Research Article
Effects of Transmission Ratio on the Nonlinear Vibration Characteristics of a Gear-Driven High-Speed Centrifugal Pump
Table 1
Main parameters of the GRSB system.
| | Gear pair | |
| | M | 3 | | 17 | | (kg) | 1.115 | | (kg·m2) | 3.6 × 10−4 | | ka (N/m) | 4 × 108 | | k0 (N/m) | 2 × 108 | | and ep (m) | 1 × 10−5 | | δm and δr (m) | 1 × 10−5 | | α1 and αt (°) | 120, 20 | | Ζm | 0.1 |
| | Seal and bearing | | | Cseal (m) | 0.1 × 10−3 | | Rseal (m) | 50 × 10−3 | | Lseal (m) | 50 × 10−3 | | mb1 and mb2 (kg) | 2.329 | | mb3 and mb4 (kg) | 1.348 |
| | Shaft and rotor | | | kt1 and kt2 (N/m) | 1.54 × 105 | | ks1, ks2, ks3, and ks4 (N/m) | 4 × 105 | | ks5 (N/m) | 2.6 × 105 | | ζt and ζs | 0.07 | | mr (kg) | 2.7 | | Ir (kg·m2) | 3.72 × 10−3 |
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