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Experimental Study on the Heat Transfer Enhancement of Oscillating-Flow Heat Pipe by Acoustic Cavitation

Authors Xian, Haizhen
Liu, Dengying
Shang, Fumin
Yang, Yongping
Chen, Guohua View this author's profile
Issue Date 2009
Source Drying technology , v. 27, (4), 2009, p. 542-547
Summary Experimental investigations on the heat transfer characteristics of an oscillating-flow heat pipe with acoustic cavitation in comparison with the ordinary oscillating-flow heat pipe are given in this article. The experimental results showed that the heat transfer rate of an oscillating-flow heat pipe with an acoustic cavitation field imposed on the evaporator section was higher than that without a cavitation field by 8-24.5\%. It has been proved that acoustic cavitation can enhance the heat transfer performance of an oscillating-flow heat pipe. However, for the case of acoustic cavitation applied on the condenser section, not all ultrasonic fields applied were effective, and the heat transfer rate increased from -39 to 77\%. Further discussion on the experimental results is provided.
ISSN 0737-3937
Language English
Format Article
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