10/28/2023 0 Comments Minitab logoTransient deployment, at rates as low as τ deploy = U ∞ t deploy / c = 1, illustrates a delay in aerodynamic response. Periodic deployment for reduced frequencies, k ≤ 0.79 exhibits a normalized lift response amplitude, which decays with increasing k comparable to Theodorsen’s circulation function but with substantially higher lag. This paper evaluates a potential high-frequency alternative: the minitab using periodic and transient deployments on a NACA0012 airfoil in wind-tunnel experiments. Current load control technologies are limited to low-frequency disturbances due to their large inertia. To design an effective control system, the actuator’s response in terms of amplitude and phase lag must be known. Load control is the reduction of extreme aerodynamic forces produced by gusts, maneuvers, and turbulence to enable lighter, more efficient aircraft.
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