67th Annual Meeting of the APS Division of Fluid Dynamics (Nov 23 — 25, 2014)

P0014: The Lions of the Piazza del Popolo

Authors
  • Emmanuel Villermaux, Aix-Marseille University
DOI: https://doi.org/10.1103/APS.DFD.2014.GFM.P0014

Rome, Piazza del Popolo, the lions of the central fountain expectorate a turbulent water sheet. Random velocity fluctuations in the liquid nucleate holes which, driven by surface tension, grow and merge, leaving the sheet as a set of connected ligaments. These corrugated ligament further breakup into a collection of disjointed droplets broadly distributed in size.

There is not better, there is no more open door by which you can enter into the study of fragmentation than by considering the phenomena in a fountain (tribute to Michael Faraday).

 

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