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Application of a co-continuous composite model of effective thermal conductivity to ice-air systems.

Author(s) : WANG J. F., CARSON J. K., WILLIX J., et al.

Type of article: Article, IJR article, Case study

Summary

Effective thermal conductivity measurements were performed for two ice-air systems (ice chips produced by a commercial ice-maker and synthetic snow) using a transient comparative technique. These systems were chosen because the ice fraction could be controlled, thereby de-coupling the problems of ice fraction and thermal conductivity prediction. None of the commonly used simple effective thermal conductivity models (specifically the series, parallel, two forms of the Maxwell-Eucken and effective medium theory models) provided adequate prediction accuracy over the full range of ice fractions in the experimental data. The best predictions were provided by a composite model that combined the effective medium theory structure and the recently developed co-continuous structure.

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Pages: 556-561

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Details

  • Original title: Application of a co-continuous composite model of effective thermal conductivity to ice-air systems.
  • Record ID : 2009-0671
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 3
  • Publication date: 2009/05

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