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Experimental Research on the Heat Transfer and Mechanical Property of Phase Change Material Wallboards
Abstract:
This paper investigated the heat transfer and mechanical property of phase change material (PCM) walls and common wall. Three mixtures of liquid paraffin-46# paraffin, liquid paraffin- lauric acid and capric-myristic acid were prepared and mixed respectively with high-density polyethylene (HDPE) to prepare shape-stabilized phase change materials. Then direct mixing method was used to add these materials into cement mortar in order to make phase change walls. The results shows that the temperatures and heat flow on phase change walls’ surface are all lower than those of common wall; PCMs of different thermal properties have a more and more obvious distinction in heat storage performance with the increasing content of them added in the wall; PCM walls have lower compressive strength than the common one. Results can provide the basis for the application of phase change material walls in real buildings.
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1153-1158
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February 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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