UM
Heat transfer measurements for the horizontalmicro-tubes using liquid crystal thermography
Lap Mou Tam1; Hou Kuan Tam2; Afshin J. Ghajar1,3; Wa San Ng1
2013-10-30
Conference NameProceedings of 4th International Symposium on Heat Transfer and Energy Conversion
Source PublicationAdvanced Materials Research
Volume816-817
Pages166-169
Conference Date2012
Conference PlaceGuangZhou
Abstract

In this study, a non-contact liquid crystal thermography (LCT) method was developed for surface temperature measurements on the micro-and micro-tubes with the diameters of 2000μm, 1000μm, 838μm and 686μm. In the single-phase heat transfer experiments, the fully-developed flow heat transfer data from laminar to turbulent regionswere obtained under the uniform wall heat flux boundary condition. The experiment system was verified with the macro-tube of 2000μm diameter tube. The results showed that buoyancy effect was not observed in the laminar region when the tube diameter was less than 1000 μm. In theturbulent region, the heat transfer data trend followed with the classical turbulent correlation. Furthermore, the current LCT results showed the similar trend when compare with the published LCT data of Yang and Lin[1]. © (2013) Trans Tech Publications, Switzerland.

KeywordHeat Transfer Liquid Crystal Thermography (Lct) Micro-tubes
DOIhttp://doi.org//10.4028/www.scientific.net/AMR.816-817.166
URLView the original
Language英语
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Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau, China
2.Institute for the Development and Quality, Macau, china
3.School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, Oklahoma 074078-5016, USA
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Lap Mou Tam,Hou Kuan Tam,Afshin J. Ghajar,et al. Heat transfer measurements for the horizontalmicro-tubes using liquid crystal thermography[C],2013:166-169.
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