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Triple-glazed windows with phase change materials and aerogel: Thermal performance across diverse climate zones

Author

Listed:
  • Yuan, Zhe
  • Yang, Ruitong
  • López Salazar, Samanta
  • Wang, Yiran
  • Fu, Qiang
  • Wang, Xueyang
  • Arıcı, Müslüm
  • Li, Dong
  • Zheng, Qiye
  • Zhang, Shu

Abstract

This study presents an advanced energy balance mathematical model for triple-glazed windows incorporating silica aerogel insulation material (SAIM) and phase change material (PCM), addressing limitations in traditional simulation and experimental methods for rapid and reliable results. Using a self-programmed approach, experimental validation, and numerical simulations, the study assesses the thermal characteristics and energy savings of six triple-glazed window configurations across five representative climate zones in China (Daqing, Changchun, Beijing, Hong Kong, and Haikou). Unlike previous studies, it employs a cross-scale, multi-physics coupling method to simulate photothermal conversion, energy consumption, and building orientation effects. The results show that triple-glazed windows with PCM and SAIM outperform traditional systems, offering superior thermal insulation and adaptability to dynamic climates. In cold climates such as Changchun, the Glazing-PCM-Glazing-SAIM-Glazing configuration demonstrated exceptional insulation performance, achieving the indoor surface at 24.7 °C, reducing heat loss to 785.6 kJ/m2·d, and saving 15.5 % of energy. In the tropical climate of Haikou, the Reflective Glazing-PCM-Glazing-SAIM-Glazing configuration minimized heat gain to 382 kJ/m2·d, maintained an indoor surface temperature of 25.6 °C, and achieved an impressive energy-saving rate of 74.8 %. Orientation also played a significant role in performance, with the north-facing orientation saving 11 % of energy, while the west-facing orientation experienced a 20 % energy loss.

Suggested Citation

  • Yuan, Zhe & Yang, Ruitong & López Salazar, Samanta & Wang, Yiran & Fu, Qiang & Wang, Xueyang & Arıcı, Müslüm & Li, Dong & Zheng, Qiye & Zhang, Shu, 2025. "Triple-glazed windows with phase change materials and aerogel: Thermal performance across diverse climate zones," Energy, Elsevier, vol. 330(C).
    • Handle: RePEc:eee:energy:v:330:y:2025:i:c:s0360544225022789
    DOI: 10.1016/j.energy.2025.136636
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