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Title: Thermal properties of the ground in Cyprus and their correlations and effect on the efficiency of ground heat exchangers
Authors: Florides, Georgios A. 
Iosif-Stylianou, Iosifina 
Zomeni, Zomenia 
Tsiolakis, E. 
Pouloupatis, Panayiotis 
Kalogirou, Soteris A. 
Christodoulides, Paul 
Messaritis, Vassilios 
Panayiotou, Gregoris 
Theofanous, Elisavet 
Keywords: Ground heat exchangers;Ground thermal conductivity;Ground thermal diffusivity;Ground thermal properties
Category: Electrical Engineering - Electronic Engineering - Information Engineering;Environmental Engineering
Field: Engineering and Technology
Issue Date: 2014
Source: XII International Conference on Energy Systems Engineering and Technology, 2014, New York, USA, 5-6 June
Conference: International Conference on Energy Systems Engineering and Technology 
Abstract: Ground Coupled Heat Pumps (GCHPs) exploit effectively the heat capacity of the ground, with the use of Ground Heat Exchangers (GHE). Depending on the mode of operation of the GCHPs, GHEs dissipate or absorb heat from the ground. For sizing the GHE the thermal properties of the ground need to be known. This paper gives information about the density, thermal conductivity, specific heat and thermal diffusivity of various lithologies encountered in Cyprus with various relations between these properties being examined through comparison and modeling. The results show that the most important correlation is the one encountered between thermal conductivity and thermal diffusivity with both properties showing similar response to the inlet and outlet flow temperature of vertical and horizontal heat exchangers.
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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