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Étude expérimentale des frottements de l’air dans une batterie de serpentins en V.

Experimental study on air friction in V-shaped coil bank.

Numéro : 2112

Auteurs : YU J.

Résumé

In this study, the air friction from a V-shape coil bank as well as a slab coil from the coil bank was measured at a range of face velocities from 100 to 1000 FPM (0.51 to 5.08m/s) in an open environment. The angle of the V-shape’s apex was measured at 15 to 60 deg. The results were then compared with those of a slab coil. In general, higher face velocity caused higher air friction, as did increasing the apex angle’s acuteness. A visualization test showed a very different air flow direction and velocity profile on the coil’s front surface, which could explain the higher air friction from the V-shaped coil bank. These results will help improve the accuracy of fan selections in HVAC systems that feature V-shaped coil banks.

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Pages : 7 p.

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Détails

  • Titre original : Experimental study on air friction in V-shaped coil bank.
  • Identifiant de la fiche : 30032978
  • Langues : Anglais
  • Source : 2024 Purdue Conferences. 19th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Date d'édition : 17/07/2024

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