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Effect of Mushy Zone Parameter on Phase Change Behavior of Different Configurations Storage Unit: Numerical Simulation and Experimental Validation

Author

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  • Ahmed Saad Soliman

    (Mechanical Power Engineering Department, Mansoura University, El-Mansoura 35516, Egypt)

  • Ahmed A. Sultan

    (Mechanical Power Engineering Department, Mansoura University, El-Mansoura 35516, Egypt)

  • Mohamed A. Sultan

    (Mechanical Engineering Department, Higher Future Institute of Engineering and Technology, El-Mansoura 35516, Egypt)

Abstract

The melting process of paraffin wax placed in storage capsules of different shapes was experimentally and numerically studied. The phase change material (PCM) was initially at 27 °C. The effect of the mushy zone parameter (A mush ) value on the melting process of the PCM was studied with storage capsules of different shapes (circular, vertical oval, and horizontal oval). The results of the numerical model were validated with the experimental results to obtain the optimum A mush value for each shape of the latent heat storage unit. The results showed that the value of the A mush has a great impact on the numerical results of the PCM melting process and changes with the shape of the storage capsule. The rate of heat transfer, convection, and fluid velocity all decrease as the A mush value rises. The experimental results of the circular, vertical oval, and horizontal oval capsules match very well with the numerical model with A mush values equal to 2 × 10 6 , 1 × 10 5 , and 1 × 10 6 , respectively.

Suggested Citation

  • Ahmed Saad Soliman & Ahmed A. Sultan & Mohamed A. Sultan, 2022. "Effect of Mushy Zone Parameter on Phase Change Behavior of Different Configurations Storage Unit: Numerical Simulation and Experimental Validation," Sustainability, MDPI, vol. 14(21), pages 1-18, November.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:21:p:14540-:d:964010
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    References listed on IDEAS

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    1. Kousksou, T. & Mahdaoui, M. & Ahmed, A. & Msaad, A. Ait, 2014. "Melting over a wavy surface in a rectangular cavity heated from below," Energy, Elsevier, vol. 64(C), pages 212-219.
    2. Nithyanandam, K. & Pitchumani, R., 2014. "Design of a latent thermal energy storage system with embedded heat pipes," Applied Energy, Elsevier, vol. 126(C), pages 266-280.
    3. Dhaidan, Nabeel S. & Khodadadi, J.M., 2015. "Melting and convection of phase change materials in different shape containers: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 43(C), pages 449-477.
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    1. Ikeleji, Raymond O. & Bello-Ochende, Tunde, 2024. "Numerical simulation of a thermal energy storage system using sunrise and sunset transient temperature models," Renewable Energy, Elsevier, vol. 227(C).
    2. Zhang, Tao & Huo, Dongxin & Wang, Chengyao & Shi, Zhengrong, 2023. "Review of the modeling approaches of phase change processes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 187(C).

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