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Title: Modeling and experimental validation of the vibration in an unbalance multi-stage rotor
Authors: Araque De Los Ríos, Óscar Javier
Cruz, Wilmar
Arzola, Nelson
Keywords: Rotor dynamics
critical speed
lateral vibration
finite element analysis
Issue Date: 19-Sep-2019
Publisher: Journal of Mechanical Engineering and Sciences
Citation: Araque De Los Ríos, O. J., Cruz, W., & Arzola, N. (2019). Modeling and experimental validation of the vibration in an unbalance multi-stage rotor. Journal of Mechanical Engineering and Sciences, 13(3), 5703. [13(3), 2019].
Abstract: This work proposes a finite element method model to predict lateral vibration phenomena arising in the multi-stage rotor (seven stages) with unbalance, including damping and gyroscopic effects. The rotor dynamic analysis includes mathematical and experimental determination of the first and second critical speeds of the rotor and the assessment of the effects induced by the different unbalance combinations. The results show that while considering the unbalance effects in the impellers, critical speeds move to lower frequencies compared to normal conditions when the rotor is properly balanced. Finally, the results obtained analytically achieved a good degree of correspondence with experimental validation tests.
ISSN: 2231-8380
Appears in Collections:Artículos

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