Abstract
The heat pump system utilizes shallow geothermal energy in the coastal areas, which not only uses clean energy but also contributes to energy conservation and environmental protection. This paper studies the performance of a heat pump system applied a capillary heat exchanger as an energy collection device. The numerical performance of capillary heat pump showed a good agreement with the experimental data in the winter heating mode and the summer cooling mode. It was concluded that the COP of the heat pump unit using the capillary heat exchanger was 5.32 in winter and 4.32 in summer.
Highlights
The heat pump unit system could be used for heating and refrigeration
Heat pumps are preferred widely used in many applications [2].The most commonly used coefficient of performance (COP) to evaluate the efficiency of GSHP [2]
The performance of the GSHP system depended on many other parameters, such as geological conditions, heat exchanger material, carrier fluid, pipe diameter, mass flow rate of heat exchanger fluid [4]
Summary
The heat pump unit system could be used for heating and refrigeration. The heat pump unit absorbs heat from the environment and transfers the energy to the building [1].High thermal efficiency heat pump had been proposed as a new heating apparatus [1]. Heat pumps are preferred widely used in many applications [2].The most commonly used coefficient of performance (COP) to evaluate the efficiency of GSHP [2]. The performance of the GSHP system depended on many other parameters, such as geological conditions, heat exchanger material, carrier fluid, pipe diameter, mass flow rate of heat exchanger fluid [4]. Esen et al.[6] studied the performance of GSHP system and its economic benefits. Noorollahi et al [8] studied the economic analysis of a ground source heat pump for supplying energy for a greenhouse in Iran. Based on reviewing the recent literature, the COP of studies on heat pump systems shows an increase in the literature but still it is not adequate. Studies focued on heat pump systems with capillary heat exchanger. Mejdi Hazami et al [10] investigated the capillary heat exchanger extracted from seawater, which could be used as the cold source of the Salammbo Museum aquarium in Tunisia
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