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Utilisation de simples modèles de conductivité thermique pour évaluer la fiabilité de données mesurées de conductivité thermique.

Use of simple thermal conductivity models to assess the reliability of measured thermal conductivity data.

Auteurs : CARSON J. K.

Type d'article : Article, Article de la RIF

Résumé

Thermal conductivity data are important for modelling thermal processes and designing refrigeration systems. The literature contains a large number of data for food products, but many are questionable, whether due to typographical errors during publication, indirect measurement methods or inherent variability in the properties of the food itself. This paper describes a method by which the reliability of thermal conductivity data can be checked using simple thermal conductivity models and basic heat transfer theory, provided composition data for the foods is available, or may be assumed based on foods with similar composition. The method is applied to a variety of foods to serve as worked examples. It is recommended that these models be used to check the credibility of measured data before it is published, and also to check published data before it is used in any calculations.

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Format PDF

Pages : 456-462

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Détails

  • Titre original : Use of simple thermal conductivity models to assess the reliability of measured thermal conductivity data.
  • Identifiant de la fiche : 30020131
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 74
  • Date d'édition : 02/2017

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