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Transient behaviour of a latent-heat thermal-energy store: numerical and experimental studies

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  • Silva, Pedro D.
  • Gonçalves, L. C.
  • Pires, L.

Abstract

The phase change material (PCM) considered is a commercial paraffin wax. The main enclosure that contains the wax has a rectangular geometry and is placed in a vertical position. One of the walls is heated at constant rate during the charge process and the other wall is cooled by an airflow stream during the discharge. To describe the performance of the store a one-dimensional model based on the enthalpy method is developed. An apparent specific heat of the PCM is determined using a differential scanning calorimeter (DSC). This parameter permits the enthalpy of the PCM to be determined, and linearized for the numerical model. The results show that the simplified numerical model can be used to predict, with reasonable accuracy the dynamic performance of this kind of heat exchange unit.

Suggested Citation

  • Silva, Pedro D. & Gonçalves, L. C. & Pires, L., 2002. "Transient behaviour of a latent-heat thermal-energy store: numerical and experimental studies," Applied Energy, Elsevier, vol. 73(1), pages 83-98, September.
    • Handle: RePEc:eee:appene:v:73:y:2002:i:1:p:83-98
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    References listed on IDEAS

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    1. Gonçalves, L.C.C. & Probert, S.D., 1993. "Thermal-energy storage: Dynamic performance characteristics of cans each containing a phase-change material, assembled as a packed-bed," Applied Energy, Elsevier, vol. 45(2), pages 117-155.
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    1. Dutil, Yvan & Rousse, Daniel R. & Salah, Nizar Ben & Lassue, Stéphane & Zalewski, Laurent, 2011. "A review on phase-change materials: Mathematical modeling and simulations," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(1), pages 112-130, January.
    2. Bose, Prabhu & Amirtham, Valan Arasu, 2016. "A review on thermal conductivity enhancement of paraffinwax as latent heat energy storage material," Renewable and Sustainable Energy Reviews, Elsevier, vol. 65(C), pages 81-100.
    3. Seddegh, Saeid & Wang, Xiaolin & Henderson, Alan D. & Xing, Ziwen, 2015. "Solar domestic hot water systems using latent heat energy storage medium: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 49(C), pages 517-533.
    4. Kravvaritis, E.D. & Antonopoulos, K.A. & Tzivanidis, C., 2011. "Experimental determination of the effective thermal capacity function and other thermal properties for various phase change materials using the thermal delay method," Applied Energy, Elsevier, vol. 88(12), pages 4459-4469.
    5. Laird, Cary & Kang, Ziliang & James, Kai A. & Alleyne, Andrew G., 2022. "Framework for integrated plant and control optimization of electro-thermal systems: An energy storage system case study," Energy, Elsevier, vol. 258(C).
    6. Xiao, X. & Zhang, P., 2015. "Numerical and experimental study of heat transfer characteristics of a shell-tube latent heat storage system: Part I – Charging process," Energy, Elsevier, vol. 79(C), pages 337-350.
    7. Agyenim, Francis & Hewitt, Neil & Eames, Philip & Smyth, Mervyn, 2010. "A review of materials, heat transfer and phase change problem formulation for latent heat thermal energy storage systems (LHTESS)," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(2), pages 615-628, February.
    8. Xu, Ben & Li, Peiwen & Chan, Cholik, 2015. "Application of phase change materials for thermal energy storage in concentrated solar thermal power plants: A review to recent developments," Applied Energy, Elsevier, vol. 160(C), pages 286-307.
    9. Pakrouh, R. & Hosseini, M.J. & Ranjbar, A.A. & Bahrampoury, R., 2017. "Thermodynamic analysis of a packed bed latent heat thermal storage system simulated by an effective packed bed model," Energy, Elsevier, vol. 140(P1), pages 861-878.
    10. Mostafavi Tehrani, S. Saeed & Shoraka, Yashar & Diarce, Gonzalo & Taylor, Robert A., 2019. "An improved, generalized effective thermal conductivity method for rapid design of high temperature shell-and-tube latent heat thermal energy storage systems," Renewable Energy, Elsevier, vol. 132(C), pages 694-708.
    11. Soares, N. & Gaspar, A.R. & Santos, P. & Costa, J.J., 2015. "Experimental study of the heat transfer through a vertical stack of rectangular cavities filled with phase change materials," Applied Energy, Elsevier, vol. 142(C), pages 192-205.
    12. Regin, A. Felix & Solanki, S.C. & Saini, J.S., 2008. "Heat transfer characteristics of thermal energy storage system using PCM capsules: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(9), pages 2438-2458, December.
    13. Alkilani, Mahmud M. & Sopian, K. & Alghoul, M.A. & Sohif, M. & Ruslan, M.H., 2011. "Review of solar air collectors with thermal storage units," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(3), pages 1476-1490, April.

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