Table 1 Structural parameters for the experiment estimated from static tests.
Parameter | Value |
|---|---|
Total moving mass in plunge, \(m_{y}\)(kg) | 1.671 |
Total moving mass in pitch, \(m_{\alpha }\)(kg) | 0.69 |
Airfoil chord length, c (m) | 0.1 |
Position of rotational (elastic) axis from the leading edge \(x_{ea}\) | 0.25c |
Position of the mass center from the leading edge \(x_{c}\) | 0.40c |
Mass moment of inertia in pitch about elastic axis \(I_{\alpha }\) (kg m2) | 0.0015 |
Natural frequency of the plunge mode \((f_{y})\) (Hz) | 2.25 |
Natural frequency of the pitch mode \((f_{\alpha })\) (Hz) | 3.35 |
Plunge to pitch natural frequency ratio, \(\overline{\omega }\) | 0.67 |
Pitch damping, \(\zeta _{\alpha }\) | 0.02 |
Plunge damping, \(\zeta _{y}\) | 0.04 |
