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Applications de pompes à chaleur à absorption adaptées avec des puissance de chauffe supérieures à 500 kW.

Applications of customized absorption heat pumps with heating capacities above 500 kW.

Auteurs : KREN C., KEIL C., PLURA S., et al.

Résumé

In Munich, a solar-assisted local district heating system was installed in a new housing development with about 300 units. At this site, a seasonal hot water storage for the solar system of about 5700 m3 was erected. At the beginning of the heating season, it serves the local heating network directly, and afterwards, at a lower temperature level, it is utilized as a heat source for an absorption heat pump that is driven by the municipal district heating network. By that concept, two effects are accomplished: the available temperature change of the hot water storage is increased and the mean temperature of the solar system is decreased. Thus, an increase of the annual efficiency of the solar collectors and finally an increase of the annual solar gain is accomplished.

Détails

  • Titre original : Applications of customized absorption heat pumps with heating capacities above 500 kW.
  • Identifiant de la fiche : 2009-0843
  • Langues : Anglais
  • Source : ASHRAE Transactions. 2007 Winter Meeting. Volume 113, part 1 + CD-ROM.
  • Date d'édition : 27/01/2007

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