Full-Field Displacement Measurements of Helicopter Rotor Blades Using Stereophotogrammetry

Figure 16

Blade displacements along the quarter-chord at five different collective pitch angles in hover flight: (a) θ = 0°; (b) θ = 2°; (c) θ = 4°; (d) θ = 6°; (e) θ = 8°.

(a)

(b)

(c)

(d)

(e)