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Document IIF

Synthèse et analyse de l'effet de la géométrie de l'éjecteur sur la performance d'éjecteurs diphasiques au CO2.

Review and analysis of the effect of ejector geometry on the performance of two-phase CO2 ejectors.

Numéro : pap. ID53

Auteurs : LAWRENCE N., ELBEL S.

Résumé

The use of two-phase ejectors with CO2 as the working fluid has received significant attention in recent years due to the fluid’s large potential for expansion work recovery. These two-phase ejector studies commonly focus on the performance of the ejector cycle, but less attention is generally given to the performance of the ejector itself. The geometry of the ejector has been found to have a significant impact on the performance of the ejector and the ejector cycle. This paper summarizes available literature on CO2 ejector geometries that have been found to offer favorable ejector performance and draws conclusions about what relations between various dimensions may lead to more favorable ejector performance. In order to gain further insight into how fluid properties affect the optimum geometry of an ejector, comparison is also made between the geometry of CO2 ejectors and the geometry of ejectors designed to work with other refrigerants.

Documents disponibles

Format PDF

Pages : 8 p.

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 : Review and analysis of the effect of ejector geometry on the performance of two-phase CO2 ejectors.
  • Identifiant de la fiche : 30012350
  • Langues : Anglais
  • Source : 11th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
  • Date d'édition : 02/08/2014

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