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http://dx.doi.org/10.6110/KJACR.2014.26.5.212

The Performance Test and the Feasibility Study for a Dual-Source Heat Pump System Using the Air and Ground Heat Source  

Nam, Yujin (Department of Architectural Engineering, Cheongju University)
Chae, Ho-Byung (Department of Architectural Engineering, Cheongju University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.26, no.5, 2014 , pp. 212-217 More about this Journal
Abstract
Recently, the use of renewable energy has been increased due to growing concern on the energy-saving at buildings and the reduction of $CO_2$ emission. In the field of architecture, to reduce the energy consumption of heating, cooling and hot water supply, heat pump systems with renewable energy has been developed and used in various applications. However, there have been many of researches on the large-scale commercial heat pump systems, but the research and the field application of a compact heat pump system is rare. Therefore, in order to develop the compact heat pump for the small-scale residential building, this study conducted the performance test and feasibility study for a hybrid heat pump using the heat source of air, solar and ground. In the results of experiments through a trial product, the average COP of cooling mode with ground heat source was 4.75, and it of heating mode was 4.03. Furthermore, the average COP of cooling mode with air heat source was 2.60, and it of heating mode was 2.92. Finally, payback period of the system was calculated as 9.2 years.
Keywords
Heat pump; Renewable energy; Life cycle cost; Coefficient of performance;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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