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.
- Fluids Engineering Division
Oil-Water Flow Visualization and Flow Regimes in a 3.7 mm Mini-Channel
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Bultongez, KK, & Derby, MM. "Oil-Water Flow Visualization and Flow Regimes in a 3.7 mm Mini-Channel." Proceedings of the 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. V001T03A006. ASME. https://doi.org/10.1115/ICNMM2016-7966
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