Electrically Controlled Rotor Blade Vortex Interaction Airloads and Noise Analysis Using Viscous Vortex Particle Method

Figure 15

Predicted wake vorticity contour of ECR with pre-index angle over the longitudinal planes. (a) Plane at y = 0.6R on the advancing side; (b) plane at y = −0.7R on the retreating side.

(a)

(b)