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Journal Articles

Test and Theory for a Refined Structural Model of a Hirth Coupling

Baik Jin Kim, Joseph Oh, Alan Palazzolo
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031027.
Paper No: GTP-21-1306
DOI: https://doi.org/10.1115/1.4052088
Published Online: February 21, 2022
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Topics: Finite element analysis, Rotor assembly, Rotors, Stiffness, Stress, Stress concentration, Geometry, Pressure, Knudsen number, Couplings
Proceedings Papers

Test and Theory for a Refined Structural Model of a Hirth Coupling

Baik Jin Kim, Joseph Oh, Alan Palazzolo
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT28A005, June 7–11, 2021
Paper No: GT2021-59970
DOI: https://doi.org/10.1115/GT2021-59970
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Topics: Algorithms, Compressors, Computation, Deformation, Finishes, Finite element analysis, Finite element methods, Force measurement, Geometry, Modal analysis
Journal Articles

Computational Fluid Dynamics—Machine Learning Prediction of Machinery Coupling Windage Heating and Power Loss

Ahmad Dawahdeh, Joseph Oh, Tianbo Zhai, Alan Palazzolo
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. August 2021, 143(8): 082201.
Paper No: HT-20-1501
DOI: https://doi.org/10.1115/1.4051351
Published Online: June 28, 2021
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Topics: Computational fluid dynamics, Machine learning, Simulation, Temperature
Journal Articles

Three-Dimensional Solid Finite Element Contact Model for Rotordynamic Analysis: Experiment and Simulation

Joseph Oh, Baik Jin Kim, Alan Palazzolo
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. June 2021, 143(3): 031007.
Paper No: VIB-20-1347
DOI: https://doi.org/10.1115/1.4048556
Published Online: October 13, 2020
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Topics: Bearings, Finite element analysis, Rotor assembly, Rotors, Stiffness, Surface roughness, Stress
Journal Articles

Stability of Non-Axisymmetric Rotor and Bearing Systems Modeled With Three-Dimensional-Solid Finite Elements

Joseph Oh, Alan Palazzolo, Lingnan Hu
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. February 2020, 142(1): 011010.
Paper No: VIB-19-1059
DOI: https://doi.org/10.1115/1.4045099
Published Online: November 18, 2019
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Topics: Bearings, Rotors, Stability, Damping