Some fatty acids as phase-change thermal energy storage materials

A. Hasan and A.A. Sayigh

Renewable Energy, 1994, vol. 4, issue 1, 69-76

Abstract: Thermal energy storage in some fatty acids as phase-change materials has been investigated for a domestic water heating system. The selected fatty acids were myristic acid, palmitic acid and stearic acid, with melting temperatures between 50° and 70°C. Thermophysical properties of those acids were determined using differential scanning calorimetry (DSC). The density and dilation volumes were determined by a simple dilatometry technique. The degree of degradation after a large number of melting and solidification cycles was examined. Little reduction of the latent heat was found after 450 heating cycles (20–80°C), while a reduction of up to one-third of the latent heat was found after 21 severe heating cycles (20–150°C).

Date: 1994
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Citations: View citations in EconPapers (31)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:4:y:1994:i:1:p:69-76

DOI: 10.1016/0960-1481(94)90066-3

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