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Vibration Sensitivity of Large Turbine Generator Shaft Trains to Unbalance Read chapter Read first chapter

2015 | OriginalPaper | Chapter

Effect of Rotor-Stator Contact on the Mass Unbalance Response

Authors : Celio Duran, Lionel Manin, Marie Ange Andrianoely, Céline Bordegaray, Frédéric Battle, Régis Dufour

Published in: Proceedings of the 9th IFToMM International Conference on Rotor Dynamics

Publisher: Springer International Publishing

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Abstract

In turbo-engines the sudden increase of mass unbalance, due for example to a blade-loss, can generate rotor-stator contacts in different zones of the motor architecture: turbine blade/flange, centrifugal compressor wheel/shroud, seals, stop-end bearing. The aim of this paper is to analyse the influence of such rotor-stator interactions on the dynamic behaviour of two types of academic rotors. Several contact laws combined with smoothing methods are investigated in order to implement them in rotor dynamics models. The full annular rub and a finite impact series in forward whirl are exhibited.

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previous chapter Detecting Rub-Impact Fault of Rotor System Based on Variational Mode Decomposition
next chapter Dynamic Response of a High Speed Flexible Rotor Due to Sudden Large Unbalance
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Metadata
Title
Effect of Rotor-Stator Contact on the Mass Unbalance Response
Authors
Celio Duran
Lionel Manin
Marie Ange Andrianoely
Céline Bordegaray
Frédéric Battle
Régis Dufour
Copyright Year
2015
Book
Proceedings of the 9th IFToMM International Conference on Rotor Dynamics

Print ISBN: 978-3-319-06589-2

Electronic ISBN: 978-3-319-06590-8

Copyright Year: 2015

DOI
https://doi.org/10.1007/978-3-319-06590-8_163

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