Natural convection during ice formation: numerical simulation vs. experimental results
Abstract
A numerical and experimental study is presented of unsteady natural convection during freezing of water in a differentially heated cube shaped cavity. A boundary fitted grid as well as the enthalpy- porosity fixed grid numerical models are used in this study. Both numerical models show very good agreement with the experimental data only for pure convection and initial time of freezing process. As time passes the discrepancies between numerical predictions and the experiment became more significant. To elucidate these differences several numerical tests are performed, verifying assumptions made in the models.
References
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[2] J. Banaszek, M. Rebow, T.A. Kowalewski. Fixed grid finite element analysis of solidification. In: G. de Vahl Davis, E. Leonardi, eds., Advances in Computational Heat Transfer, 471-478. Begel House Inc., New York, 1998.
[3] J. Banaszek, Y. Jaluria, T.A. Kowalewski, M. Rebow. Semi-implicit FEM analysis of natural convection in freezing water. Num. Heat Transfer, Part A, 36: 449-472, 1999.
[4] O. Bertrand, B. Binet, H. Combeau, S. Coutier, Y. Delannoy, D. Gobin, M. Lacroix, P. Le Quere, M. Medale, J. Menciger, H. Sadat, G. Vieira. Melting driven by natural convection. A comparision exercise: first results. Int. J. Therm Sci., 38: 5-26, 1999.
[5] K.C. Cheng, Y.C. Yen. Historical and recent developments in the research of cold regions heat transfer. In: Proc. of 2nd Int. Symp. Cold Regions Heat Transfer, 1-25, 1989.
Published
2023-04-03
Issue
pp. 321-342
Section
Articles
License
Copyright © The Author(s).
This work is licensed under the Creative Commons Attribution 4.0 International CC BY 4.0.
How to Cite
Giangi, M., Kowalewski, T. A., Stella, F., & Leonardi, E. (2023). Natural convection during ice formation: numerical simulation vs. experimental results. Computer Assisted Methods in Engineering and Science, 7(3), 321-342. https://cames3.ippt.pan.pl/index.php/cames/article/view/1239
