Aerodynamic Characteristics of Radar Antenna in Stationary and Azimuthal Rotational Motion

Figure 22

Vortex cores track at four instantaneous positions for the porous plate antenna; the wind is blowing from right to left. (a)–(d) Stationary; (e)–(h) azimuthal rotation. (a) β = 0°, (b) β = 30°, (c) β = 60°, (d) β = 90°, (e) β = 0°, (f) β = 30°, (g) β = 60°, and (h) β = 90°.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)