Nonlinear Vibration Analysis for a Jeffcott Rotor with Seal and Air-Film Bearing Excitations

Figure 10

Bifurcation diagram of the rotor with varying seal-length. $\omega =1200\hspace{0.17em}\text{rad}/\text{s}\text{;}$$\mathrm{\Delta }P=0.2$ MPa.

(a) The disk center

(b) The left bearing

(c) The right bearing