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Intégration innovante du stockage de chaleur latente dans un système de conditionnement d’air multi-split.
Novel integration of latent heat storage in multi-split air conditioning system.
Numéro : pap. n. 845
Auteurs : KORTH T., LOISTL F., SCHWEIGLER C.
Résumé
The increased use of renewable energy sources leads to a growing demand for storage systems. In heating and cooling huge potential is seen in latent heat storages (LHS). The innovation presented in this paper combines the advantages of a Variable-Refrigerant-Flow system (VRF-System) with those of the LHS, operating at constant temperature level. Loading and unloading of the LHS is realized by direct heat exchange with the refrigerant, which eliminates temperature losses by an intermediate heat carrier loop. Here an innovative coupling of the heat storage with two indoor units is described, with the aim of avoiding negative influence on the operating temperatures of the cycle. During loading the LHS is cooled by evaporation of refrigerant in parallel with the two indoor units, allowing for system operation at standard suction pressure. During unloading the storage serves as a condenser, connected in series between the two indoor units. Experimental investigations confirm the feasibility of the novel coupling concept.
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Détails
- Titre original : Novel integration of latent heat storage in multi-split air conditioning system.
- Identifiant de la fiche : 30026243
- Langues : Anglais
- Source : Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Date d'édition : 24/08/2019
- DOI : http://dx.doi.org/10.18462/iir.icr.2019.0845
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