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Document IIF

Recherche expérimentale comparée sur les coulis de glace et l'eau refroidie dans les systèmes de conditionnement d'air de confort.

Experimental comparative research on ice-slurry vs. cooled water in comfort air-conditioning systems.

Auteurs : DUMITRESCU R., ILIE A., CHIRIAC F.

Résumé

This paper reports experimental results of an ice-slurry system designed for comfort air conditioning. The cooling capacity of the system ranges from 3 to 7.5 kW. Ice-slurry is generated in a scraper-type generator that is part of a single stage compression system working with R-404A, as primary refrigerant. A mixture of ice-slurry, water, and talin (10% mass concentration) represents the secondary cooling medium. This was used in classical type heat exchanger namely a fan coil, made of copper, with the inner diameter of 9.0 mm, and aluminium fins, of 0.1 mm thickness. The experimental study aimed to comparatively analyze the operation of the system working with ice-slurry vs. cooled water, as the classical secondary cooling medium. The comparative study has been developed with regard to: overall heat transfer surface; working fluid mass flow rate; thermal performances. The conclusion of the paper is that ice-slurry represents a better option both from the energetic and indoor comfort points of view.

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Format PDF

Pages : 2009-2

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  • Prix public

    20 €

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    Gratuit

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Détails

  • Titre original : Experimental comparative research on ice-slurry vs. cooled water in comfort air-conditioning systems.
  • Identifiant de la fiche : 2009-1653
  • Langues : Anglais
  • Source : 3th Conference on Ammonia Refrigeration Technology. Proceedings: Ohrid, North Macedonia, May 7-9, 2009.
  • Date d'édition : 07/05/2009

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