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Proceedings Papers

Research on Fault Diagnosis of Steam Turbine Rotor Unbalance and Parallel Misalignment Based on Numerical Simulation and Convolutional Neural Network

Chongyu Wang, Di Zhang, Yonghui Xie
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A019, June 7–11, 2021
Paper No: GT2021-60247
DOI: https://doi.org/10.1115/GT2021-60247
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-60247 RESEARCH ON FAULT DIAGNOSIS OF STEAM TURBINE ROTOR UNBALANCE AND PARALLEL MISALIGNMENT BASED ON NUMERICAL SIMULATION AND CONVOLUTIONAL NEURAL NETWORK Chongyu...
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Topics: Artificial neural networks, Computer simulation, Fault diagnosis, Flaw detection, Rotors, Steam turbines
Proceedings Papers

A Model-Based Prediction of Balancing Behavior of Rotors Above the Speed Range in Available Balancing Systems

Paolo Pennacchi, Riccardo Ferraro, Steven Chatterton, Damaso Checcacci
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A015, September 21–25, 2020
Paper No: GT2020-15136
DOI: https://doi.org/10.1115/GT2020-15136
..., i.e. the vibrations, of the considered turbine rotor on the balancing machine, even at rotational speeds higher than those are possible to be reached, but that correspond to the trip speed in the plant. rotor balancing unbalance inverse problems rotor modeling rotordynamics A MODEL-BASED...
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Topics: Modeling, Rotor balancing, Rotordynamics, Rotors
Proceedings Papers

A Quick Search Strategy for Multiple Fault Diagnosis of Turbomachinery

Tachung Yang, Ming-Wei Hsu
Proc. ASME. GT2009, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 523-529, June 8–12, 2009
Paper No: GT2009-59195
DOI: https://doi.org/10.1115/GT2009-59195
... 23 02 2010 Fault diagnosis is an important research issue in rotordynamics. Unbalance is one of the most frequent faults occurs in turbomachinery. A quick search strategy for model-based diagnosis is proposed in this paper to identify both locations and amounts of multiple unbalances...
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Topics: Fault diagnosis, Turbomachinery, Bearings, Machinery, Noise (Sound), Robustness, Rotordynamics, Rotors