Chaotic Behaviour Investigation of a Front Opposed-Hemispherical Spiral-Grooved Air Bearing System

Figure 10

Poincaré maps of the rotor centre with respect to different bearing numbers = (a) 2.3, (b) 3.12, (c) 3.84, (d) 3.86, (e) 4.55, and (f) 4.89.

(a)

(b)

(c)

(d)

(e)

(f)