Colloidal Flow

  • Arne T. Skjeltorp
Part of the NATO ASI Series book series (volume 167)


A “two-fluid” system consisting of a concentrated “slurry” of polystyrene microspheres dispersed in water as fluid No. 1 and water as fluid No. 2 is used to study colloidal flow. As the specific weight of polystyrene is about 4% larger than that of water, the “slurry” will flow under the influence of gravitation. The flow is studied in Hele-Shaw cells (closely spaced glass plates). This produces various interfacial instabilities which may be related to viscous fingering (vertical/inclined cells) and “Rayleigh-Bénard”-like convection (horizontal cells).


Interfacial Tension Lower Plate Average Cell Size Interesting Parameter Wavelength Selection 
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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Arne T. Skjeltorp
    • 1
  1. 1.Institute for Energy TechnologyKjellerNorway

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