다수의 냉각탑이 설치된 옥상에서 냉각탑별 재유입률 예측Prediction of Reentering Ratio of Individual Cooling Towers Scatteredon a Building Roof
- Other Titles
- Prediction of Reentering Ratio of Individual Cooling Towers Scatteredon a Building Roof
- Authors
- 이태구; 문선애; 유호선; 이재헌
- Issue Date
- Nov-2006
- Publisher
- 대한설비공학회
- Keywords
- Cooling tower(냉각탑); Recirculation(재순환); Interference(간섭); Reentering rate(재유입률)
- Citation
- 설비공학 논문집, v.18, no.11, pp.923 - 932
- Journal Title
- 설비공학 논문집
- Volume
- 18
- Number
- 11
- Start Page
- 923
- End Page
- 932
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/19055
- ISSN
- 1229-6422
- Abstract
- In this paper, reentering ratio and cooling capacity of individual cooling towers arrayed on a building roof were studied by a numerical method. The number of 16 cooling towers were divided into 4 banks. It was considered the summer prevailing wind characteristics as west wind and south wind of 5m/s. It was also considered the roofwall types as the curtainwall and the louverwall that had the outdoor air intake louver in the curtainwall. In this case, the louver was suggested as the solution that could prevent reentering phenomenon due to recirculation and interference of the discharge air. In the case of the curtainwall, the averaged reentering ratio are predicted 13.3% and 24.4% for the west and south wind of 5 m/s, respectively. In the case of the louverwall, the averaged reentering ratio are predicted 2.5% and 9.7% for the west and south wind of 5m/s, respectively. Therefore, the louverwall is a appropriate solution for reducing the reentering phenomenon.
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