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Sustainability, Vol. 9, Pages 1222: Experimental and Numerical Research of the Thermal Properties of a PCM Window Panel

This paper reports the experimental and simulation analysis of a window system incorporating Phase Change Materials (PCMs). In this study, the latent heat storage material is exploited to increase the thermal mass of the building component. A PCM-filled window can increase the possibilities of storage energy from solar radiation and reduce the heating cooling demand. The presented measurements were performed on a specific window panel that integrates a PCM. The PCM window panel consists of four panes of safety glass with three gaps, of which the first one contains a prismatic glass, the second a krypton gas, and the last one a PCM. New PCM window panel technology uses the placement of the PCM in the whole space of the window cavity. This technology improves the thermal performance and storage mass of the window panel. The results show the incongruent melting of salt hydrates and the high thermal inertia of the PCM window panel. The simulation data showed that the PCM window panel and the double glazing panel markedly reduced the peak temperature on the interior surface, reduced the air temperature inside the room, and also considerably improved the thermal mass of the building. This means that the heat energy entering the building through the panel is reduced by 66% in the summer cycle.

Authors:   Koláček, Martin ; Charvátová, Hana ; Sehnálek, Stanislav
Journal:   Sustainability
Volume:   9
edition:   7
Year:   2017
Pages:   1222
DOI:   10.3390/su9071222
Publication date:   12-Jul-2017
Facts, background information, dossiers
  • phase change materials
  • paper
  • latent heat storage
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