Ultrasonic Technique for Dispersed-Phase Holdup Measurements

J. C. Bonnet, L. L. Tavlarides

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

An ultrasonic technique is developed to determine the dispersed-phase holdup of liquid-liquid dispersions by measuring the velocity of ultrasound in suspensions and emulsions. A time-average model is proposed which permits estimation of the dispersed-phase holdup from the overall transmission time of the sound pulses. A statistical analysis on the experimental data revealed that there is no significant difference between typical data and calculated holdup values [0.00 < 0 < 0.40] for dispersions of xylene droplets in water. Important features of this technique are (a) the ultrasonic transducers may be located on the outside of the vessel wall and (b) the transient behavior of the dispersion as well as the axial holdup profile can be accurately monitored.

Original languageEnglish (US)
Pages (from-to)811-815
Number of pages5
JournalIndustrial and Engineering Chemistry Research
Volume26
Issue number4
DOIs
StatePublished - Apr 1 1987

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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