The present paper is concerned with an experimental study of the acoustic signature of phase inversion in an oil-water mixture system. The experimental results from a batch system revealed that the correlation between the acoustic fields produced by a water-continuous dispersion has a different signature from an oil-continuous dispersion. Phase inversion could be clearly identified based on the acoustic field generated by the stirrer. This dynamic characteristic of the phase inversion phenomenon could be of use in a practical system, such as a mixing system or flowlines to detect phase inversion when it occurs.

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