Research Article
Nonlinear Analysis of Rod Fastened Rotor under Nonuniform Contact Stiffness
Table 1
Parameters of the rod fastened rotor and bearing.
| Parameters | Values |
| Lumped mass m1/kg | 12 | Lumped mass m2/kg | 12 | Lumped mass m3/kg | 12 | Lumped mass mb1/kg | 3 | Lumped mass mb2/kg | 3 | Stiffness of the shaft k/(N/m) | 2.5e7 | Max stiffness of interface k2/(N/m) | 1.0e8 | Damp coefficient of bearing c1(N·s/m) | 1400 | Damp coefficient of rotor c2(N·s/m) | 3500 | Bearing radius R(mm) | 48 | Bearing length Lb(mm) | 25 | Clearance of bearing c(mm) | 0.18 | Lubricant viscosity μ (Pa·s) | 0.018 |
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