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Title: Hairpin vortices

Description: Hairpin vortices created by a boundary layer trip wire. Smoke in air.

Visit T. T. Lim's web site at

Credits: T. T. Lim

References: Perry, A.E., Lim, T.T. & Teh, E.W. (1981) A visual study of turbulent spots, JOURNAL OF FLUID MECHANICS, Vol 104 , 1981, 387 - 405.

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