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A comparative study on the environmental impact of supermarket refrigeration systems using low GWP refrigerants.

Étude comparative sur l'impact environnemental des systèmes frigorifiques de supermarché fonctionnant avec des frigorigènes à faible GWP.

Auteurs : BESHR M., AUTE V., SHARMA V., et al.

Type d'article : Article, Article de la RIF

Résumé

Supermarket refrigeration systems have high environmental impact due to their large refrigerant charge and high leak rates. Consequently, the interest in using low GWP refrigerants such as carbon dioxide (CO2) and new refrigerant blends is increasing. In this paper, an open-source Life Cycle Climate Performance (LCCP) framework is presented and used to compare the environmental impact of four supermarket refrigeration systems: a transcritical CO2 booster system, a cascade CO2/N-40 system, a combined secondary circuit with central DX N-40/L-40 system, and a baseline multiplex direct expansion system utilizing R-404A and N-40. The study is performed for different climates within the USA using EnergyPlus to simulate the systems' hourly performance. Further analyses are presented such as parametric, sensitivity, and uncertainty analyses to study the impact of different system parameters on the LCCP.

Documents disponibles

Format PDF

Pages : 154-164

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 : A comparative study on the environmental impact of supermarket refrigeration systems using low GWP refrigerants.
  • Identifiant de la fiche : 30014823
  • Langues : Anglais
  • Sujet : Environnement
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 56
  • Date d'édition : 08/2015

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