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Influence of the Supporting Structure Dynamic Behaviour on the Shaft Vibration of a Real Rotating Machine

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Proceedings of the 9th IFToMM International Conference on Rotor Dynamics

Part of the book series: Mechanisms and Machine Science ((Mechan. Machine Science,volume 21))

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Abstract

The dynamic behaviour of the supporting structure of rotating machines can significantly affect the shaft-train vibration. When a foundation natural frequency is close to the machine operating speed, the forces caused by even almost negligible malfunctions can cause very high vibration levels. This paper shows a case history in which a natural frequency of a generator case, and that of an auxiliary shaft, significantly affected the dynamic behaviour of a power unit. The existence of these critical natural frequencies has been confirmed through specific experimental tests, the results of which are shown in the paper.

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References

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, Politecnico di Milano, Via G. La Masa 1, 20156, Milan, Italy

    Andrea Vania, Paolo Pennacchi & Steven Chatterton

Authors
  1. Andrea Vania
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  2. Paolo Pennacchi
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  3. Steven Chatterton
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Corresponding author

Correspondence to Andrea Vania .

Editor information

Editors and Affiliations

  1. Mechanical Engineering, Politecnico di Milano, Milano, Italy

    Paolo Pennacchi

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© 2015 Springer International Publishing Switzerland

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Vania, A., Pennacchi, P., Chatterton, S. (2015). Influence of the Supporting Structure Dynamic Behaviour on the Shaft Vibration of a Real Rotating Machine. In: Pennacchi, P. (eds) Proceedings of the 9th IFToMM International Conference on Rotor Dynamics. Mechanisms and Machine Science, vol 21. Springer, Cham. https://doi.org/10.1007/978-3-319-06590-8_175

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  • DOI: https://doi.org/10.1007/978-3-319-06590-8_175

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-06589-2

  • Online ISBN: 978-3-319-06590-8

  • eBook Packages: EngineeringEngineering (R0)

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