Hairpin or not hairpin, that is not a question – it is beautiful

HairpinArt of Science gallery in Princeton, 2006. The second prize is given to? …. yes, that's right – to HAIRPIN [link]

The text says:

Isolated Hairpin
Melissa Green GS
Department of Mechanical and Aerospace Engineering



Turbulent flow, although chaotic, is organized into coherent structures. We use a method called Direct Lyapunov Exponent to investigate one of these structures commonly found in turbulent wall-bounded flows: an isolated hairpin vortex. This image is in a plane that is a constant distance from a wall on which this structure sits. The light color outlines the hairpin vortex.

Melissa got another picture accepted: Structures in turbulent flow:

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