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Journal Articles

Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry

Accepted Manuscript
Joshua Bird, Patrick S Keogh, Carl Sangan, Aaron Bowsher, Peter Crudgington, James Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1607
https://doi.org/10.1115/1.4066711
Published Online: September 28, 2024
View Article titled, Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry
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Topics: Geometry, Rotordynamics, Stiffness, Pressure, Leakage, Engines, Gas turbines, Damping, Density, Excitation
Journal Articles

Robust Controller Development via Iterative Model Updating for Active Magnetic Bearing Rotor Systems

Accepted Manuscript
Giovanni Donati, Massimiliano Ortiz Neri, Marco Mugnaini, Michele Basso, Jerzy T. Sawicki
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1253
https://doi.org/10.1115/1.4066614
Published Online: September 26, 2024
View Article titled, Robust Controller Development via Iterative Model Updating for Active Magnetic Bearing Rotor Systems
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Topics: Control equipment, Magnetic bearings, Rotors, Optimization algorithms, Finite element analysis, Frequency response, Model-based control, Press fits, Reliability, Rotordynamics
Journal Articles

Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements

Accepted Manuscript
Roman Kochurov, Volodymyr Martynenko, Leonid Moroz, Yuriy Govorushchenko
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1520
https://doi.org/10.1115/1.4066613
Published Online: September 26, 2024
View Article titled, Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements
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Topics: Ball bearings, Stiffness, Bearings, Rotors, Uncertainty, Algorithms, Dynamics (Mechanics), Engineers, Finite element model, Machinery
Journal Articles

Proper Orthogonal Decomposition-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses

Francesco D'Alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011013.
Paper No: GTP-23-1345
https://doi.org/10.1115/1.4063519
Published Online: October 26, 2023
View Article titled, Proper Orthogonal Decomposition-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses
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Topics: Approximation, Damping, Experimental design, Finite element model, Metamodeling, Rotors, Simulation, Stators, Design, Rotordynamics
Journal Articles

Determining the Influence of Casing Vibrational Behavior on Rotordynamics

Mona Amer, Martin Paehr, Lars Panning-von Scheidt, Joerg R. Seume, Joachim Schmied
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2022, 144(5): 051012.
Paper No: GTP-21-1556
https://doi.org/10.1115/1.4053123
Published Online: February 21, 2022
View Article titled, Determining the Influence of Casing Vibrational Behavior on Rotordynamics
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Topics: Bearings, Compressors, Computer simulation, Damping, Excitation, Manufacturing, Modal analysis, Modeling, Rotordynamics, Rotors
Journal Articles

A Node-Dependent Kinematic Approach for Rotordynamics Problems

Matteo Filippi, Enrico Zappino, Erasmo Carrera
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2019, 141(6): 062501.
Paper No: GTP-17-1630
https://doi.org/10.1115/1.4042285
Published Online: January 8, 2019
View Article titled, A Node-Dependent Kinematic Approach for Rotordynamics Problems
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Topics: Kinematics, Rotors, Disks, Rotordynamics
Journal Articles

Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps

Clay S. Norrbin, Dara W. Childs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062602.
Paper No: GTP-17-1478
https://doi.org/10.1115/1.4038482
Published Online: January 17, 2018
View Article titled, Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps
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Topics: Cathodic protection, Displacement, Equilibrium (Physics), Fluids, Pumps, Rotors, Submersibles, Stiffness, Stability, Rotordynamics
Journal Articles

Rotordynamics Performance of Hybrid Foil Bearing Under Forced Vibration Input

Daejong Kim, Brian Nicholson, Lewis Rosado, Garry Givan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012507.
Paper No: GTP-17-1286
https://doi.org/10.1115/1.4037624
Published Online: September 19, 2017
View Article titled, Rotordynamics Performance of Hybrid Foil Bearing Under Forced Vibration Input
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Topics: Bearings, Excitation, Foil bearings, Impulse (Physics), Rotors, Simulation, Stiffness, Stress, Vibration, Weight (Mass)
Journal Articles

Noninvasive Parameter Identification in Rotordynamics Via Fluid Film Bearings—Linking Active Lubrication and Operational Modal Analysis

Ilmar Ferreira Santos, Peter Kjær Svendsen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062507.
Paper No: GTP-16-1441
https://doi.org/10.1115/1.4035447
Published Online: February 7, 2017
View Article titled, Noninvasive Parameter Identification in Rotordynamics Via Fluid Film Bearings—Linking Active Lubrication and Operational Modal Analysis
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Topics: Bearings, Damping, Fluid films, Lubrication, Pressure, Rotors, Signals, Stress, Modal analysis, Rotordynamics
Journal Articles

Including Housing–Casing Fluid in a Lateral Rotordynamics Analysis on Electric Submersible Pumps

Clay S. Norrbin, Dara W. Childs, Stephen Phillips
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062505.
Paper No: GTP-16-1428
https://doi.org/10.1115/1.4035358
Published Online: February 1, 2017
View Article titled, Including Housing–Casing Fluid in a Lateral Rotordynamics Analysis on Electric Submersible Pumps
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Topics: Brakes, Emulsions, Fluids, Pumps, Rotors, Water, Stability, Vibration, Wear, Well casings
Journal Articles

A New Method for Predicting Critical Speeds in Rotordynamics

Lawrence N. Virgin, Josiah D. Knight, Raymond H. Plaut
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2016, 138(2): 022504.
Paper No: GTP-15-1363
https://doi.org/10.1115/1.4031308
Published Online: September 1, 2015
View Article titled, A New Method for Predicting Critical Speeds in Rotordynamics
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Topics: Disks, Rotors, Rotordynamics, Damping
Journal Articles

Variable Kinematic One-Dimensional Finite Elements for the Analysis of Rotors Made of Composite Materials

E. Carrera, M. Filippi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2014, 136(9): 092501.
Paper No: GTP-14-1109
https://doi.org/10.1115/1.4027192
Published Online: April 18, 2014
View Article titled, Variable Kinematic One-Dimensional Finite Elements for the Analysis of Rotors Made of Composite Materials
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Topics: Composite materials, Displacement, Finite element analysis, Rotors, Kinematics, Shells, Euler-Bernoulli beam theory, Rotordynamics
Journal Articles

Turbocharger Synchronous Vibration Control on High Speed Balancer: Test and Prediction

Kostandin Gjika, Pradeep Mahadevan, Antoine Costeux
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2014, 136(7): 071603.
Paper No: GTP-14-1018
https://doi.org/10.1115/1.4026600
Published Online: February 18, 2014
View Article titled, Turbocharger Synchronous Vibration Control on High Speed Balancer: Test and Prediction
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Topics: Bearings, Turbochargers, Vibration, Rotordynamics, Stress, Rotors, Vibration control
Journal Articles

Evaluation of Foil Bearing Performance and Nonlinear Rotordynamics of 120 kW Oil-Free Gas Turbine Generator

Daejong Kim, An Sung Lee, Bum Seog Choi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2014, 136(3): 032504.
Paper No: GTP-13-1329
https://doi.org/10.1115/1.4025898
Published Online: November 27, 2013
View Article titled, Evaluation of Foil Bearing Performance and Nonlinear Rotordynamics of 120 kW Oil-Free Gas Turbine Generator
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Topics: Bearings, Diaphragms (Mechanical devices), Diaphragms (Structural), Foil bearings, Gas turbines, Generators, Rotordynamics, Rotors, Stiffness, Turbines
Journal Articles

Nonparametric Stochastic Modeling of Uncertainty in Rotordynamics—Part I: Formulation

Raghavendra Murthy, Marc P. Mignolet, Aly El-Shafei
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2010, 132(9): 092501.
https://doi.org/10.1115/1.3204645
Published Online: June 7, 2010
View Article titled, Nonparametric Stochastic Modeling of Uncertainty in Rotordynamics—Part I: Formulation
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Topics: Bearings, Modeling, Rotors, Simulation, Stiffness, Uncertainty, Rotordynamics, Algorithms, Damping
Journal Articles

Rotordynamics

Jerzy T. Sawicki
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Book Reviews
J. Eng. Gas Turbines Power. July 2007, 129(3): 888.
https://doi.org/10.1115/1.2227419
Published Online: July 1, 2007
View Article titled, Rotordynamics
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Topics: Machinery, Rotordynamics, Rotors, Vibration
Journal Articles

Nonlinear Rotordynamics of Automotive Turbochargers: Predictions and Comparisons to Test Data

Luis San Andrés, Juan Carlos Rivadeneira, Murali Chinta, Kostandin Gjika, Gerry LaRue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2007, 129(2): 488–493.
https://doi.org/10.1115/1.2204630
Published Online: September 28, 2005
View Article titled, Nonlinear Rotordynamics of Automotive Turbochargers: Predictions and Comparisons to Test Data
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Topics: Bearings, Compressors, Rotordynamics, Rotors, Turbochargers, Lubricants, Whirls, Vehicles
Journal Articles

Application of Computational Fluid Dynamics Analysis for Rotating Machinery—Part II: Labyrinth Seal Analysis

Toshio Hirano, Zenglin Guo, R. Gordon Kirk
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2005, 127(4): 820–826.
https://doi.org/10.1115/1.1808426
Published Online: September 20, 2005
View Article titled, Application of Computational Fluid Dynamics Analysis for Rotating Machinery—Part II: Labyrinth Seal Analysis
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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Machinery, Rotors, Steam turbines, Dimensions, Leakage flows, Rotordynamics
Journal Articles

Contact Dynamic Response With Misalignment in a Flexible Rotor/Magnetic Bearing System

P. S. Keogh, M. O. T. Cole
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2006, 128(2): 362–369.
https://doi.org/10.1115/1.2056530
Published Online: March 1, 2004
View Article titled, Contact Dynamic Response With Misalignment in a Flexible Rotor/Magnetic Bearing System
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Topics: Bearings, Dynamic response, Magnetic bearings, Rotors, Clearances (Engineering), Sensors, Signals, Rotordynamics, Feedback
Journal Articles

Predicted Effects of Shunt Injection on the Rotordynamics of Gas Labyrinth Seals

N. Kim, Graduate Assistant,, S.-Y. Park, Graduate Assistant, D. L. Rhode, Professor
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 167–174.
https://doi.org/10.1115/1.1520539
Published Online: December 27, 2002
View Article titled, Predicted Effects of Shunt Injection on the Rotordynamics of Gas Labyrinth Seals
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Topics: Flow (Dynamics), Pressure, Rotors, Rotordynamics, Stiffness, High pressure (Physics), Computational fluid dynamics