Journal
SUSTAINABLE CITIES AND SOCIETY
Volume 45, Issue -, Pages 422-430Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scs.2018.12.003
Keywords
Energy storage system; Glazed heat exchanger; Phase change material; Temperature variation
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In the literature, two materials (such as water and phase change materials) have been studied frequently as potential heat energy storage medium in building applications. Many perspectives have been mentioned by researchers but there is too little information about significance of its application. In this experimental study, water and PCM glazing systems were tested simultaneously in natural environment using test chambers. Temperature histories were recorded in the corresponding chambers at interior glass surface for each sample. Time lag, temperature damping and average temperature for each glazing system were comparatively analyzed. It was observed that temperature variation at interior glass surface over a period of 48 h changes differently for each material. Compared to the traditional air filled glazing system, it was found that water glazing system has most promising temperature damping properties, but significantly unfavorable average temperature, while PCM glazing system has significantly promising average temperature and temperature dumping properties.
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