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Exergy Destruction in Pipeline Flow of Surfactant-Stabilized Oil-in-Water Emulsions

Author

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  • Rajinder Pal

    (Department of Chemical Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada)

Abstract

Exergy destruction in adiabatic pipeline flow of surfactant-stabilized oil-in-water emulsions is investigated in five different diameter pipes. The dispersed-phase (oil droplets) concentration of the emulsions is varied from 0% to 55.14% vol. The emulsions are Newtonian in that the viscosity is independent of the shear rate. For a given emulsion and pipe diameter, the exergy destruction rate per unit pipe length increases linearly with the increase in the Reynolds number on a log-log scale in both laminar and turbulent regimes. However the slope in the turbulent regime is higher. The exergy destruction rate increases with the increase in the dispersed-phase concentration of emulsion and decreases with the increase in the pipe diameter. New models are developed for the prediction of exergy destruction rate in pipeline flow of surfactant-stabilized oil-in-water emulsions. The models are based on the single-phase flow equations. The experimental data on exergy destruction in pipeline flow of emulsions shows excellent agreement with the predictions of the proposed models.

Suggested Citation

  • Rajinder Pal, 2014. "Exergy Destruction in Pipeline Flow of Surfactant-Stabilized Oil-in-Water Emulsions," Energies, MDPI, vol. 7(11), pages 1-18, November.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:11:p:7602-7619:d:42464
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    Cited by:

    1. Alexey Dengaev & Vladimir Verbitsky & Olga Eremenko & Anna Novikova & Andrey Getalov & Boris Sargin, 2022. "Water-in-Oil Emulsions Separation Using a Controlled Multi-Frequency Acoustic Field at an Operating Facility," Energies, MDPI, vol. 15(17), pages 1-16, August.

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