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Analyse thermodynamique d’un nouveau cycle combiné de production d’électricité et de froid comprenant des cycles frigorifiques à éjecteur et EKalina.

Thermodynamic analysis of a novel combined power and refrigeration cycle comprising of EKalina and ejector refrigeration cycles.

Auteurs : BEHNAM P., FAEGH M., SHAFII M. B.

Type d'article : Article, Article de la RIF

Résumé

A novel combined power and refrigeration cycle is introduced and analyzed from the thermodynamic standpoint. The proposed cycle is an integration of a Kalina cycle equipped with an ejector (EKalina) and an ejector refrigeration cycle (ERC). In order to enhance the overall cycle performance, the possibility of employing two-phase ejectors in combined power and refrigeration cycles is studied. A parametric anal- ysis is conducted to investigate the effects of the key thermodynamic parameters namely turbine inlet pressure, split ratio, basic ammonia concentration, heat source and evaporator temperatures on the cy- cle performance. The developed model is also verified with available data and it is indicated that the mentioned parameters have significant effects on the thermodynamic performance of the system. More- over, results indicate that the proposed cycle exhibits higher exergetic performance compared to former combined power and refrigeration cycles.

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Format PDF

Pages : 291-301

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  • Prix public

    20 €

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    Gratuit

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Détails

  • Titre original : Thermodynamic analysis of a novel combined power and refrigeration cycle comprising of EKalina and ejector refrigeration cycles.
  • Identifiant de la fiche : 30026588
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 104
  • Date d'édition : 08/2019
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2019.06.002

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