Turbulence, Mixing and Flow Control Group (Imperial College London), one of COMPLETE beneficiaries has uploaded a very interesting video on turbulence caused in a flow by fractal plates. A must-watch!
Here is the link: https://www.youtube.com/watch?v=HLFYQ2j1X3A&fbclid=IwAR2klcBjG-o2q_eVgbILN8E57HY6UaBWuhXqE9gwSv5EZNX1ohmhXJ16NQc
Enjoy!