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Fusion d'un matelas dispersant granuleux en convection horizontale forcée en condition de non équilibre thermique. 1. Etude expérimentale.

Non-thermal equilibrium melting of granular packed bed in horizontal forced convection. 1. Experiment.

Auteurs : HAO Y. L., TAO Y. X.

Type d'article : Article

Résumé

A series of experiments were conducted in order to investigate the non-thermal equilibrium characteristics of melting of a packed bed under horizontal forced and mixed convections. Using visualization observations and measurements, the authors determined experimentally the volumes and packing patterns of the melting granular packed beds and the time variation of average melting rate per unit bed volume and average heat transfer coefficient. The effects of water velocity and water temperature on the melting and heat transfer in the melting process were analysed. The effects of packing patterns on Nusselt number correlations are presented. Using the definition of a terminal velocity, a Reynolds number ratio is developed as the criterion defining the floating, non-floating or transitional packing pattern. (See also this Bulletin, reference 2004 - 0586).

Détails

  • Titre original : Non-thermal equilibrium melting of granular packed bed in horizontal forced convection. 1. Experiment.
  • Identifiant de la fiche : 2004-0585
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 46 - n. 26
  • Date d'édition : 12/2003

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