

Contributors:

Zuo, Jianguo (author) / Li, Weizhong (author) / Weng, Lindong (author)

Published in:

Energy and Buildings ; 43 ; 207-210

Publication date:

2010-09-11

Size:

4 pages

ISSN:

DOI:

https://doi.org/10.1016/j.enbuild.2010.09.008

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Hexylacetic acid , Dodecyl alcohol , Phase change material , Thermal stability

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