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Étude des compresseurs à vis pour des applications à faible taux de compression.

Investigation of screw compressors for low pressure ratio applications.

Numéro : A1-187

Auteurs : LU Y., KOVACEVIC A., READ M., BUCKNEY D., ENDO Y.

Résumé

Screw compressors have been widely investigated for many applications including air and process gas compression, and refrigeration systems. There is however a surprising lack of literature for low pressure ratio application of these machines, defined here as application requiring volume ratios in the range of 1-1.5. The aim of this paper is to characterise the loss mechanisms for oil injected screw compressors with low volume index (defined as the ratio of maximum to minimum volumes during the internal compression process), 𝑉𝑖. This knowledge will be applied in the future to identify appropriate optimisation of rotor profiles and porting geometry for a range of low-pressure ratio applications. The current study involves the use of chamber models to investigate the influence of wrap angles and porting. This initial analysis will be developed in future work to allow a detailed parametric study of the factors that limit the performance of low 𝑉𝑖 oil-injected screw compressors.

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Pages : 7

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Détails

  • Titre original : Investigation of screw compressors for low pressure ratio applications.
  • Identifiant de la fiche : 30028731
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 12th International Conference on Compressors and their Systems
  • Date d'édition : 09/2021
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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