Failure analysis of a misaligned and unbalanced flexible rotor |
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| Authors: | M Attia Hili T Fakhfakh M Haddar |
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| Affiliation: | (1) Mechanical Engineering Department-National School of Engineers, Mechanics Modelling and Production Research Unit, BP. W. 3038 Sfax, Tunisia |
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| Abstract: | Shaft misalignment and rotor unbalance are major concerns in rotating machinery. In order to understand the dynamic characteristics
of these machinery faults, a model of a complete motor flexible-coupling rotor system capable of describing these failures
was developed. Generalized system equations of motion for a rotor under misalignment and unbalance conditions were derived
using the finite element method. A spectral method was developed for resolving the equation of motion. This allows one to
obtain and analyze the dynamic response and consequently to identify misalignment and unbalance faults. |
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| Keywords: | dynamic response misalignment spectral method spinning system unbalance |
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