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Document IIF

Conception et mise en service d’un banc d’essai modulaire multi-étagé à deux évaporateurs de CO2 transcritique.

Design and commissioning of a modular multi-stage two-evaporator transcritical CO2 test stand.

Auteurs : BARTA R. B., ZIVIANI D., GROLL E. A.

Type d'article : Article de la RIF

Résumé

As the adverse effects of global warming become increasingly apparent, the need for low-GWP solutions in the HVAC&R industry is its highest in decades. Alternative working fluids, including natural refrigerants such as Carbon Dioxide (CO2), and high efficiency systems are ways to mitigate the negative environmental impact of refrigeration systems. Researchers have focused on investigating several transcritical CO2 cycles for supermarket and transport applications. Yet, a systematic experimental comparison between multiple advanced cycle architectures is still lacking. To this end, a novel test stand capable of comparing two methods of expansion as well as open-economization at one or both evaporator pressure levels, allowing six cycle configurations that represent much of the state-of-the-art has been developed. Cycle designs, thermodynamic modeling for component sizing, and experimental validation of test stand operation and energy balances are discussed in-depth. Limitations and modifications to the test stand are discussed, as are next steps.

Documents disponibles

Format PDF

Pages : 392-403

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 : Design and commissioning of a modular multi-stage two-evaporator transcritical CO2 test stand.
  • Identifiant de la fiche : 30029097
  • Langues : Anglais
  • Sujet : Technologie
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 130
  • Date d'édition : 10/2021
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2021.05.033
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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