Research Article
Analytical and Numerical Investigation of Lacing Wire Damage Induced Mistuning in Turbine Blade Packet
Table 6
Effect of mistuning due to lacing wire damage (for
= 1) on natural frequencies.
| Mode | Submode | values | = 0 | = 0.2 | = 0.4 | = 0.6 | = 0.8 | = 1.0 |
| 1 | I | 1.8751 | 1.8751 | 1.8751 | 1.8751 | 1.8751 | 1.8751 | II | 2.2135 | 2.1824 | 2.1384 | 2.0768 | 1.9917 | 1.8751 | III | 2.5932 | 2.5514 | 2.5129 | 2.4797 | 2.4526 | 2.4314 |
| 2 | I | 4.6941 | 4.6941 | 4.6941 | 4.6941 | 4.6941 | 4.6941 | II | 4.7234 | 4.7200 | 4.7154 | 4.7095 | 4.7023 | 4.6941 | III | 4.7836 | 4.7749 | 4.7675 | 4.7615 | 4.7568 | 4.7533 |
| 3 | I | 7.8548 | 7.8548 | 7.8548 | 7.8548 | 7.8548 | 7.8548 | II | 7.8610 | 7.8603 | 7.8593 | 7.8580 | 7.8565 | 7.8548 | III | 7.8735 | 7.8718 | 7.8702 | 7.8689 | 7.8680 | 7.8548 |
|
|