Publisher DOI: 10.1080/23744731.2015.1015382
Title: Integration of an adsorption chiller in an open-cycle desiccant-assisted air-conditioning system
Language: English
Authors: Speerforck, Arne 
Schmitz, Gerhard 
Issue Date: 21-Apr-2015
Source: Science and Technology for the Built Environment 3 (21): 375-383 (2015-01-01)
Abstract (english): 
In a pilot installation at HamburgUniversity ofTechnology, the coupled operation of an open-cycle desiccant-assisted air-conditioning system with an adsorption chiller in combination with cooling ceilings to remove sensible loads is investigated. This article presents experimental results of the year 2013 with a special focus on the performance of the adsorption chiller. Furthermore, the system is compared to two reference systems relying on vapor compression chillers. The average thermal coefficient of performance of the adsorption chiller during the investigated period is satisfying (COPth = 0.54), while the average electrical coefficient of performance does not meet expectations (COPel = 6.2). The fan control of the dry cooler can be identified as a main cause for the non-satisfying electrical performance. However, depending on the heat supply, considerable primary energy savings are possible through the investigated system, and the advantages of combined heat and power (CHP) engines can be extended to the summer period.
Conference: International Sorption Heat Pump Conference (ISHPC 2014) 
ISSN: 2374-474X
Journal: Science and technology for the built environment 
Institute: Technische Thermodynamik M-21 
Document Type: Article
Project: Sorptionsgestützte Klimatisierung bei Nutzung oberflächennaher Geothermie 
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