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Modelling of frost formation over parallel cold plates.

Author(s) : ISMAIL K. A. R., SALINAS C. S.

Type of article: Article, IJR article

Summary

This paper numerically evaluates some of the parameters involved in modelling the process of frost formation on flat cold surfaces subject to the flow of humid air. The model employs one-dimensional transient formulation based upon the local volume averaging technique. The modelling process was validated by comparison with available experimental data. Numerical experiments were realized to determine the best initial values of the diffusivity, initial ratios and geometry of the ice crystals. This model was applied to the known case of flow of humid air over a single flat cold plate to predict the frost temperature, density and thickness distribution along the flow direction and also the void fraction. The results were compared with available results in the literature. The model was the extended to solve the case of flow of humid air between two parallel cold plates for which there are no available results.

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Pages: 425-441

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Details

  • Original title: Modelling of frost formation over parallel cold plates.
  • Record ID : 2000-1758
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 22 - n. 5
  • Publication date: 1999/08

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