Partager

Document IIF

Étude expérimentale et analyse numérique de thermocompresseurs munis de régénérateurs annulaires.

Experimental study and numerical analysis of thermocompressors with annular regenerators.

Auteurs : LIN W. Y., WU X. H., YANG J. L., et al.

Type d'article : Article, Article de la RIF

Résumé

The thermocompressor is capable to utilize thermal energy directly to product pressure wave for pulse tube refrigerator. To research its performance, an experimental system of a thermocompressor with an annular gap regenerator and its corresponding numerical model were established. Then the performance was measured with different heating temperatures, charge pressures and working fluids. The trends of the simulation results are consistent with the experimental ones, whereas the insufficient heat transfer between the gas and annular gap, and clearance volume should be responsible for the quantitative disparity. Therefore, a piston with wire-cut gaps has been designed, fabricated, and tested. With the new piston, the experimental results and the simulation show that the thermocompressor performance has been drastically improved. The analysis also shows that the optimum performance condition is gained when the total thermal penetration depth is approximate to the hydrodynamic radius, which provides a principle for better operation of thermocompressor.

Documents disponibles

Format PDF

Pages : 1376-1387

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Experimental study and numerical analysis of thermocompressors with annular regenerators.
  • Identifiant de la fiche : 30008125
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 4
  • Date d'édition : 06/2013

Liens


Voir d'autres articles du même numéro (21)
Voir la source

Indexation