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Study on Phase Change Material in Grooved Bricks for Energy Efficiency of the Buildings

Journal of Architectural Environment & Structural Engineering Research 2023年第2期6卷 22-32页

作者： Niharika Pawar yasmeen qureshi Rachit Agarwal Srinivasarao Naik B Institute for Excellence in Higher Education BhopalMadhya Pradesh462016India CSIR-Central Building Research Institute RoorkeeUttarakhand247667India

Phase change materials(PCMs)are an interesting technology due to their high density and isothermal behavior during phase *** change material plays a major role in the energy saving of the buildings,which is greatly aided by the incorporation of phase change material into building products such as bricks,cement,gypsum board,*** this study,an experiment has been conducted with three identical small chambers made up of normal,grooved and PCM-treated grooved *** the inclusion of PCM in grooved bricks,PCM material behavior has been studied by different techniques such as DSC,TG/DTA,SEM,and *** properties and thermal stability were investigated by differential scanning calorimeter(DSC)and thermogravimetric analyzer(TGA)*** electron microscopy(SEM)and X-ray diffraction(XRD)were used to determine the microstructure and crystalloid phase of the PCM before and after the accelerated thermal cycling test(0,60,120).These three identical model rooms built were exposed at a temperature just above 40°C with a *** the maximum outdoor temperature was 40-41°C,then the temperature of the PCM-treated grooved chamber was 32-33°*** PCM-treated wall was tested and compared with a conventional and grooved *** difference between the PCM-treated grooved chamber and the untreated one was 8-9°***-treated bricks provided more efficient internal heat retention in summer when the outside temperature increased.

关键词： Phase change material Building temperature Brick Fatty acid Cementitious materials

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