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Experimental investigation of a ground-coupled desiccant assisted air conditioning system

Citation Link: https://doi.org/10.15480/882.1774
Publikationstyp
Journal Article
Publikationsdatum
2016-08-31
Sprache
English
Author
Speerforck, Arne 
Schmitz, Gerhard 
Institut
Technische Thermodynamik M-21 
DOI
10.15480/882.1774
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/1777
Lizenz
https://creativecommons.org/licenses/by-nc-nd/4.0/
Enthalten in
Applied energy 
Volume
181
Start Page
575
End Page
585
Citation
Applied Energy (181): 575-585 (2016)
Publisher DOI
10.1016/j.apenergy.2016.08.036
Scopus ID
2-s2.0-84983591710
Publisher
Elsevier
In a pilot installation at Hamburg University of Technology the coupled operation of an open cycle desiccant assisted air conditioning system with borehole heat exchangers is investigated. The paper presents
experimental data recorded during the cooling period 2014. Results show that the electricity demand of the system can be reduced to the parasitic consumption of the fans, wheels and pumps. An electric energy efficiency ratio of 6.63 is achieved, enabling electricity savings of more than 70% compared to a conventional reference system and 54% compared to a desiccant assisted hybrid system relying on an electric chiller. Comfort conditions can be maintained during the whole cooling period. The borehole heat exchangers work highly efficient, exhibiting a seasonal performance factor of 192.
Schlagworte
desiccant wheel
air conditioning
borehole heat exchanger
experimental
DDC Class
600: Technik
Projekt(e)
EnOB: Eff-GSGK: Effizienzsteigerung der geothermisch- und sorptionsgestützten Klimaanlage 
Sorptionsgestützte Klimatisierung bei Nutzung oberflächennaher Geothermie 
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