Vortices shedded from the leading edge slat was visualized and vortex shedding frequency was obtained by FFT analysis of pixel intensity.When comparing this vortex shedding frequency with the sound frequency acquired by the microphone, it agreed well near the surface of the slat.
This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License. Any reuse must credit the author(s) and provide a link back to this page.