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Thermal Response of Mortar Panels with Different Forms of Macro-Encapsulated Phase Change Materials: A Finite Element Study

Author

Listed:
  • Sih Ying Kong

    () (School of Engineering, Monash University Malaysia, Bandar Sunway 47500, Malaysia)

  • Xu Yang

    () (Department of Civil Engineering, Monash University, Clayton, Victoria 3800, Australia)

  • Suvash Chandra Paul

    () (School of Engineering, Monash University Malaysia, Bandar Sunway 47500, Malaysia)

  • Leong Sing Wong

    () (Department of Civil Engineering, Universiti Tenaga Nasional, Kajang 43000, Malaysia)

  • Branko Šavija

    () (Microlab, Faculty of Civil Engineering and Geosciences, Delft University of Technology, 2628CN Delft, The Netherlands)

Abstract

This paper presents a numerical investigation of thermal response of mortar panels, incorporating macro-encapsulated paraffin in different forms. Two types of macro capsules were fabricated and tested in this study using an instrumented hot plate device. The experimental results show that macro encapsulated paraffin reduced the temperature and increased time lag in the mortar panels due to the latent heat capacity of paraffin. Finite element models adopting the effective heat capacity method to model phase change effects were able to capture the overall thermal response of panels incorporated with paraffin well. Then, a parametric study was conducted using the validated finite element (FE) modelling technique to investigate the effects of different forms of macro capsules, the quantity of paraffin and the position of macro capsules. It was found that the tube and sphere macro capsules showed similar thermal responses, while the plate shaped capsules may cause a non-uniform temperature distribution in mortar panels. The quantity and position of paraffin have significant effects on the thermal response of the mortal panels. A higher paraffin content results in a significantly longer temperature lag and a lower temperature during the phase transition of paraffin. Furthermore, placing the paraffin away from the heating face can cause a longer temperature lag on the other face, which is desirable for building façade applications.

Suggested Citation

  • Sih Ying Kong & Xu Yang & Suvash Chandra Paul & Leong Sing Wong & Branko Šavija, 2019. "Thermal Response of Mortar Panels with Different Forms of Macro-Encapsulated Phase Change Materials: A Finite Element Study," Energies, MDPI, Open Access Journal, vol. 12(13), pages 1-15, July.
  • Handle: RePEc:gam:jeners:v:12:y:2019:i:13:p:2636-:d:246942
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    References listed on IDEAS

    as
    1. Jin, Xing & Medina, Mario A. & Zhang, Xiaosong, 2013. "On the importance of the location of PCMs in building walls for enhanced thermal performance," Applied Energy, Elsevier, vol. 106(C), pages 72-78.
    2. Cui, Hongzhi & Tang, Waiching & Qin, Qinghua & Xing, Feng & Liao, Wenyu & Wen, Haibo, 2017. "Development of structural-functional integrated energy storage concrete with innovative macro-encapsulated PCM by hollow steel ball," Applied Energy, Elsevier, vol. 185(P1), pages 107-118.
    3. D'Alessandro, Antonella & Pisello, Anna Laura & Fabiani, Claudia & Ubertini, Filippo & Cabeza, Luisa F. & Cotana, Franco, 2018. "Multifunctional smart concretes with novel phase change materials: Mechanical and thermo-energy investigation," Applied Energy, Elsevier, vol. 212(C), pages 1448-1461.
    4. Lee, Kyoung Ok & Medina, Mario A. & Raith, Erik & Sun, Xiaoqin, 2015. "Assessing the integration of a thin phase change material (PCM) layer in a residential building wall for heat transfer reduction and management," Applied Energy, Elsevier, vol. 137(C), pages 699-706.
    5. Alam, Tanvir E. & Dhau, Jaspreet S. & Goswami, D. Yogi & Stefanakos, Elias, 2015. "Macroencapsulation and characterization of phase change materials for latent heat thermal energy storage systems," Applied Energy, Elsevier, vol. 154(C), pages 92-101.
    6. Wi, Seunghwan & Jeong, Su-Gwang & Chang, Seong Jin & Lee, Jongki & Kim, Sumin, 2017. "Evaluation of energy efficient hybrid hollow plaster panel using phase change material/xGnP composites," Applied Energy, Elsevier, vol. 205(C), pages 1548-1559.
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    More about this item

    Keywords

    phase change materials; macro capsules; mortar; finite element (FE) analysis;

    JEL classification:

    • Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics
    • Q0 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General
    • Q4 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy
    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General
    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices
    • Q42 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Alternative Energy Sources
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy
    • Q47 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy Forecasting
    • Q48 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Government Policy
    • Q49 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Other

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