Journal
JOURNAL OF ENERGY STORAGE
Volume 50, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.est.2022.104605
Keywords
Phase change material; Building brick; Simplified model; Year-long simulation
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This study investigates the application of phase change materials (PCM) in building materials through simulation and experimental validation. The results show that using PCM can enhance the thermal properties of building materials, decrease peak loads, and save energy. Among the different PCM types, n-Eicosane shows the best performance with an energy saving of 18.69%.
Recently, embedding phase change materials (PCMs) within building walls have attracted significant attention as an energy-saving technique. However, year-long analysis requires further investigation. Therefore, this study proposes two different models, that is, simulated and validated with experimental results using data from the literature. Analysis for one year is conducted to estimate the energy-saving using PCM in building brick. Energy assessment of a common brick filled with PCM is investigated. The effect of using different PCM types and arrangements is evaluated. The results show that integrating PCM to the block enhances the thermal properties of building materials by modifying the thermal storage ability of the wall materials and decreasing and shifting the peak load on the building. Using n-Eicosane as a PCM shows the lowest maximum temperature of 37.86 ? with the peak indoor heat flux decreased by 29% and shifted by 9.28%. Moreover, one-year simulations reduce the average indoor surface temperature by 1.5% using PCM with an 8% reduction in total energy transfer. Additionally, n-Eicosane gives the highest energy saving of 18.69% compared to other types of PCM and configurations. Also, results show that horizontal wall orientation received the highest value of heat gain during the day.
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