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- Title
Exergy Destruction in Pipeline Flow of Surfactant-Stabilized Oil-in-Water Emulsions.
- Authors
Pal, Rajinder
- 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.
- Subjects
PIPELINE hydrodynamics; EXERGY; ADIABATIC flow; MICELLAR flooding (Petroleum engineering); ENTROPY; REYNOLDS number; TURBULENT shear flow
- Publication
Energies (19961073), 2014, Vol 7, Issue 11, p7602
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en7117602