Simulation and performance optimization of finned tube gas cooler for trans-critical CO2 refrigeration system in Indian context / Dileep Kumar Gupta in International journal of refrigeration, Vol. 38 (Février 2014)  

Public ISBD [article]  inInternational journal of refrigeration > Vol. 38 (Février 2014) . - pp. 153–167 Titre : Simulation and performance optimization of finned tube gas cooler for trans-critical CO2 refrigeration system in Indian context Titre original : Simulation et optimisation de la performance du refroidisseur à gaz à tubes ailetés pour un système frigorifique transcritique au CO2 dans le contexte indien Type de document : texte imprimé Auteurs : Dileep Kumar Gupta, Auteur ; M.S. Dasgupta, Auteur Année de publication : 2014 Article en page(s) : pp. 153–167 Note générale : Refrigeration Langues : Anglais (eng) Mots-clés : Gas cooler  CO2 refrigeration systems  Trans-critical refrigeration  Finned tube gas Approach temperature Résumé : This paper analyzes trans-critical CO2 refrigeration system in typical Indian conditions and the challenges associated with it. A mathematical model for air cooled finned tube gas cooler is developed, validated and used for the performance analysis at various design and operating conditions. A combination of input parameters is employed anticipating that it will enhance heat transfer, reduce the approach temperature and eventually improve the COP of refrigeration system. As the paper reiterates the success of CO2 as refrigerant, it emphasizes upon operating parameters that are based on local environmental conditions for best possible performance of overall system including fan power consumption. Thus the paper help to formulate design guidelines for optimized performance of gas cooler at different ambient temperatures. En ligne : http://www.sciencedirect.com/science/article/pii/S0140700713002752 [article] Simulation and performance optimization of finned tube gas cooler for trans-critical CO2 refrigeration system in Indian context = Simulation et optimisation de la performance du refroidisseur à gaz à tubes ailetés pour un système frigorifique transcritique au CO2 dans le contexte indien [texte imprimé] / Dileep Kumar Gupta, Auteur ; M.S. Dasgupta, Auteur . - 2014 . - pp. 153–167. Refrigeration Langues : Anglais (eng) in International journal of refrigeration > Vol. 38 (Février 2014) . - pp. 153–167 Mots-clés : Gas cooler  CO2 refrigeration systems  Trans-critical refrigeration  Finned tube gas Approach temperature Résumé : This paper analyzes trans-critical CO2 refrigeration system in typical Indian conditions and the challenges associated with it. A mathematical model for air cooled finned tube gas cooler is developed, validated and used for the performance analysis at various design and operating conditions. A combination of input parameters is employed anticipating that it will enhance heat transfer, reduce the approach temperature and eventually improve the COP of refrigeration system. As the paper reiterates the success of CO2 as refrigerant, it emphasizes upon operating parameters that are based on local environmental conditions for best possible performance of overall system including fan power consumption. Thus the paper help to formulate design guidelines for optimized performance of gas cooler at different ambient temperatures. En ligne : http://www.sciencedirect.com/science/article/pii/S0140700713002752

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