Interaction of an inner-scaled Helmholtz resonator with boundary-layer turbulence
This work provides key insights into the interaction between grazing turbulence and a Helmholtz resonator. By tuning the resonator's frequency to align with the scales of energetic pressure fluctuations in turbulent boundary layers, the device amplifies small-scale velocity fluctuations while reducing large-scale turbulence energy. This frequency-specific modulation suggests that Helmholtz resonators could serve as scalable, wall-embedded surfaces for targeted turbulence control, offering new pathways in flow control.
Authors
- Fulvio Scarano (ORCID: https://orcid.org/0000-0003-2755-6669)
- Woutijn J. Baars (ORCID: https://orcid.org/0000-0003-1526-3084)
- Abdelrahman Hassanein (ORCID: https://orcid.org/0000-0002-8353-2461)
- Davide Modesti (ORCID: https://orcid.org/0000-0003-2214-5799)
Institutions
- Delft University of Technology (NL)
Publication Details
- Journal
- Physical Review Fluids
- Published
- 2024-11-25
- DOI
- https://doi.org/10.1103/physrevfluids.9.114610
- Citations
- 4
- Primary Topic
- Fluid Dynamics and Turbulent Flows
- Type
- article
- Field-Weighted Citation Impact
- 1.50
Funders
- Air Force Office of Scientific Research
- European Office of Aerospace Research and Development