Passive flow control Blade stall 1 CFD 1 Circular cylinders 1 Computational fluid dynamics 1 Cylinder diameters 1 Cylinder wake 1 Energy harvesting 1 Flow control 1 Gurney flap 1 Gurney flaps 1 Hydraulic turbines 1 Low Reynolds number 1 Mechanical energies 1 Navier Stokes equations 1 Non-uniform 1 Oceanography 1 Oscillating water column 1 Pneumatic power 1 RANS 1 Reynolds - Averaged Navier-Stokes 1 Reynolds number 1 Turbomachine blades 1 Turbulence models 1 Unsteady wake 1 Vortex flow 1 Vortex formation 1 Vortex shedding 1 Wakes 1 Water waves 1