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RSS FeedsEnergies, Vol. 13, Pages 1752: Measurement and Verification of Integrated Ground Source Heat Pumps on a Shared Ground Loop (Energies)

 
 

6 april 2020 16:00:23

 
Energies, Vol. 13, Pages 1752: Measurement and Verification of Integrated Ground Source Heat Pumps on a Shared Ground Loop (Energies)
 


We propose an integrated geothermal system that consists of air-conditioning and hot water service ground source heat pumps, both of which share a ground water loop. The proposed system increases the COP of the service hot water ground source heat pump by recovering the condensation heat of the air-conditioning ground source heat pump as an evaporator heat source for the hot water service ground source heat pump. Eventually this integration expands the scope and capacity of the evaporator source in addition to the underground water of heat exchangers, which also leads to increase the COP of the air-conditioning ground source heat pump. The integrated geothermal heat pump system was installed in a hotel, and then data were measured for a limited period due to the hotel’s ongoing business activities. A TRNSYS simulation model has been developed as a baseline, and the baseline has been calibrated with the measured data. By running one-year simulations, it turns out that the annual electricity use for heating and cooling, and service hot water was reduced by 19.1% in the cooling season, and by 9.6% in the heating season, with respect to the conventional configuration in which the air-conditioning heat pump and hot water service heat pump work individually on their own ground loops.


 
22 viewsCategory: Biophysics, Biotechnology, Physics
 
Energies, Vol. 13, Pages 1756: Novel Thermal Desalination Brine Reject-Sewage Effluent Salinity Gradient for Power Generation and Dilution of Brine Reject (Energies)
Energies, Vol. 13, Pages 1753: Simulation Test of a DC Fault Current Limiter for Fault Ride-Through Problem of Low-Voltage DC Distribution (Energies)
 
 
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