How nanoparticles affect flow through porous stuff in surprising ways

Tuesday, April 4, 2017 - 10:01 in Physics & Chemistry

Those who have mixed oil and vinegar may have unknowingly observed a strange fluid phenomenon called fingering instability. A type of this phenomenon, called viscous fingering (VF), occurs in porous media where fluids of differing viscosity converge in finger-shaped patterns as a result of growing disturbances at the interface.

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