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Conception d'un compresseur à vis sans huile pour une pompe à chaleur ammoniac-eau.

Screw compressor for an ammonia-water heat pump lubricated by the process mixture.

Auteurs : ZAYTSEV D., INFANTE FERREIRA C. A.

Résumé

A prototype compressor for application in high-temperature compression-resorption heat pumps has been designed, manufactured and tested. The paper presents details of the compressor design together with test results obtained on the pilot plant. The compressor is of the twin-screw type. There is no oil present in the compressor working space; the rotors are lubricated by the process mixture of ammonia and water. A profile with low torque transfer was selected and a special friction reducing coating was applied to the rotors.

Détails

  • Titre original : Screw compressor for an ammonia-water heat pump lubricated by the process mixture.
  • Identifiant de la fiche : 2003-2028
  • Langues : Anglais
  • Source : 2002 Purdue conferences. 2002 compressor engineering & refrigeration and air conditioning conferences at Purdue [CD-ROM].
  • Date d'édition : 16/07/2002
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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