78th Annual Meeting of the APS Division of Fluid Dynamics (Nov 23 — 25, 2025)

P004: Sidewall Symphony

Authors
  • Ben Steinfurth, Technical University of Berlin
  • Mogeng Li , TU Delft
  • Fulvio Scarano , TU Delft
  • Julien Weiss , Technical University of Berlin

This visualization shows the top view of flow past a backward-facing ramp, captured using helium-filled soap bubbles illuminated by high-intensity LEDs. The streaks reveal the intricate dynamics along the test section span and the influence of the nearby sidewall, highlighted by the bright curved line. Further details can be found in our recent publication in JFM Rapids (2025).

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