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Régénérateur avec capacité thermique significative des fluides entraînés.

Regenerative heat exchangers with significant entrained fluid heat capacity.

Auteurs : NELLIS G. F., KLEIN S. A.

Type d'article : Article

Résumé

Entrained fluid heat capacity is shown to have a significant and positive effect on the performance of a passive regenerator. The ineffectiveness of the regenerator is presented as a function of three dimensionless parameters: the number of transfer units, the utilization, and the entrained fluid to matrix heat capacity ratio. Three different behaviours are observed for a regenerator with entrained fluid heat capacity. The effect of the entrained fluid can be accounted for over a large range of conditions using the concept of an augmented-NTU which can be substituted for the actual NTU in analyses that neglect entrained fluid capacity. [Reprinted with permission from Elsevier. Copyright, 2005].

Détails

  • Titre original : Regenerative heat exchangers with significant entrained fluid heat capacity.
  • Identifiant de la fiche : 2006-2156
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 49 - n. 1-2
  • Date d'édition : 01/2006

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