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Document IIF

Nouveau type d’échangeur de chaleur à haute efficacité énergétique pour les meubles de vente à froid indirect. Essais sur le terrain et en laboratoire.

New type of energy efficient heat exchanger for indirectly cooled display cabinets. Laboratory and fields tests.

Numéro : pap. 28

Auteurs : HAGLUND STIGNOR C., TILJANDER P., LINDBERG U., et al.

Résumé

In this study, a completely new type of air-to-liquid heat exchanger, adapted for obtaining good heat transfer performance even at a laminar flow regime on the liquid side has been evaluated in a display cabinet application. The heat exchanger consists of parallel plates, with liquid in every second passage and air in the other passages. Tests were performed with a traditional open vertical display cabinet, first with a traditional finned-tube coil and thereafter with the new type of heat exchanger, both in a climate chamber and thereafter in the field. The results from both tests showed that the liquid inlet temperature could be increased by around 6°C, from the range -8°C - - 7°C with the traditional coil to the range -2°C - - 1°C with the new type of heat exchanger, which can lead to considerable energy savings and operation without the need for defrosting of the heat exchanger.

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Format PDF

Pages : 9

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Détails

  • Titre original : New type of energy efficient heat exchanger for indirectly cooled display cabinets. Laboratory and fields tests.
  • Identifiant de la fiche : 30023376
  • Langues : Anglais
  • Source : 5th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Beijing, Chine, 6-8 avril 2018
  • Date d'édition : 06/04/2018
  • DOI : http://dx.doi.org/10.18462/iir.iccc.2018.0028

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