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Heat Transfer in Liquid-Liquid Taylor Flow in a Mini-Scale Tube With Constant Wall Temperature

[+] Author Affiliations
W. M. Adrugi, Y. S. Muzychka, K. Pope

Memorial University of Newfoundland, St. John’s, NL, Canada

Paper No. ICNMM2015-48272, pp. V001T04A057; 7 pages
doi:10.1115/ICNMM2015-48272
From:
  • ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems
  • ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels
  • San Francisco, California, USA, July 6–9, 2015
  • Conference Sponsors: Heat Transfer Division, Fluids Engineering Division
  • ISBN: 978-0-7918-5687-1
  • Copyright © 2015 by ASME

abstract

In this paper, heat transfer enhancement using liquid-liquid Taylor flow is examined. The experiments are conducted in mini-scale tubes with constant wall temperature. The segmented flow is created using several fractions of low viscosity silicone oil (1 cSt) and water for a wide range of flow rates and segment lengths. The variety of liquids and flow rates change the Prandtl, Reynolds, and capillary numbers. The dimensionless mean wall flux and the dimensionless thermal flow length are used to analyze the experimental heat transfer data. The comparison shows the heat transfer rate for Taylor flow is higher than in single-phase flow. The heat transfer enhancement occurs due to internal circulation in the fluid segments.

Copyright © 2015 by ASME

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