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Gudeta Berhanu Benti, Jan-Olov Aidanpää and Rolf Gustavsson
In 2015, a 45 MW vertical hydropower machine exhibited excessive vibration after refurbishment. Measurements revealed a substantial bearing clearance at the lower generator guide bearing. Consequently, the bearing was unable to generate sufficient opposi...
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Xin Qian, Yu Fan, Yaguang Wu, Wenjun Wang and Lin Li
Stability analysis of lateral?torsional coupled vibration is obligatory for rotating machinery, such as aero-engines. However, the state-of-the-art method may lead to stability misjudgment under different coordinate systems. The cause of this misjudgment...
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Hehui Zhang, Haolin You, Haishan Lu, Kun Li, Zhiyong Zhang and Liangxing Jiang
The numerical approach in this article can provide abundant information about the flow induced vibration of the pump rotor and may offer theoretical guidance to the design of reducing vibration and safety monitoring of centrifugal pumps.
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Ying-Chung Chen
The rotordynamics of a helical-geared rotor-bearing system were investigated. A new dynamic model for a helical-geared rotor-bearing system, which takes into account three-dimensional (3-D) motion due to rotating shaft deformation, was proposed. The prop...
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Angelo Bonfitto, Andrea Tonoli and Nicola Amati
The aim of this paper is to propose a methodology for the modelling, testing, and the parameter identification of viscoelastic supports for rotating machines at the component and system level. Although the use of this type of dampers is common in rotordy...
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Luis San Andrés, Keun Ryu and Tae Ho Kim
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Luis San Andrés, Keun Ryu and Tae Ho Kim
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Luis San Andres, Juan Carlos Rivadeneira, Kostandin Gjika, Christopher Groves, and Gerry LaRue
Pág. 391 - 397
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Redmond, Irvin
Pág. 14 - 21
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