Vortex interactions

Photographic sequence showing a top view of the collision of two impulsive strong jets (Re=700) of equal momentum and the formation of an impulsive vortex quadrupole in a linearly stratified fluid. For more detail see

Voropayev & Afanasyev, 1994

Photographic sequence showing the interaction of two dipoles moving one behind the other

The oblique collision of two dipoles

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