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Vertical ground coupled steam ejector heat pump; thermal-economic modeling and optimization / Sepehr Sanaye in International journal of refrigeration, Vol. 34 N° 7 (Novembre 2011) 

Public ISBD [article]  in International journal of refrigeration > Vol. 34 N° 7 (Novembre 2011) . - pp. 1562-1576 Titre : Vertical ground coupled steam ejector heat pump; thermal-economic modeling and optimization Titre original : Pompe à chaleur à éjecteur de vapeur couplée sol-eau: modélisation et optimisation thermoéconomiques Type de document : texte imprimé Auteurs : Sepehr Sanaye, Auteur ; Behzad Niroomand, Auteur Année de publication : 2011 Article en page(s) : pp. 1562-1576 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Heat  pump  Ground-water  Ejector  system  Modelling  Simulation  Optimisation  Performance Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : A vertical ground coupled steam ejector heat pump is a Ground Coupled Heat Pump (GCHP) with closed Vertical Ground Heat eXchanger (VGHX) which utilizes the steam ejector type of refrigeration cycle instead of the vapor-compression type. This paper presents the modeling and optimizing a Ground-Coupled Steam Ejector Heat Pump (GC-SEHP) with closed VGHX. The system included two main sections of VGHX and steam ejector heat pump (SEHP), and was optimized by minimizing its total annual cost (TAC) as the objective function. Two optimization techniques (Nelder–Mead and Genetic Algorithm) were applied to guarantee the validity of optimization results. For the given heating/cooling loads as well as for various climatic conditions, the optimum design parameters of GC-SEHP with closed VGHX were predicted. Furthermore, the changes in TAC and optimum design parameters with the climatic conditions, cooling/heating capacity, soil type, and number of boreholes were discussed. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700710000502 [article] Vertical ground coupled steam ejector heat pump; thermal-economic modeling and optimization = Pompe à chaleur à éjecteur de vapeur couplée sol-eau: modélisation et optimisation thermoéconomiques [texte imprimé] / Sepehr Sanaye, Auteur ; Behzad Niroomand, Auteur . - 2011 . - pp. 1562-1576. Génie Mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 34 N° 7 (Novembre 2011) . - pp. 1562-1576 Mots-clés : Heat  pump  Ground-water  Ejector  system  Modelling  Simulation  Optimisation  Performance Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : A vertical ground coupled steam ejector heat pump is a Ground Coupled Heat Pump (GCHP) with closed Vertical Ground Heat eXchanger (VGHX) which utilizes the steam ejector type of refrigeration cycle instead of the vapor-compression type. This paper presents the modeling and optimizing a Ground-Coupled Steam Ejector Heat Pump (GC-SEHP) with closed VGHX. The system included two main sections of VGHX and steam ejector heat pump (SEHP), and was optimized by minimizing its total annual cost (TAC) as the objective function. Two optimization techniques (Nelder–Mead and Genetic Algorithm) were applied to guarantee the validity of optimization results. For the given heating/cooling loads as well as for various climatic conditions, the optimum design parameters of GC-SEHP with closed VGHX were predicted. Furthermore, the changes in TAC and optimum design parameters with the climatic conditions, cooling/heating capacity, soil type, and number of boreholes were discussed. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700710000502