Accelerated thermal cycle test of latent heat-storage materials

Accelerated laboratory experiments have been conducted to study the change in latent heat of fusion, melting temperature and specific heat of commercial-grade stearic acid, acetamide and paraffin wax subjected to repeated 300 melt/freeze cycles. The latent heat of fusion, melting temperature and spe...

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Veröffentlicht in:Solar energy 1999, Vol.66 (6), p.483-490
Hauptverfasser: Sharma, S.D., Buddhi, D., Sawhney, R.L.
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creator Sharma, S.D.
Buddhi, D.
Sawhney, R.L.
description Accelerated laboratory experiments have been conducted to study the change in latent heat of fusion, melting temperature and specific heat of commercial-grade stearic acid, acetamide and paraffin wax subjected to repeated 300 melt/freeze cycles. The latent heat of fusion, melting temperature and specific heat of the samples were measured after 0, 20, 50, 70, 100, 150, 200, 250 and 300 thermal cycles using a differential scanning calorimeter. Acetamide and paraffin wax were found to be more stable phase change materials (PCMs). However, acetamide absorbs moisture from the surrounding atmosphere.
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1471-1257
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source Elsevier ScienceDirect Journals
subjects Applied sciences
Differential scanning calorimetry
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Experiments
Heat storage
Heating
Materials science
Paraffin waxes
Solar energy
Specific heat
Thermal cycling
Transport and storage of energy
title Accelerated thermal cycle test of latent heat-storage materials
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