Research Article
Certain Type Turbofan Engine Whole Vibration Model with Support Looseness Fault and Casing Response Characteristics
Table 3
Parameters of casings.
| Wall thickness/mm | Elastic modulus (Pa) | Density (kg/m3) | Poisson’s ratio | Proportion damping ratio | Proportion damping ratio |
| 15 | 2.07 × 1011 | 7.8 × 103 | 0.3 | 5 | 1.35 × 10−5 |
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