3D Numerical Modeling to Assess the Energy Performance of Solid–Solid Phase Change Materials in Glazing Systems

Hossein Arasteh, Wahid Maref () and Hamed H. Saber
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Hossein Arasteh: Department of Construction Engineering, École de Technologie Supérieure (ÉTS), University of Quebec, Montreal, QC H3C 1K3, Canada
Wahid Maref: Department of Construction Engineering, École de Technologie Supérieure (ÉTS), University of Quebec, Montreal, QC H3C 1K3, Canada
Hamed H. Saber: Deanship of Research and Industrial Development, Mechanical Engineering Department, Jubail Industrial College, Royal Commission of Jubail and Yanbu, Jubail Industrial City 31961, Saudi Arabia

Energies, 2024, vol. 17, issue 15, 1-24

Abstract: This research investigates the energy efficiency of a novel double-glazing system incorporating solid–solid phase change materials (SSPCMs), which offer significant advantages over traditional liquid–solid phase change materials. The primary objective of this study is to develop a 3D numerical model using the finite volume method, which will be followed by a parametric study under real climatic boundary conditions. A proposed double-glazing setup featuring a 2 mm layer of SSPCM applied on the inner glass pane within the air gap is modeled and analyzed. The simulations consider various transient temperatures and ranges of the SSPCM to evaluate the energy performance of the system under different weather conditions of Miami, FL during the coldest and hottest days of the year, both in sunny and cloudy conditions. The results demonstrate a notable improvement in energy performance compared to standard double-glazing windows (DGWs), with the most efficient SSPCM configuration exhibiting a phase transition temperature and range of 25 °C and 1 °C, respectively. This configuration achieved energy savings of 24%, 26%, and 23% during summer sunny, winter sunny, and winter cloudy days, respectively, relative to DGWs during cooling and heating degree hours. However, a 3% energy loss was observed during summer cloudy days. Overall, the findings of this study have shown the potential for energy savings by incorporating SSPCM with suitable thermophysical properties into double-glazing systems.

Keywords: carbon neutrality; building energy; solid–solid phase change material; glazing system; zero energy buildings; computational fluid dynamics; finite volume method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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