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Related Concept Videos

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Cavity Drainage and Flashings in Masonry walls

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Related Experiment Video

Updated: May 24, 2026

Microfluidic Fabrication Techniques for High-Pressure Testing of Microscale Supercritical CO2 Foam Transport in Fractured Unconventional Reservoirs
10:06

Microfluidic Fabrication Techniques for High-Pressure Testing of Microscale Supercritical CO2 Foam Transport in Fractured Unconventional Reservoirs

Published on: July 2, 2020

Foam consolidation and drainage.

S Jun1, D D Pelot, A L Yarin

  • 1Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 West Taylor Street, Chicago, Illinois 60607-7022, USA.

Langmuir : the ACS Journal of Surfaces and Colloids
|February 29, 2012
PubMed
Summary
This summary is machine-generated.

This study models foam drainage in gravity settlers, predicting two distinct drainage stages. Experiments confirmed these predictions and showed how higher shampoo concentrations and polymer additives reduce foam drainage rates.

Related Experiment Videos

Last Updated: May 24, 2026

Microfluidic Fabrication Techniques for High-Pressure Testing of Microscale Supercritical CO2 Foam Transport in Fractured Unconventional Reservoirs
10:06

Microfluidic Fabrication Techniques for High-Pressure Testing of Microscale Supercritical CO2 Foam Transport in Fractured Unconventional Reservoirs

Published on: July 2, 2020

Area of Science:

  • Colloid and Surface Science
  • Rheology
  • Materials Science

Background:

  • Foam stability is crucial in various industrial processes.
  • Understanding liquid drainage dynamics in foams is essential for process optimization.
  • Previous models often simplify foam behavior, necessitating more comprehensive approaches.

Purpose of the Study:

  • To propose and validate a theoretical model for foam as a consolidating continuum.
  • To investigate the stages of liquid drainage in foam within a gravity settler.
  • To experimentally determine the effect of shampoo concentration and polymer additives on foam drainage.

Main Methods:

  • Development of a theoretical continuum model for foam.
  • Application of the model to foam behavior in a gravity settler.
  • Experimental investigation using varying concentrations of Pantene Pro-V Classic Care Solutions shampoo and polyethylene oxide (PEO).

Main Results:

  • The theoretical model predicted two drainage stages: an initial slow stage followed by a faster stage with doubled drainage rate.
  • Experimental results confirmed the predicted drainage stages.
  • Increased shampoo concentration and the addition of PEO significantly slowed down foam drainage.

Conclusions:

  • The proposed theoretical model accurately describes foam drainage dynamics in a gravity settler.
  • Foam drainage rate is controllable through surfactant concentration and polymer addition.
  • This research provides valuable insights for optimizing foam-based processes.