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Performance evaluation and optimal design of supermarket refrigeration systems with supermarket model “SuperSim”. Part II: Model applications in Revue internationale du froid, vol 34, issue 2 (mars 2011)
[article]
Titre : Performance evaluation and optimal design of supermarket refrigeration systems with supermarket model “SuperSim”. Part II: Model applications Titre original : Evaluation de la performance et conception optimale de systèmes frigorifiques pour supermarchés à l'aide du modèle ≪ SuperSim ≫. Partie II : applications du modèle Type de document : texte imprimé Année de publication : 2012 Article en page(s) : pp. 540–549 Langues : Anglais (eng) Français (fre) Catégories : 621.5 : Technique pneumatique, du vide, des basses températures Mots-clés : Supermarché; Modèle; Dioxyde de carbone; R404A; Régulation; Comparaison Index. décimale : 621.56 Technique des basses températures : réfrigération, pompe à chaleur Résumé : As described in Part I, the supermarket simulation software “SuperSim” with its integrated refrigeration, building and HVAC system models, can be used to evaluate, compare and optimize alternative supermarket refrigeration systems. In Part II the model was used to evaluate and compare the performance of a CO2 booster refrigeration system with that of a conventional R404A multiplex system in a supermarket application. Floating head pressure control was implemented for both systems when they were in subcritical cycles. For the CO2 system, when the system was in transcritical cycle due to higher ambient air temperature, the head pressure was optimized through extensive thermodynamic cycle analysis as a function of ambient air temperature. The performance of the CO2 booster system in the supermarket was then simulated during a one year period and compared with that of the R404A system. As a result, the system performance will benefit from a lower ambient temperature and a sizeable heat recovery for the CO2 system
in Revue internationale du froid > vol 34, issue 2 (mars 2011) . - pp. 540–549[article] Performance evaluation and optimal design of supermarket refrigeration systems with supermarket model “SuperSim”. Part II: Model applications = Evaluation de la performance et conception optimale de systèmes frigorifiques pour supermarchés à l'aide du modèle ≪ SuperSim ≫. Partie II : applications du modèle [texte imprimé] . - 2012 . - pp. 540–549.
Langues : Anglais (eng) Français (fre)
in Revue internationale du froid > vol 34, issue 2 (mars 2011) . - pp. 540–549
Catégories : 621.5 : Technique pneumatique, du vide, des basses températures Mots-clés : Supermarché; Modèle; Dioxyde de carbone; R404A; Régulation; Comparaison Index. décimale : 621.56 Technique des basses températures : réfrigération, pompe à chaleur Résumé : As described in Part I, the supermarket simulation software “SuperSim” with its integrated refrigeration, building and HVAC system models, can be used to evaluate, compare and optimize alternative supermarket refrigeration systems. In Part II the model was used to evaluate and compare the performance of a CO2 booster refrigeration system with that of a conventional R404A multiplex system in a supermarket application. Floating head pressure control was implemented for both systems when they were in subcritical cycles. For the CO2 system, when the system was in transcritical cycle due to higher ambient air temperature, the head pressure was optimized through extensive thermodynamic cycle analysis as a function of ambient air temperature. The performance of the CO2 booster system in the supermarket was then simulated during a one year period and compared with that of the R404A system. As a result, the system performance will benefit from a lower ambient temperature and a sizeable heat recovery for the CO2 system