Fig. 17

Low, high and original frequency signals at \(U_{fold}\) = 7 m/s (Backward Sweep), \(\alpha _{pre}(^\circ )\) = \(20^\circ\) and \(\overline{\omega }\) = 0.67. (a) pitch and (b) plunge responses.
Low, high and original frequency signals at \(U_{fold}\) = 7 m/s (Backward Sweep), \(\alpha _{pre}(^\circ )\) = \(20^\circ\) and \(\overline{\omega }\) = 0.67. (a) pitch and (b) plunge responses.