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Oil-Water Flow Visualization and Flow Regimes in a 3.7 mm Mini-Channel

[+] Author Affiliations
Kevin K. Bultongez, Melanie M. Derby

Kansas State University, Manhattan, KS

Paper No. ICNMM2016-7966, pp. V001T03A006; 8 pages
doi:10.1115/ICNMM2016-7966
From:
  • ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 Fluids Engineering Division Summer Meeting
  • ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels
  • Washington, DC, USA, July 10–14, 2016
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5034-3
  • Copyright © 2016 by ASME

abstract

This study investigates adiabatic oil and water flow patterns in a 3.7-mm-inner-diameter borosilicate glass tube. A closed-loop flow apparatus was constructed and pressure drop was verified using single-phase liquid water. Minor losses were shown to be negligible, and 98% of the pressure drop occurred in the glass tube. Oil-water tests were conducted over a range of oil superficial velocities (0.27 < jo < 3.3 m/s) and water superficial velocities (0.07 < jw < 4.96 m/s). Annular, intermittent, and dispersed flow regimes were observed and shown. For nearly all cases, an annular water ring formed along the perimeter of the glass tube. Two-phase pressure drops are reported.

Copyright © 2016 by ASME

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