Partager

Document IIF

Étude de l’influence de la friction sur la performance d’un éjecteur supersonique

Influence investigation of friction on supersonic ejector performance.

Auteurs : ZHANG H., WANG L., JIA L., et al.

Type d'article : Article, Article de la RIF

Résumé

The effects of internal surface roughness on ejector performance were investigated by dividing the ejector into five categories: the nozzle, suction chamber, mixing chamber, constant-area section and diffuser with the computational fluid dynamics (CFD) technique. Each section was analyzed with the experimental values obtained from the ejector refrigerant platform by using replaceable nozzles with different levels of roughness. It was ascertained that friction has a noticeable influence on the performance of the ejector; therefore, an increase in the roughness level will essentially lead to a decline in the ejector's working performance. Furthermore, the constant-area section and diffuser have the most significant impact on ejector performance. The correlations regarding the friction influence for numerical calculations and the polishing process of ejector manufacturing are also essentially discussed.

Documents disponibles

Format PDF

Pages : 229-239

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 : Influence investigation of friction on supersonic ejector performance.
  • Identifiant de la fiche : 30022855
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 85
  • Date d'édition : 01/2018
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2017.09.028

Liens


Voir d'autres articles du même numéro (36)
Voir la source

Indexation