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Numerical analysis of a cool-thermal storage system with a thermal conductivity enhancer operating under a freezing condition

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  • Alawadhi, Esam M.

Abstract

Enhancing the cooling process of water in a cool-thermal storage system is investigated in this paper. The system is utilized to cool air during on-peak power consumption hours to save energy. The system consists of parallel plates filled with water and triangular corrugated fins. A finite element model for the system is used to predict the cooling time of water for different water's initial temperatures, and also to study the effect of fins design on the cooling process. The result indicates that the aspect ratio of the triangular fin has a significant effect the cooling process of water, and cooling rate increases for the aspect ratio greater or less than 0.75. Temperature contours, average water temperature, and Nusselt number are presented for the cooling process.

Suggested Citation

  • Alawadhi, Esam M., 2008. "Numerical analysis of a cool-thermal storage system with a thermal conductivity enhancer operating under a freezing condition," Energy, Elsevier, vol. 33(5), pages 796-803.
    • Handle: RePEc:eee:energy:v:33:y:2008:i:5:p:796-803
    DOI: 10.1016/j.energy.2008.01.011
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    References listed on IDEAS

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    1. Yeh, Ho-Ming & Ho, Chii-Dong, 1996. "Cool thermal discharges from ice melting with specified heat fluxes on the boundary," Energy, Elsevier, vol. 21(6), pages 455-461.
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    Cited by:

    1. Xia, L. & Zhang, P. & Wang, R.Z., 2010. "Numerical heat transfer analysis of the packed bed latent heat storage system based on an effective packed bed model," Energy, Elsevier, vol. 35(5), pages 2022-2032.
    2. Muñoz, J. & Martínez-Val, J.M. & Abbas, R. & Abánades, A., 2012. "Dry cooling with night cool storage to enhance solar power plants performance in extreme conditions areas," Applied Energy, Elsevier, vol. 92(C), pages 429-436.
    3. Tan, Hongbo & Li, Yanzhong & Tuo, Hanfei & Zhou, Man & Tian, Baocong, 2010. "Experimental study on liquid/solid phase change for cold energy storage of Liquefied Natural Gas (LNG) refrigerated vehicle," Energy, Elsevier, vol. 35(5), pages 1927-1935.

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