非接触式转子叶片振动测试技术应用研究

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Investigation and application of non-contact rotor blade vibration measurement technique

1.
School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
2.
Shenyang Aeroengine Research Institute, Shenyang 110015, China

摘要: 介绍了旋转叶片整数阶次与非整数阶次的振动理论分析,并利用非接触式叶片振动测量系统进行了模拟试验器和台架压气机试验验证.理论分析和试验结果吻合,表明由非接触式叶片振动测量系统测试振幅的变化特征,可确定整阶次共振与非整阶次叶片振动.
- 航空、航天推进系统 /
- 叶片共振 /
- 整数阶次 /
- 非整数阶次 /
- 非接触式
Abstract: This paper briefly describes non-contact rotor blade vibration measurement analysis methods.Theoretical analysis was conducted for both asynchronous and synchronous resonant vibrations.This system has been applied successfully in compressor and engine testing and the theoretical predictions were validated by results from strain gauge measurement.
- aerospace propulsion system /
- blade resonance /
- integer order /
- non-integer order /
- non-contact

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[4]	Lawson C P,Ivey,P C.Turbomachinery blade vibration amplitude measurement through tip timing with capacitance tip clearance probes[J].Sensors and Actuators A(Physical),118(1):14-24.
[5]	Dimitridis G,Carrington I B,Wright J R,et al.Blade tip timing measurement of synchronous vibration of rotating bladed assemblies[J].Mechanical System and Signal Processing,2002,16(4):599-622.

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