Spectrum Analysis of a Coaxial Dual-Rotor System with Coupling Misalignment

Figure 20

Orbits of bearing 1 at different misalignment (Ω₁ = 11 Hz, Ω₂ = 17.6 Hz): (a) Δ = 0.1 mm and (b) Δ = 0.3 mm.

(a)

(b)