组合压气机振动故障分析研究
A Study of Vibration Fault of Combined Compressor
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摘要: 组合压气机试验件台架试验时振动较大,转子无法达到额定转速。本文从试验及转子系统临界转速、振型出发,通过分析计算,确定产生故障的原因,提出改进措施,并排除故障。Abstract: The combined compressor rotor in not able to reach the maximum rating speed on test bench because its level of vibration is very high and exceeds vibration limits.This paper studies vibration of combined compressor by rotor dynamics analysis and experiments to discover the reason of fault.An advanced measure is taken and makes the combined compressor to operate normally.
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Key words:
- aerospace propulsion system /
- combined compressor /
- vibration /
- floating shaft /
- fault
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