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For temperature and humidity independent control (THIC) air-conditioning systems that integrated liquid desiccant dehumidification technology, it is very good idea to use condensation heat of the vapor compression system for the liquid desiccant regeneration. However, the system is unable to work in situations of humid climate or high latent load, since the condensation heat may not satisfy the regeneration of the liquid desiccant. This paper proposed a novel THIC air-conditioning system based on liquid desiccant, in which liquid desiccant with low-concentration and low-temperature was used in air dehumidification, and the condensation heat could meet the need of the regeneration of desiccant solution. A validated mathematical model was used to investigate the performance of the novel system under different operation conditions. The results showed that under typical indoor condition in Nanjing summer, mass concentration range of 25.4―26.9% was suggested in the dehumidification process using LiCl-H2O, and the dehumidification temperature range of the desiccant was around 17―19 °C. The effects of the ratios of indoor sensible load to latent load, and the outdoor air temperature and humidity on the system performance were discussed. Performance comparisons showed that COPsys of the system was 13.6―116.1% more than that of the conventional system under different operation conditions.

Titel:	Performance analysis of a hybrid air-conditioning system dehumidified by liquid desiccant with low temperature and low concentration
Autor/in / Beteiligte Person:	YAO, CHEN ; YONGGAO, YIN ; XIAOSONG, ZHANG
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Zeitschrift:	Energy and buildings, Jg. 77 (2014), S. 91-102
Veröffentlichung:	Oxford: Elsevier, 2014
Medientyp:	academicJournal
Umfang:	print, 23 ref
ISSN:	0378-7788 (print)
Schlagwort:	Energy Énergie Civil engineering Génie civil Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Batiment. Travaux publics Buildings. Public works Calcul des constructions. Sollicitations Structural analysis. Stresses Méthodes de calcul. Tables. Abaques Computation methods. Tables. Charts Bâtiment Buildings Equipements techniques des bâtiments Building technical equipments Génie climatique Environmental engineering Ventilation. Conditionnement d'air Ventilation. Air conditioning Basse température Low temperature Baja temperatura Condensation Condensación Conditionnement air Air conditioning Acondicionamiento aire Consommation énergie Energy consumption Consumo energía Description système System description Descripción sistema Déshumidification Dehumidification Deshumedecimiento Déshydratant Desiccant Deshidratante Etude comparative Comparative study Estudio comparativo Evaluation performance Performance evaluation Evaluación prestación Modèle théorique Theoretical model Modelo teórico Modélisation Modeling Modelización Régénération Regeneration Regeneración Résultat mesure Measurement result Resultado medición Système hybride Hybrid system Sistema híbrido Air-conditioning Condensation heat Dehumidification at low temperature Liquid desiccant
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: School of Energy and Environment, Southeast University, Nanjing 210096, China ; Ministry of Education of Key Laboratory of Energy Thermal Conversion and Control, Southeast University, Nanjing 210096, China Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Building. Public works. Transport. Civil engineering

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Performance analysis of a hybrid air-conditioning system dehumidified by liquid desiccant with low temperature and low concentration