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Pompes à chaleur générant de la vapeur d'eau et utilisant des compresseurs centrifuges multiétagés pour les applications industrielles.

Steam-generating heat pumps using multi-stage centrifugal compressors for industrial applications.

Auteurs : SHIBATA T., HATAMIYA S., KUSUMOTO H.

Résumé

Feasibility of steam-generating heat pumps for industrial applications is investigated. The heat pump system uses water as refrigerant, and it includes a multi-stage centrifugal compressor with water atomization cooling at the intra-stage of the compressor. A component test apparatus is developed to validate design methodology of steam compressor operating under high negative pressures (less than 20 kPa absolute) and to check the effectiveness of water atomization cooling. Test results show that compressor performance satisfies the system requirements, and that water atomization cooling can lower steam temperature effectively.

Détails

  • Titre original : Steam-generating heat pumps using multi-stage centrifugal compressors for industrial applications.
  • Identifiant de la fiche : 2009-0848
  • Langues : Anglais
  • Source : 9th IEA Heat Pump Conference 2008: advances and prospects in technology, applications and markets. Conference proceedings [CD-ROM + abstracts].
  • Date d'édition : 20/05/2008

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