Research Article
A Comparison Study on Co- and Counterrotating Dual-Rotor System with Squeeze Film Dampers and Intermediate Bearing
Table 1
Dimension and elements information of the rotor system.
| Node number | Axial location (m) | Bearing/disk | Element number | Outer diameter (m) | Inner diameter (m) |
| 1 | 0 | | 1 | 0.018 | 0.00 | 2 | 0.08143 | | 2 | 0.018 | 0.00 | 3 | 0.16286 | | 3 | 0.018 | 0.00 | 4 | 0.24429 | | 4 | 0.018 | 0.00 | 5 | 0.24909 | | 5 | 0.018 | 0.00 | 6 | 0.25479 | | 6 | 0.018 | 0.00 | 7 | 0.28879 | | 7 | 0.018 | 0.00 | 8 | 0.32279 | | 8 | 0.018 | 0.00 | 9 | 0.35879 | Disk number 1 | 9 | 0.018 | 0.00 | 10 | 0.38369 | | 10 | 0.018 | 0.00 | 11 | 0.40859 | | 11 | 0.018 | 0.00 | 12 | 0.43349 | | 12 | 0.018 | 0.00 | 13 | 0.43869 | Bearing number 1 | 13 | 0.018 | 0.00 | 14 | 0.44479 | | 14 | 0.022 | 0.00 | 15 | 0.54752 | | 15 | 0.022 | 0.00 | 16 | 0.65025 | | 16 | 0.022 | 0.00 | 17 | 0.75298 | | 17 | 0.022 | 0.00 | 18 | 0.85571 | | 18 | 0.022 | 0.00 | 19 | 0.95844 | | 19 | 0.022 | 0.00 | 20 | 1.06117 | | 20 | 0.022 | 0.00 | 21 | 1.06517 | Bearing number 4 | 21 | 0.022 | 0.00 | 22 | 1.06867 | | 22 | 0.022 | 0.00 | 23 | 1.08867 | | 23 | 0.022 | 0.00 | 24 | 1.10867 | Disk number 2 | 24 | 0.022 | 0.00 | 25 | 1.14274 | | 25 | 0.022 | 0.00 | 26 | 1.17681 | | 26 | 0.022 | 0.00 | 27 | 1.21088 | | 27 | 0.017 | 0.00 | 28 | 1.21488 | Bearing number 2 | 28 | 0.014 | 0.00 | 29 | 1.21838 | | 29 | 0.014 | 0.00 | 30 | 1.23038 | End of inner rotor | 31 | 0.64200 | | 30 | 0.035 | 0.03 | 32 | 0.66065 | | 31 | 0.035 | 0.03 | 33 | 0.67930 | Bearing number 3 | 32 | 0.035 | 0.03 | 34 | 0.68650 | | 33 | 0.038 | 0.03 | 35 | 0.71170 | | 34 | 0.038 | 0.03 | 36 | 0.73690 | | 35 | 0.038 | 0.03 | 37 | 0.76210 | Disk number 3 | 36 | 0.038 | 0.03 | 38 | 0.80784 | | 37 | 0.038 | 0.03 | 39 | 0.85358 | | 38 | 0.038 | 0.03 | 40 | 0.89932 | | 39 | 0.038 | 0.03 | 41 | 0.94506 | | 40 | 0.038 | 0.03 | 42 | 0.99080 | Disk number 4 | 41 | 0.038 | 0.03 | 43 | 1.01430 | | 42 | 0.038 | 0.03 | 44 | 1.02030 | | 43 | 0.070 | 0.03 | 45 | 1.03330 | | 44 | 0.060 | 0.03 | 46 | 1.06030 | | 45 | 0.060 | 0.03 | 47 | 1.06430 | Bearing number 4 | 46 | 0.060 | 0.03 | 48 | 1.07380 | | | | |
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