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Lightweight building materials are widely used because of their inherent advantages of low cost, easy to transport, ease in construction, less space consuming, and low energy intensive. In addition, they are less destructive during earthquakes. In this study, lightweight hollow polycarbonate sheet (HPCS) is used to evaluate indoor thermal performance. Various configurations of HPCS are in combination with PCM, thermal paint, bentonite clay, PCM + bentonite clay, thermal paint + PCM, and thermal paint + bentonite clay. Results of indoor temperature profile each configuration were compared with reference polycarbonate sheet (RPCS). Incorporation of PCM in HPCS shows negative effect in indoor temperature. However, PCM in combination with thermal paint shows best thermal performance. TPCS shows a maximum reduction in peak temperature of 7.62% followed by TPPPCS of 5.05%. Minimum decrement factor of 0.419 is shown by TPPPCS. Similarly, TPPPCS shows maximum reduction in thermal amplitude of 42% in comparison with RPCS.

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Experimental Study on the Indoor Thermal Performance of Lightweight Building Material Integrated with Thermal Energy Storage

  • 会议论文

  • 发表日期：

    2026年

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  • Abdul Aleem,
  • Manjari Shukla,
  • Pushpendra Kumar Singh Rathore

摘要

Lightweight building materials are widely used because of their inherent advantages of low cost, easy to transport, ease in construction, less space consuming, and low energy intensive. In addition, they are less destructive during earthquakes. In this study, lightweight hollow polycarbonate sheet (HPCS) is used to evaluate indoor thermal performance. Various configurations of HPCS are in combination with PCM, thermal paint, bentonite clay, PCM + bentonite clay, thermal paint + PCM, and thermal paint + bentonite clay. Results of indoor temperature profile each configuration were compared with reference polycarbonate sheet (RPCS). Incorporation of PCM in HPCS shows negative effect in indoor temperature. However, PCM in combination with thermal paint shows best thermal performance. TPCS shows a maximum reduction in peak temperature of 7.62% followed by TPPPCS of 5.05%. Minimum decrement factor of 0.419 is shown by TPPPCS. Similarly, TPPPCS shows maximum reduction in thermal amplitude of 42% in comparison with RPCS.