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Application d'un modèle continu de la conductivité thermique réelle aux systèmes glace-air.

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

Auteurs : WANG J. F., CARSON J. K., WILLIX J., et al.

Type d'article : Article, Article de la RIF, Étude de cas

Résumé

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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Format PDF

Pages : 556-561

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    20 €

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Détails

  • Titre original : Application of a co-continuous composite model of effective thermal conductivity to ice-air systems.
  • Identifiant de la fiche : 2009-0671
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 3
  • Date d'édition : 05/2009

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