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A review on current status of capacity control techniques for two-phase ejectors.

Synthèse du statut actuel des techniques de régulation de la puissance pour les éjecteurs diphasiques.

Auteurs : GULLO P., KÆRN M. R., HAIDA M., ELBEL J. S.

Type d'article : Article de la RIF

Résumé

The adoption of highly efficient vapour-compression heating, ventilation, air conditioning and refrigeration (HVAC&R) systems is compulsory to achieve a low-carbon society. Expansion work recovery using a two-phase ejector is widely recognized as one of the most promising measures to improve the energy efficiency of HVAC&R units. This holds true for all operation conditions provided that an effective capacity control technique is implemented. In this work a thorough critical review on the current status of the presently available capacity control strategies for two-phase ejectors was carried out. In addition, their pros and cons as well as the comparison of their performance were reported. It was concluded that two-phase ejectors can be properly capacity controlled in large- and medium-scale vapour-compression units. However, a suitable capacity control mechanism for small-scale vapour-compression solutions still requires a major breakthrough and is being intensively discussed among experts in the field.

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Format PDF

Pages : 64-79

Disponible

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    15 €

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Détails

  • Titre original : A review on current status of capacity control techniques for two-phase ejectors.
  • Identifiant de la fiche : 30027774
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 119
  • Date d'édition : 11/2020
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2020.07.014

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