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Thermophysical Properties of Nanoparticles-Phase Change Material Compositions for Thermal Energy Storage

Lin, S.C. and Al-Kayiem, Hussain H. (2012) Thermophysical Properties of Nanoparticles-Phase Change Material Compositions for Thermal Energy Storage. Applied Mechanics and Materials , 232 . pp. 124-131.

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Abstract

Utilizing the Phase change material or PCM as thermal storage in solar research has been widely focused. Some researches embedded metal and non-metal Nanoparticles into the PCM to investigate the effect on the thermal properties of the mixtures. In this study, copper nanoparticles are dispersed into paraffin wax to form Nanoparticles-PCM mixture. Three samples have been prepared: Sample 1 is paraffin wax only, Sample 2 is 1% 20nm copper powder + 150 ml paraffin wax, and Sample 3 is 2% 20nm copper powder + 150 ml paraffin wax. Differential Scanning Calorimeter is used to analyse the melting point, solidification point and specific heat of mixture. Transmission Electron Microscopy is used to identify the shape and size of 20nm copper powder. The study showed that thermal conductivity of Nanoparticles-PCM mixture was increased as well as the sensible heat. However, there is reduction in the melting point and heat flow to melt the Nanomaterials but latent heat of fusion was increased. 20nm copper powder is proven to be suspended in the paraffin wax.

Item Type:Article
Subjects:Q Science > QC Physics
T Technology > TD Environmental technology. Sanitary engineering
Academic Subject One:Academic Department - Mechanical Engineering - Materials - Engineering materials - Composites material - Nanocomposites
Departments / MOR / COE:Research Institutes > Energy
ID Code:8914
Deposited By: Assoc Prof Hussain H. Al-Kayiem
Deposited On:28 Feb 2013 14:34
Last Modified:28 Feb 2013 14:34

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