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Implications du givrage des serpentins sur la conception de systèmes pour des applications à basse température.

Implications of coil frosting on system designs for low-temperature applications.

Auteurs : CLELAND D. J.

Résumé

Using advanced models for air infiltration through doors plus standard models for other heat loads, and assuming that air cooling follows a straight line approach from the air-on condition to the saturation at the coil surface temperature, the load sensible heat ratio (SHR), coil SHR, and, hence, the balanced air relative humidity were estimated for a typical refrigerated facility with a warehouse, environmental loading area, and blast freezer. It was shown that unfavourable frost formation is likely to occur in low-temperature facilities even if ambient conditions are not that extreme and moisture entry is reduced by doorway protection.

Détails

  • Titre original : Implications of coil frosting on system designs for low-temperature applications.
  • Identifiant de la fiche : 2006-2397
  • Langues : Anglais
  • Source : ASHRAE Transactions. 2005 Winter Meeting. Volume 111, part 1 + CD-ROM.
  • Date d'édition : 2005

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