Research Article
Effect of Thermal Response and Vibration on the Multicracked Rotor Immersed in a Fluid Medium Using Finite Element Method
Table 9
Comparison of experimental and finite element analysis results of 44-direction and 55-direction for given crack location
and
.
| | Relative crack depth | 44-direction | 55-direction | Fluid kinematic viscosity (ν) stokes | Fluid kinematic viscosity () stokes | 0.0633 | 0.541 | 2.9 | 0.0633 | 0.541 | 2.9 |
| Experimental analysis (dimensionless amplitude ratio ()) |
| 106.36 | 35.58 | 13.71 | 74.46 | 25.52 | 9.80 |
| 135.56 | 39.33 | 12.91 | 93.05 | 30.17 | 10.82 |
| 178.92 | 45.96 | 15.96 | 144.24 | 47.10 | 16.92 |
| FEA (dimensionless amplitude ratio ()) |
| 103.76 | 34.18 | 11.91 | 76.46 | 24.12 | 7.82 |
| 133.36 | 36.95 | 11.21 | 89.79 | 28.07 | 8.92 |
| 176.35 | 44.65 | 13.12 | 141.24 | 45.09 | 14.42 |
| Error in % |
| 2.60 | 1.40 | 1.80 | 3.02 | 1.41 | 1.98 |
| 2.20 | 2.38 | 1.70 | 3.26 | 2.10 | 1.91 |
| 2.52 | 1.31 | 2.84 | 2.99 | 2.01 | 2.51 |
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