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Méthode de calcul pour le refroidissement estival grâce à des panneaux rayonnants.

Calculation method for summer cooling with radiant panels.

Auteurs : CAUSONE F., CORGNATI S. P., FILIPPI M.

Résumé

Radiant panels achieved a growing success in the last years as a cooling system, because they guarantee improvement in comfort and energy saving. The aim of this paper is to propose a method to evaluate the thermal behaviour of radiant panels used for summer cooling. Experimental observations lead to notice that part of the radiant load hitting panels surface is directly removed by the refrigerating fluid (direct water load), never becoming a room load. In order to evaluate the role of this fraction of load on thermal balance, it has been developed a specific procedure deriving from the room transfer functions method. Through a lighting analysis tool it has been furthermore evaluated the direct water load due to solar radiation, the most important radiative load for typical office rooms, in function of geometrical configuration and surfaces reflection factors. The right understanding of the role played by direct water load on thermal behaviour of radiant panels may lead to a better design of this kind of cooling systems.

Détails

  • Titre original : Calculation method for summer cooling with radiant panels.
  • Identifiant de la fiche : 2008-2604
  • Langues : Anglais
  • Source : Clima 2007. WellBeing Indoors. Proceedings of the 9th REHVA World Congress [CD-ROM + Abstract book].
  • Date d'édition : 10/06/2007

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