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This study focuses on enhancing energy efficiency and thermal insulation in buildings by increasing heat storage capacity in the building envelope using phase change materials (PCM). Numerical simulations were conducted to determine the optimal position and thickness of PCM within a building wall. Three scenarios were examined: one without PCM integration and two with PCM integrated into the external and internal surfaces of the wall, all with an insulating layer made from date palm wood concrete (DPC). Additionally, the effect of PCM integration into the building’s roof was studied. Results indicate that placing PCM on the inside of the wall along with DPC significantly reduces energy demand. Furthermore, adding PCM to the roof reduces heat transfer and interior surface temperature.

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Numerical Simulation of the Influence of PCM and DPC Incorporation on the Thermal Insulation Buildings

  • 章节

  • 发表日期：

    2025年

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  • Sabrina Lehmil,
  • Manel Haddadi,
  • Boudjemaa Agoudil

摘要

This study focuses on enhancing energy efficiency and thermal insulation in buildings by increasing heat storage capacity in the building envelope using phase change materials (PCM). Numerical simulations were conducted to determine the optimal position and thickness of PCM within a building wall. Three scenarios were examined: one without PCM integration and two with PCM integrated into the external and internal surfaces of the wall, all with an insulating layer made from date palm wood concrete (DPC). Additionally, the effect of PCM integration into the building’s roof was studied. Results indicate that placing PCM on the inside of the wall along with DPC significantly reduces energy demand. Furthermore, adding PCM to the roof reduces heat transfer and interior surface temperature.