76th Annual Meeting of the APS Division of Fluid Dynamics (November 19, 2023 — November 21, 2023)

P0024: Waves on a torus of fluid

  • Filip Novkoski, Université Paris Cité
  • Eric Falcon, CNRS, Université Paris Cité
  • Chi-Tuong Pham, LISN, Université Paris-Saclay
DOI: https://doi.org/10.1103/APS.DFD.2023.GFM.P0024

In this work we have succeeded to create for the first time a donut of water that is able to stay stable. This shape, also called a torus, owes its existence to the surface on which it sits, which was made to contain it but also is coated with a water repelling treatment, similar to that of a lotus leaf. The curvature of the torus, and its closed and compact form, allows us to study what kind of effects these properties have on waves that propagate on its borders.

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