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Title: Collision of vortex rings

Description: Head-on collision of vortex rings (Re = 1000). Dye in water. Visit T. T. Lim's web site at

Credits: T. T. Lim

References: Lim, T. T. & Nickels, T. B. (1992) Instability and reconnection in the head-on collision of two vortex rings. NATURE, Vol. 357.

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