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

<div>The amplitude of vibration frequencies <i>N</i>1 and <i>N</i>2 at each measuring point of the dual rotor is affected by rub-impact. (a) <i>N</i>1. (b) <i>N</i>2.</div>

Shock and Vibration

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Figure 10

Figure 10: Vibration Characteristics and Simulation Verification of the Dual-Rotor System for Aeroengines with Rub-Impact Coupling Faults 