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Développement d'une pompe à chaleur eau-eau à performance élevée pour une application à source sol-eau.

Development of a high-performance water-to-water heat pump for ground-source application.

Auteurs : SHIBA Y., OOKA R., SEKINE K.

Résumé

A high-performance water-to-water heat pump for ground-source application was developed using a plate heat exchanger, a new type of compressor and refrigerant cycle with a liquid-gas heat exchanger. A performance design program used to compute the refrigerant cycle with a liquid-gas heat exchanger was created first. This simulation program could predict the heating/cooling capacity, electric power, and COP. This determined the surface area of the heat exchangers, compressor efficiency and displacement, etc. Second, a real heat pump was designed based on the results of the program, then built and tested to compare its performance with the simulation. As a result, a value of 5.5 was attained both for the cooling COP of the designed heat pump via the simulation and the measured cooling COP of the real heat pump.

Détails

  • Titre original : Development of a high-performance water-to-water heat pump for ground-source application.
  • Identifiant de la fiche : 2008-1796
  • Langues : Anglais
  • Source : ASHRAE Transactions. 2007 Annual Meeting, Long Beach, CA. Volume 113, part 2 + CD-ROM.
  • Date d'édition : 23/06/2007

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