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A propane water-to-water heat pump booster for sanitary hot water production: seasonal performance analysis of a new solution optimizing COP.

Une pompe à chaleur eau-eau au propane en appoint pour la production d'eau chaude sanitaire : analyse de performance saisonnière d'une nouvelle solution permettant d'optimiser le COP.

Numéro : pap. ID51

Auteurs : TAMMARO M., MONTAGUD C., CORBERÁN J. M., et al.

Résumé

This work presents the analysis, modelling and optimization of a water-to-water propane heat pump booster (heat sink equal to 10 and 20°C) for domestic hot water production up to 60°C. This study is related to one of the case studies to be developed in the framework of an FP7 European Project, Next Heat Pump Generation Working With Natural Fluids (NxtHPG) which aims at the definition of five high efficiency heat pump prototypes working with natural fluids. To optimize the heat pump operation, its performance parameters were correlated as a function of the secondary fluid inlet temperature at both the evaporator and the condenser. The optimal operating points were identified in terms of optimal condensation pressure at different working conditions. In order to assess the unit, an integrated model of the system was developed in TRNSYS including the heat pump, the neutral loop, the controls and the thermal load. Results obtained led to the conclusion that in order to achieve high SPF an optimal control of the unit is needed.

Documents disponibles

Format PDF

Pages : 8 p.

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 propane water-to-water heat pump booster for sanitary hot water production: seasonal performance analysis of a new solution optimizing COP.
  • Identifiant de la fiche : 30012206
  • Langues : Anglais
  • Source : 11th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
  • Date d'édition : 02/08/2014

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