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Title: Testing of a ground coupled heat pump
Authors: Kalogirou, Soteris A. 
Florides, Georgios A. 
Messaritis, Vassilios 
Kalogirou, Soteris A. 
Florides, Georgios A. 
Kalogirou, Soteris A. 
Florides, Georgios A. 
Keywords: Heat pumps;Energy conversion;Evaporators
Category: Environmental Engineering
Field: Engineering and Technology
Issue Date: 2010
Publisher: IET
Source: IET Conference Publications, 2010,
Abstract: A Ground Coupled Heat Pump (GCHP) exploits the ground thermal capacity and the difference in temperature between ambient air and ground with the aid of Ground Heat Exchangers (GHE) for improving its efficiency. The main interest of this study is to determine the efficiency of a ground coupled heat pump used for the acclimatization of a typical office in the Athalassa region, Nicosia, Cyprus and investigate how its efficiency is affected by the operating conditions. The data collection was done in October, 2008 and January, 2009. In summer the results clearly indicate that there is a significant improvement in the sensible capacity over the input power ratio from about 2 to 2.52 when the cooling temperature of the condenser drops from 36.5°C to 22.4°C. In winter, the COP of the pump is 3.6 when the temperature of the evaporator is about 22°C. Significant savings in power can result when GCHPs are used instead of the air-cooled systems.
ISBN: 978-184919319-1
DOI: 10.1049/cp.2010.0872
Rights: © The Institution of Engineering and Technology
Type: Book Chapter
Appears in Collections:Κεφάλαια βιβλίων/Book chapters

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