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physics.flu-dyn2020
How to design a 2D active grid for dynamic inflow modulation
Tom T. B. Wester, Johannes Krauss, Lars Neuhaus +4
Wind turbines operate under constantly changing turbulent inflow conditions. In the rotating system, wind gusts lead to variations in the angle of attack at local blade segments re…
physics.flu-dyn2020
Dynamic stall of an airfoil under tailored three-dimensional inflow conditions
Dominik Traphan, Tom T. B. Wester, Matthew Melius +3
Rotor blades of wind turbines in the atmospheric boundary layer regularly experience the aerodynamic phenomenon of dynamic stall consisting of a temporary overshoot of lift and det…
physics.flu-dyn2018
Insights into the Periodic Gust Response of Airfoils
Nathaniel J. Wei, Johannes Kissing, Tom T. B. Wester +6
The unsteady lift response of an airfoil in a sinusoidal gust can be modeled by two transfer functions: the first-order Sears function and the second-order Atassi function, albeit…