Corpus ID: 117726452

Vortex ring generation during drop impact into a shallow pool

@article{Wilkens2013VortexRG,
  title={Vortex ring generation during drop impact into a shallow pool},
  author={Andreas Wilkens and David Auerbach and GertJan van Heijst},
  journal={arXiv: Fluid Dynamics},
  year={2013}
}
When a drop falls from a moderate height into a shallow fluid pool whose depth is of the order of the drop-radius two pairs of vortex rings are generated. The inner pair forms at the edge of the crater created by the impacting drop while the outer pair is laid off from the spreading wave. One ring of each of these pairs is short-lived while the other persists. Each of the rings has a measureable non-zero circulation (whose sign, however, is opposite to that of the well-known deep-water drop… Expand

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