In this paper, experimental investigations on the heat transfer characteristics of OHP with ethanol as working fluid were conducted. The experimental results show that there exists a necessary temperature difference between evaporator and condenser section to keep the heat pipe working. The minimum temperature differences for the optimal operating conditions varied from 1.5 to 2.0°C. The maximum effective conductivity achieved could reach up to 111kW/m•°C. The heat pipe was obviously affected by the filling ratio in some cases but the influence law is irregular and related to inclination angles and heating temperatures. Not all OHPs operated well in the limiting case of a zero inclination angle. In most cases, the optimal value of the inclination angle went up when the heating temperature increased. An appropriate high heating temperature is helpful for the OHP to achieved excellent performances. The startup temperature varied from 40°C to 50°C without considering the horizontal heating mode.
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ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer
December 18–21, 2009
Shanghai, China
Conference Sponsors:
- Nanotechnology Institute
ISBN:
978-0-7918-4391-8
PROCEEDINGS PAPER
Heat Transfer Characteristics of Oscillating Heat Pipe With Ethanol as Working Fluid Available to Purchase
Haizhen Xian,
Haizhen Xian
North China Electric Power University, Beijing, China
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Dengying Liu,
Dengying Liu
Chinese Academy of Sciences, Beijing, China
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Yongping Yang,
Yongping Yang
North China Electric Power University, Beijing, China
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Xiaoze Du
Xiaoze Du
North China Electric Power University, Beijing, China
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Haizhen Xian
North China Electric Power University, Beijing, China
Dengying Liu
Chinese Academy of Sciences, Beijing, China
Yongping Yang
North China Electric Power University, Beijing, China
Xiaoze Du
North China Electric Power University, Beijing, China
Paper No:
MNHMT2009-18189, pp. 375-380; 6 pages
Published Online:
October 26, 2010
Citation
Xian, H, Liu, D, Yang, Y, & Du, X. "Heat Transfer Characteristics of Oscillating Heat Pipe With Ethanol as Working Fluid." Proceedings of the ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3. Shanghai, China. December 18–21, 2009. pp. 375-380. ASME. https://doi.org/10.1115/MNHMT2009-18189
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