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Analyses of ice slurry formation using direct contact heat transfer

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  • Hawlader, M.N.A.
  • Wahed, M.A.

Abstract

In the present study, ice slurry is produced by direct contact heat transfer between water and a coolant, Fluroinert FC 84. An analytical model has been developed to predict the growth of ice around the injected supercooled coolant droplets, which involves phase change and heat transfer between layers. During the journey of the coolant droplets through the ice generator, detachment of ice layer formed on the droplets occurs. Equations have been development to describe the process of detachment. Experiments were performed to validate the model developed to predict the ice generation. Parametric studies were then carried out on ice growth rate for different variables, such as droplet diameters and initial liquid temperatures. Both droplet diameters and initial liquid temperatures play an important role in the ice formation around the supercooled liquid surface. Ice growth rate increases with the increase of the droplet diameter, while the growth rate decreases with the increase of the initial temperature of the liquid droplet. For an ice slurry system, it is found that the predicted values of ice slurry generation are in good agreement with the experimental findings.

Suggested Citation

  • Hawlader, M.N.A. & Wahed, M.A., 2009. "Analyses of ice slurry formation using direct contact heat transfer," Applied Energy, Elsevier, vol. 86(7-8), pages 1170-1178, July.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:7-8:p:1170-1178
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    Citations

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    Cited by:

    1. 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.
    2. Lu, W. & Tassou, S.A., 2012. "Experimental study of the thermal characteristics of phase change slurries for active cooling," Applied Energy, Elsevier, vol. 91(1), pages 366-374.
    3. Liu, Shengchun & Hao, Ling & Rao, Zhiming & Zhang, Xingxing, 2017. "Experimental study on crystallization process and prediction for the latent heat of ice slurry generation based sodium chloride solution," Applied Energy, Elsevier, vol. 185(P2), pages 1948-1953.
    4. 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.
    5. Vitorino, Nuno & Abrantes, João C.C. & Frade, Jorge Ribeiro, 2013. "Gelled graphite/gelatin composites for latent heat cold storage," Applied Energy, Elsevier, vol. 104(C), pages 890-897.
    6. Zhang, P. & Ma, Z.W., 2012. "An overview of fundamental studies and applications of phase change material slurries to secondary loop refrigeration and air conditioning systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(7), pages 5021-5058.

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