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상변화물질을 적용한 핀-관 열교환기의 열전달 성능 특성에 관한 실험적 연구An Experimental Study on the Heat Transfer Characteristics of a Finned-Tube Heat Exchanger in a PCM Thermal Energy Storage System
- Other Titles
- An Experimental Study on the Heat Transfer Characteristics of a Finned-Tube Heat Exchanger in a PCM Thermal Energy Storage System
- Issue Date
- 2016
- Publisher
- 대한설비공학회
- Keywords
- PCM(상변화물질); Finned-tube heat exchanger(핀-관 열교환기); Effectiveness(유용도)
- Citation
- 설비공학 논문집, v.28, no.1, pp.15 - 20
- Indexed
- KCI
- Journal Title
- 설비공학 논문집
- Volume
- 28
- Number
- 1
- Start Page
- 15
- End Page
- 20
- ISSN
- 1229-6422
- Abstract
- Phase change materials (PCM) are able to store a large amount of latent heat, and can be applied to thermal energy storage systems. In a PCM, it takes a long time to store heat in the storage system because of the low thermal conductivity. In this study, a finned-tube-in-tank heat exchanger was applied to a PCM thermal energy storage system to increase heat transfer efficiency. The effects of geometric and operating parameters were investigated, and the results were compared with those of the tube-in-tank heat exchanger. The finned-tube-in-tank heat exchanger showed higher heat transfer effectiveness than the tube-in-tank heat exchanger. The heat exchange effectiveness of the storage tank was determined as a function of the average NTU.
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Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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