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The well-being of the residents is primarily concerned with maintaining a comfortable thermal environment inside a building. The use of electrical equipment to control the excessive temperature swings inside buildings has been rising steadily over time. This research aims to lower the electrical demand for space cooling by improvising autoclaved aerated concrete (AAC) bricks with biocomposite phase change materials. The biocomposite phase change material employed in this work is made by impregnating organic phase change material (PCM), namely OM35, with biochar produced from the pyrolysis of water hyacinth (WH). The temperature profiles of the standard AAC brick and the PCM-impregnated brick are compared in this preliminary research conducted within a thermal chamber. The study concludes that the biocomposite PCM-impregnated brick is able to reduce temperature fluctuation, and a maximum temperature difference of 3 °C can be achieved while using biocomposite PCM brick as compared to standard AAC brick.

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Thermal Performance Investigation of Biocomposite Phase Change Material Incorporated Autoclaved Aerated Concrete Bricks in a Simulated Environment

  • 会议论文

  • 发表日期：

    2025年

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  • Urbashi Bordoloi,
  • Bitupan Das,
  • Pankaj Kalita

摘要

The well-being of the residents is primarily concerned with maintaining a comfortable thermal environment inside a building. The use of electrical equipment to control the excessive temperature swings inside buildings has been rising steadily over time. This research aims to lower the electrical demand for space cooling by improvising autoclaved aerated concrete (AAC) bricks with biocomposite phase change materials. The biocomposite phase change material employed in this work is made by impregnating organic phase change material (PCM), namely OM35, with biochar produced from the pyrolysis of water hyacinth (WH). The temperature profiles of the standard AAC brick and the PCM-impregnated brick are compared in this preliminary research conducted within a thermal chamber. The study concludes that the biocomposite PCM-impregnated brick is able to reduce temperature fluctuation, and a maximum temperature difference of 3 °C can be achieved while using biocomposite PCM brick as compared to standard AAC brick.