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하천수 열원 열펌프 시스템의 성능 특성 및 경제성 평가Performance Characteristics and Economic Assessment of a River Water：Source Heat Pump System
- Other Titles
- Performance Characteristics and Economic Assessment of a River Water：Source Heat Pump System
- Issue Date
- 2009
- Publisher
- 대한설비공학회
- Keywords
- River water(하천수); Heat pump(열펌프); Life cycle cost(LCC; 생애주기비용); Payback period(투자회수기간); Economic assessment(경제성 평가)
- Citation
- 설비공학 논문집, v.21, no.11, pp.621 - 628
- Indexed
- KCI
- Journal Title
- 설비공학 논문집
- Volume
- 21
- Number
- 11
- Start Page
- 621
- End Page
- 628
- ISSN
- 1229-6422
- Abstract
- The objectives of this study are to analyze the performance of a river water-source heat pump and to carry out economic assessment for the heat pump. The COP of the river water-source heat pump was 3-21% higher than that of the air-source heat pump because river water provides stable operating temperature compared with air temperature throughout the year. The economic analysis was carried out by comparing the initial and operating cost of the river water-source heat pump with those of the conventional air-source heat pump. The ratio of the life cycle operating cost to the life cycle cost increased with the increase of building capacity. The payback period was found to be less than 3.5 years when the capacity of the river water-source heat pump was larger than 10 RT.
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