Document IIF
Analyse expérimentale d'un système de conditionnement d'air à déshydratant pour une serre horticole.
Experimental analysis of a desiccant-based air-conditioning system for a flower greenhouse.
Auteurs : LONGO G. A., GASPARELLA A., STORATO S.
Résumé
This paper presents an experimental comparative analysis between an innovative desiccant-based and a traditional air conditioning system for a flower greenhouse in winter season. The innovative air-conditioning system based on H2O-LiCl desiccant consists of a dehumidification unit in which the conditioned air is dehumidified by the strong desiccant solution and a regeneration unit in which the weak desiccant solution heated up by hot water is regenerated by scavenger air evolving in closed loop. A heat recovery is performed on the desiccant regeneration process. An auxiliary radiator driven by hot water completes the sensible heat needs of the greenhouse. In the traditional system the thermo-hygrometric control has been carried out by ventilation with outside air (latent load) and a radiator driven by hot water (sensible load). Two identical flower greenhouses working near Bergamo (Italy) have been equipped with a traditional and an innovative air conditioning system respectively. The experimental comparison shows a 10% average primary energy saving for the desiccant-based system with respect to the traditional one in the winter season. In addition, because the sanitising effect of desiccant and a more effective control of the humidity inside the greenhouse, the innovative system ensures also a consistent reduction in the use of pesticides with relevant economical and environmental advantages.
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Détails
- Titre original : Experimental analysis of a desiccant-based air-conditioning system for a flower greenhouse.
- Identifiant de la fiche : 30001305
- Langues : Anglais
- Source : Sources/sinks Alternative to the Outside Air for Heat Pump and Air-conditioning Techniques (Alternative Sources - AS), Padua, Italy, April 5-7, 2011. / International Sorption Heat Pump Conference (ISHPC11), Padua, Italy, April 6-8, 2011.
- Date d'édition : 06/04/2011
Liens
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Indexation
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Thèmes :
Equipements d'humidification/déshumidification;
Autres applications de conditionnement d'air;
Autres systèmes de production de froid (dessiccation, thermoélectricité, thermoacoustique...) - Mots-clés : Consommation d'énergie; Déshumidification; Comparaison; Mesure; Système à déshydratant; Serre; Fleur; Experimentation; Économie d'energie; Conditionnement d'air
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- Formats : PDF
Voir la fiche