A modular experimental system for teaching fluid dynamics with Faraday waves

Henrik B. Pedersen*, Albert Freud Abildgaard, Morten Søtang Jacobsen, Henrik Juul

*Corresponding author for this work

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review


We describe a modular setup for the observation of Faraday waves on a vibrating bath. The setup will be used as a project exercise on fluid dynamics in a first-year course on experimental physics at Aarhus University as well as for future research on fluids. As a demonstration of the setup, the acceleration threshold for the onset of Faraday waves on a silicone oil bath as a function of the driving frequency is measured and compared to thresholds calculated using different existing models. The possibility to characterize surface waves with the system is demonstrated by recording and analyzing images of Faraday waves, e.g. showing explicitly that the Faraday waves in the present case are subharmonic and establishing the dispersion relation for the waves.

Original languageEnglish
Article number065002
JournalEuropean Journal of Physics
Publication statusPublished - Nov 2023


  • dispersion relation
  • Faraday waves
  • fluid dynamics
  • image reconstruction
  • vibrating bath


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