IIR document
Numerical simulation of water solidification in square ice trays: A simplified enthalpic formulation.
Number: pap. n. 78
Author(s) : LOYOLA F. R., BARBOZA L., HERMES C. J. L.
Summary
Water solidification inside hermetic two-dimensional rectangular cavities is modelled and simulated in the present work aiming at household ice making. A new enthalpic formulation based upon the first-principles of mass, energy and momentum conservation together with the definition of the liquid fraction was developed to track the mushy region interface, where the phase change takes place. The proposed methodology was verified against a classic analytical solution for phase change problems with the numerical predictions following closely the theoretical trends. Finally, household ice making through ice trays is assessed to figure out not only the time required for complete solidification, but also the amount of energy removed in the process. It was observed an increase in the production rate by 35% when a plastic tray is replaced by a thin metal one.
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Details
- Original title: Numerical simulation of water solidification in square ice trays: A simplified enthalpic formulation.
- Record ID : 30025955
- Languages: English
- Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Publication date: 2019/08/24
- DOI: http://dx.doi.org/10.18462/iir.icr.2019.0078
Links
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Indexing
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Themes:
Thermodynamics and changes of state;
Ice manufacture - Keywords: Ice; Household application; Solidification; Simulation; Enthalpy; Water
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