UM
Experimental study of the ultrasonic effect on heat transfer inside a horizontal mini-tube in the laminar region
Tam, Hou Kuan; Tam, Lap Mou; Ghajar, Afshin J.; Chen, I. Ping
2017-03-05
Conference NameAPPLIED THERMAL ENGINEERING
Volume114
Pages1300-1308
Publication PlaceTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
PublisherPERGAMON-ELSEVIER SCIENCE LTD
AbstractUltrasound has been widely used in the drying, Welding, cleaning, chemical, and heat transfer processes. Moreover, in recent years there has been an increased interest in the application of ultrasound for heat transfer enhancement in the field of heat transfer. However, only a few papers have investigated the effect of ultrasound on heat transfer inside the horizontal tube. Therefore, the objective of this experimental study is to investigate the influence of ultrasound on the heat transfer inside the horizontal tube in the laminar region. In this study, a stainless steel test tube with a diameter of 4 mm was used as the test section under the uniform wall heat flux boundary condition. The entrance and fully developed regions heat transfer coefficients were analyzed. The Reynolds number for the experiments ranged from 600 to 3000. A series of experiments with the different numbers of ultrasonic heads and the different locations of the heads placed on the tube were conducted. The results showed that a substantial enhancement in heat transfer by ultrasound was observed in the laminar region. Based on the combinations of different numbers and positions of ultrasonic heads, two ultrasonic heads were observed to give a better heat transfer enhancement in the entrance and fully developed regions. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordHorizontal mini-tube Ultrasound Heat transfer enhancement Laminar region
DOI10.1016/j.applthermaleng.2016.09.166
URLView the original
Indexed BySCI ; CPCI
Language英语
WOS Research AreaThermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS SubjectThermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS IDWOS:000395725400126
The Source to ArticleWOS
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Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
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GB/T 7714
Tam, Hou Kuan,Tam, Lap Mou,Ghajar, Afshin J.,et al. Experimental study of the ultrasonic effect on heat transfer inside a horizontal mini-tube in the laminar region[C]. THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND:PERGAMON-ELSEVIER SCIENCE LTD,2017:1300-1308.
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