Research Article

Vibration Characteristics and Simulation Verification of the Dual-Rotor System for Aeroengines with Rub-Impact Coupling Faults

Figure 19

The vibration of the dual-rotor system with severe rubbing (case 3). (a) Time-domain diagram of each measuring point. (b) Spectrum of each measuring point. (c) Axis orbit of the low-pressure rotor. (d) Axis orbit of the high-pressure rotor.
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