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Performance aérodynamique des groupes de condensation refroidis à l'air.

Aerodynamic performance of air-cooled condensing units.

Auteurs : MELO C., POTTKER G., PEREIRA R. H.

Résumé

The aerodynamic performance of two condensing units is investigated in the paper. A testing facility was built according to AMCA 210-99 and used to evaluate the aerodynamic performance of condensing units as a whole, and also of their components, axial fans and condensers. Typical performance curves, such as fan static pressure vs. airflow rate, fan power input vs. airflow rate and condenser impedance vs. airflow rate, were obtained. The condensing unit operation point was also measured and compared to that obtained through the intersection of the fan and condenser characteristic curves. It was shown that the theoretical and measured operation points are practically the same only when the fan characteristic curve is obtained using the condensing unit wall ring.

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  • Prix public

    20 €

  • Prix membre*

    15 €

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Aerodynamic performance of air-cooled condensing units.
  • Identifiant de la fiche : 2007-1519
  • Langues : Anglais
  • Source : 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
  • Date d'édition : 17/07/2006

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