Rheoscopic fluid (Pearl Swirl) shows turbulent boundary layers in shallow channel flow.

Rheoscopic fluid (Pearl Swirl) shows turbulent boundary layers in shallow channel flow.

FlowVis@CU
2014, 2014 Team Third, Flow Categories, Flow Vis Techniques, Images, Media, Mixing, Rheoscopic Fluid, Turbulence, Wakes, Jets, Shear, z Class & Assignment

By Melissa Blackstun and Jason Brownstein for Spring 2014 Team Third.
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As silver bottle wax melts in a crock pot, its optical characteristics change, allowing motion in the wax to be seen, illustrating non-diffusive mixing.
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A von Karman vortex street forms in the wake of a cylinder in shallow channel flow, visualized with a rheoscopic fluid (Pearl Swirl).

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