오프셋 스트립 휜이 있는 협소 사각유로의 비등열전달Boiling Heat Transfer in a Narrow Rectangular Channel with Offset Strip Fins
- Other Titles
- Boiling Heat Transfer in a Narrow Rectangular Channel with Offset Strip Fins
- Authors
- 김병주; 정은수; 손병후
- Issue Date
- 2004
- Publisher
- 대한설비공학회
- Keywords
- Flow boiling heat transfer; Narrow rectangular channel; Offset strip fins; Two-phase friction multiplier; Reynolds factor; 유동비등 열전달; 협소 사각유로; 오프셋 스트립 휜; 2상유동 마찰배수; 레이놀즈 계수
- Citation
- 설비공학 논문집, v.16, no.10, pp.977 - 983
- Journal Title
- 설비공학 논문집
- Volume
- 16
- Number
- 10
- Start Page
- 977
- End Page
- 983
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/26219
- ISSN
- 1229-6422
- Abstract
- An experimental study on saturated flow boiling heat transfer of R113 was performed in a vertical narrow rectangular channel with offset strip fins. Two-phase pressure gradients and boiling heat transfer coefficients in an electrically heated test section were measured in the range of quality 0∼0.6, mass flux 17∼43 kg/m2s, and heat flux of 500∼3,000 W/m2. Two-phase friction multipliers were determined as a function of Lockhart-Martinelli parameter. Local boiling heat transfer coefficients were analysed in terms of mass flux, heat flux and local vapor quality. Correlation for boiling heat transfer coefficients was proposed, which was in good agreement with experimental data.
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