Title: Saffman-Taylor instability in a Hele-Shaw cell

Description: Saffman-Taylor instability in a Hele-Shaw cell. When viscous fluid is displaced by a less viscous fluid in a thin layer, a fingering instability forms.
Image created as part of Jean Hertzberg's Flow Visualization: A Course in the Physics and Art of Fluid Flow.

Credits: Dustin Grace, Jessica Todd, Marilyn Poon and Robert Neilson, University of Colorado, Boulder.

References:

Web Page: http://www.colorado.edu/MCEN/flowvis/galleries/2003/assignment2.html

Contributed By: Jean Hertzberg