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Evaluation expérimentale de la performance thermique d'un régénérateur Gifford-McMahon à l'aide d'un modèle de conduction radiale.

Experimental evaluation of thermal performance of Gifford-McMahon regenerator using an improved single-blow model with radial conduction.

Auteurs : CHANG Z. C., HUNG M. S., DING P. P., et al.

Type d'article : Article

Résumé

In the study, a test facility was established to conduct the single-blow measurement for evaluating the thermal performance of the regenerator with large NTU values (number of transfer units superior or equal to 150). A comparison on the NTU value between this improved model and two prior models is shown. Empirical correlations were presented to show the relationships of the friction factor and the Nusselt number vs. the Reynolds number for the test regenerator.

Détails

  • Titre original : Experimental evaluation of thermal performance of Gifford-McMahon regenerator using an improved single-blow model with radial conduction.
  • Identifiant de la fiche : 2000-0741
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 42 - n. 3
  • Date d'édition : 02/1999

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