Acta Aeronautica et Astronautica Sinica ›› 2024, Vol. 45 ›› Issue (11): 529427-529427.doi: 10.7527/S1000-6893.2023.29427
• Articles • Previous Articles
Meng DONG1(), Lixiang XING1, Haohai XU2
Received:
2023-08-09
Revised:
2023-09-19
Accepted:
2023-12-04
Online:
2023-12-14
Published:
2023-12-13
Contact:
Meng DONG
E-mail:360640173@qq.com
Supported by:
CLC Number:
Meng DONG, Lixiang XING, Haohai XU. Self⁃excited oscillation and stability of flow regulator pipeline system[J]. Acta Aeronautica et Astronautica Sinica, 2024, 45(11): 529427-529427.
Table 1
Eigenvalue distribution of linear system
编号 | 特征值 | 增长率α | 频率/Hz |
---|---|---|---|
1,2 | 123.16±j495.16 | 123.16 | 78.81 |
3,4 | -474.97±j603.64 | -474.97 | 96.07 |
5,6 | -178.03±j902.49 | -178.03 | 143.64 |
7,8 | -410.65±j1 938.83 | -410.65 | 308.58 |
9,10 | -776.25±j3 270.82 | -776.25 | 520.57 |
11,12 | -3 139.92±j4 335.72 | -3 139.92 | 690.05 |
13,14 | -1 887.71±j9 967.87 | -1 887.71 | 1 586.44 |
15,16 | -1 733.39±j12 101.05 | -1 733.39 | 1 925.94 |
17,18 | -20.40±j12 599.25 | -20.40 | 2 005.23 |
19,20 | -38.06±j22 588.93 | -38.06 | 3 595.14 |
21,22 | -608.72±j28 153.77 | -608.72 | 4 480.82 |
23 | -1 749 096.63 | -1 749 096.63 | 0 |
24 | -171 560.59 | -171 560.59 | 0 |
25 | -102 592.40 | -102 592.40 | 0 |
26 | -496 091.55 | -496 091.55 | 0 |
27 | -282 647.23 | -28 2647.23 | 0 |
28 | -247 628.95 | -247 628.95 | 0 |
29 | -61 803.72 | -61 803.72 | 0 |
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