Analysis of blade-shaft coupled vibration of turbine-generator sets
Project/Area Number |
22560238
|
Research Category |
Grant-in-Aid for Scientific Research (C)
|
Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Dynamics/Control
|
Research Institution | 防衛大学校 |
Principal Investigator |
|
Project Period (FY) |
2010 – 2012
|
Project Status |
Completed (Fiscal Year 2012)
|
Budget Amount *help |
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
|
Keywords | 機械力学・制御 / 翼軸連成振動 / 回転機械 / 磁気軸受 |
Research Abstract |
In rotor systems having a long-axis blade such as a turbine, zero and one modal diameter (k=0 and k=1) modes are well known with respect to blade-shaft coupled vibration.This study deal with the latter case that blades (k=1) are coupling with bending shaft vibration. In simulations and experiments, the coupled resonance wasconfirmed at the rotational speed which is |wb -ws|(where wb is blade natural frequency and ws is shaft natural frequency).
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Report
(4 results)
Research Products
(16 results)