Experimental studies on air-cooled NH3–H2O based modified gax absorption cooling system / C.P. Jawahar in International journal of refrigeration, Vol. 34 N° 3 (Mai 2011)  

Public ISBD [article]  inInternational journal of refrigeration > Vol. 34 N° 3 (Mai 2011) . - pp. 658-666 Titre : Experimental studies on air-cooled NH3–H2O based modified gax absorption cooling system Titre original : Etudes expérimentales sur un système de refroidissement GAX modifié refroidi à l'air à absorption au NH3/H2O Type de document : texte imprimé Auteurs : C.P. Jawahar, Auteur ; R. Saravanan, Auteur Année de publication : 2011 Article en page(s) : pp. 658-666 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Absorption Air-cooled Ammonia–water COP Heat recovery Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : An experimental investigation on the performance of an air-cooled modified generator absorber heat exchange (GAX) absorption cooling system has been carried out and presented in this paper. The conventional system is modified by incorporating high pressure GAX, low pressure GAX, a solution cooler and an additional solution heat exchanger to reduce the heat input to the system. The system is designed for a cooling capacity of 10.5 kW using ammonia–water (NH3–H2O) as the working fluid. The performance of the system in terms of the circulation ratio, internal heat recovery and coefficient of performance (COP) has been obtained. The system is capable of producing a low evaporator temperature of −5 °C, at a sink temperature of 35 °C, under no load conditions. The results indicate that at a generator and evaporator temperature of 120 °C and 2 °C respectively, the system delivers a maximum cooling capacity of about 9.5 kW with a fuel and total COP of 0.61 and 0.57 respectively. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700710002653 [article] Experimental studies on air-cooled NH3–H2O based modified gax absorption cooling system = Etudes expérimentales sur un système de refroidissement GAX modifié refroidi à l'air à absorption au NH3/H2O [texte imprimé] / C.P. Jawahar, Auteur ; R. Saravanan, Auteur . - 2011 . - pp. 658-666. Génie Mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 34 N° 3 (Mai 2011) . - pp. 658-666 Mots-clés : Absorption Air-cooled Ammonia–water COP Heat recovery Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : An experimental investigation on the performance of an air-cooled modified generator absorber heat exchange (GAX) absorption cooling system has been carried out and presented in this paper. The conventional system is modified by incorporating high pressure GAX, low pressure GAX, a solution cooler and an additional solution heat exchanger to reduce the heat input to the system. The system is designed for a cooling capacity of 10.5 kW using ammonia–water (NH3–H2O) as the working fluid. The performance of the system in terms of the circulation ratio, internal heat recovery and coefficient of performance (COP) has been obtained. The system is capable of producing a low evaporator temperature of −5 °C, at a sink temperature of 35 °C, under no load conditions. The results indicate that at a generator and evaporator temperature of 120 °C and 2 °C respectively, the system delivers a maximum cooling capacity of about 9.5 kW with a fuel and total COP of 0.61 and 0.57 respectively. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700710002653

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