4/8/10

vortex ring collision

1 comment:

  1. Once generated two similar eddies with opposite angular velocity, they increase the size of its radio to go forward. The speed with that approach is becoming smaller, and increase the size of its radio faster. The radio will continue to grow until they disintegrate both eddies. If both eddies are perfectly symmetrical, the velocity of fluid elements parallel to the axis of symmetry in the mid-point between swirl and swirl is zero. This line generated by all points where the velocity is zero, it becomes a solid boundary where the velocity through the wall is zero.

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