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Journal Articles

The Impact of Pad Elasticity on Frequency-Dependent Linear Dynamic Coefficients of Tilting-Pad Journal Bearings

Daniel Vetter, Philipp Zemella, Thomas Hagemann, Hubert Schwarze
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061024.
Paper No: GTP-24-1675
https://doi.org/10.1115/1.4066893
Published Online: December 20, 2024
View Articletitled, The Impact of Pad Elasticity on Frequency-Dependent Linear Dynamic Coefficients of Tilting-Pad Journal Bearings
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Topics: Bearings, Stiffness, Stress, Damping, Elasticity
Journal Articles

The Role of the Working Fluid and Nonideal Thermodynamic Effects on Performance of Gas-Lubricated Bearings

Wessel de Waart, Matteo Pini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061015.
Paper No: GTP-24-1652
https://doi.org/10.1115/1.4066822
Published Online: December 11, 2024
View Articletitled, The Role of the Working Fluid and Nonideal Thermodynamic Effects on Performance of Gas-Lubricated Bearings
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Topics: Bearings, Bulk modulus, Fluids, Stress, Compressibility, Pressure, Density, Flow (Dynamics), Rotors, Gas bearings
Journal Articles

Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation

Homin Lim, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061011.
Paper No: GTP-24-1601
https://doi.org/10.1115/1.4066780
Published Online: November 25, 2024
View Articletitled, Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation
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Topics: Bearings, Film thickness, Hammers, Hydrostatics, Stress, Thrust bearings, Damping, Pressure
Journal Articles

Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen

Chaeyeon Baek, Hyunsung Jung, Junwon Heo, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061012.
Paper No: GTP-24-1603
https://doi.org/10.1115/1.4066781
Published Online: November 25, 2024
View Articletitled, Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen
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Topics: Bearings, Journal bearings, Nitrogen, Stress, Water, Hydrostatics, Flow (Dynamics), Manufacturing, Fluids, Design
Journal Articles

Application of Interface Reduction Methods to Rotordynamic Casing Models

Martin Paehr, Lars Panning-von Scheidt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051019.
Paper No: GTP-24-1605
https://doi.org/10.1115/1.4066606
Published Online: November 22, 2024
View Articletitled, Application of Interface Reduction Methods to Rotordynamic Casing Models
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Topics: Damping, Friction, Manufacturing, Rotors, Polynomials, Stiffness, Bearings, Eigenvalues, Equations of motion, Excitation
Journal Articles

Development of Large-Diameter Hybrid Film-Riding Seals for Supercritical Carbon Dioxide Turbines

Rahul A. Bidkar, Uttara Kumar, Deepak Trivedi, Xiaohua Zhang, Collin Rambacher, Aaron Rimpel, Thomas Kerr, Jeremy Johnson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021031.
Paper No: GTP-24-1409
https://doi.org/10.1115/1.4067180
Published Online: November 20, 2024
View Articletitled, Development of Large-Diameter Hybrid Film-Riding Seals for Supercritical Carbon Dioxide Turbines
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Topics: Bearings, Design, Film thickness, Fluids, Leakage, Pressure, Rotors, Supercritical carbon dioxide, Temperature, Turbines
Journal Articles

A Thermal Model for a Hybrid Gas Bearing System in Oil-Free Turbochargers

Wonbae Jung, Adolfo Delgado, Anthony Dudlo, Sang-Guk Kang, Chol-Bum M. Kweon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041021.
Paper No: GTP-24-1519
https://doi.org/10.1115/1.4066588
Published Online: November 5, 2024
View Articletitled, A Thermal Model for a Hybrid Gas Bearing System in Oil-Free Turbochargers
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Topics: Bearings, Gas bearings, Pressure, Rotors, Temperature, Turbochargers, Stress, Heat, Flow (Dynamics), Thermohydrodynamics
Journal Articles

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

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. April 2025, 147(4): 041022.
Paper No: GTP-24-1520
https://doi.org/10.1115/1.4066613
Published Online: November 5, 2024
View Articletitled, Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements
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Topics: Ball bearings, Bearings, Rotors, Stiffness, Stress
Journal Articles

Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions

Howon Yi, Kyuman Kim, Hyunsung Jung, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021027.
Paper No: GTP-24-1501
https://doi.org/10.1115/1.4066539
Published Online: October 26, 2024
View Articletitled, Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions
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Topics: Bearings, Rotors, Water, Fluids, Nitrogen
Journal Articles

Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor

Niklas Maroldt, Joerg R. Seume
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031015.
Paper No: GTP-24-1513
https://doi.org/10.1115/1.4066372
Published Online: October 4, 2024
View Articletitled, Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor
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Topics: Blades, Damping, Finite element model, Vibration, Compressors, Bearings, Rotors, Computational fluid dynamics, Measurement uncertainty
Journal Articles

Multidisciplinary Design Methodology for Micro-Gas-Turbines—Part II: System Analysis and Optimization

Lukas Badum, Beni Cukurel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101002.
Paper No: GTP-23-1653
https://doi.org/10.1115/1.4064826
Published Online: April 12, 2024
View Articletitled, Multidisciplinary Design Methodology for Micro-Gas-Turbines—Part II: System Analysis and Optimization
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Topics: Bearings, Compressors, Design, Generators, Rotors, Temperature, Turbines, Heat transfer, Stress, Optimization
Journal Articles

Condition Monitoring of Wind Turbine Drivetrain Bearings

Konstantinos Gryllias, Junyu Qi, Alexandre Mauricio, Chenyu Liu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2024, 146(7): 071001.
Paper No: GTP-22-1001
https://doi.org/10.1115/1.4064366
Published Online: February 8, 2024
View Articletitled, Condition Monitoring of Wind Turbine Drivetrain Bearings
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Topics: Bearings, Condition monitoring, Signals, Wind turbines, Vibration
Journal Articles

Laser-Structured Thin Film Sensor Technology for Sliding Bearings in Internal Combustion Engines

Constantin Kiesling, Matheus Marques da Silva, Martin Kober, Andreas Wimmer, Jan Düsing, Gunther Hager
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081008.
Paper No: GTP-23-1684
https://doi.org/10.1115/1.4064451
Published Online: February 1, 2024
View Articletitled, Laser-Structured Thin Film Sensor Technology for Sliding Bearings in Internal Combustion Engines
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Topics: Bearings, Sensors, Manufacturing, Thin film sensors, Shells
Journal Articles

Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

Bugra Ertas, Keith Gary, Tom Adcock
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061008.
Paper No: GTP-23-1425
https://doi.org/10.1115/1.4063781
Published Online: January 4, 2024
View Articletitled, Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel
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Topics: Bearings, Dampers, Damping, Design, Fluid structure interaction, Secondary cells, Stiffness, Additive manufacturing, Flow (Dynamics), Vibration
Journal Articles

Tilting Pad Journal Bearing Computational Fluid Dynamic Parametric Modeling for New Energy Transition Challenges

Edoardo Gheller, Vishnu Vardhan Reddy, Satish Koyyalamudi, Steven Chatterton, Daniele Panara, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041019.
Paper No: GTP-23-1347
https://doi.org/10.1115/1.4063831
Published Online: December 26, 2023
View Articletitled, Tilting Pad Journal Bearing Computational Fluid Dynamic Parametric Modeling for New Energy Transition Challenges
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Topics: Bearings, Computational fluid dynamics, Equilibrium (Physics), Journal bearings, Modeling, Temperature, Turbulence, Pressure, Flow (Dynamics)
Journal Articles

Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB)

Yunseok Ha, Jungwan Kim, Keonwoo Jeong, Yongbok Lee
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041002.
Paper No: GTP-23-1422
https://doi.org/10.1115/1.4063591
Published Online: December 1, 2023
View Articletitled, Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB)
Open the PDF for Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB) in another window
Topics: Air compressors, Compressors, Impellers, Journal bearings, Rotors, Stress, Thrust, Thrust bearings, Vibration, Cooling
Journal Articles

An Algorithm for Starved Lubricated Journal Bearings With Optionally Locked Lube Oil Feed Grooves

Thomas Hagemann, Daniel Vetter, Hubert Schwarze
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021019.
Paper No: GTP-23-1457
https://doi.org/10.1115/1.4063528
Published Online: November 28, 2023
View Articletitled, An Algorithm for Starved Lubricated Journal Bearings With Optionally Locked Lube Oil Feed Grooves
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Topics: Algorithms, Bearings, Flow (Dynamics), Journal bearings, Lubricants, Pressure, Cavitation
Journal Articles

Analysis of Failure Forms of Bevel Gear, Shaft, and Bearing Structure System Considering Multi-Mode Damage Accumulation

Xudong Han, Jie Hong, Cheng Chen, Xueqi Chen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021020.
Paper No: GTP-23-1559
https://doi.org/10.1115/1.4063582
Published Online: November 28, 2023
View Articletitled, Analysis of Failure Forms of Bevel Gear, Shaft, and Bearing Structure System Considering Multi-Mode Damage Accumulation
Open the PDF for Analysis of Failure Forms of Bevel Gear, Shaft, and Bearing Structure System Considering Multi-Mode Damage Accumulation in another window
Topics: Cycles, Damage, Failure, Bevel gears, Bearings, Deformation
Journal Articles

Measurement of Temperature and Load Versus Bearing Displacement in a Thrust Foil Bearing: Differences Between Light Load and High Load Operation

Luis San Andrés, Azael Duran-Castillo, Juan Jauregui, Oscar de Santiago, Daniel Lubell
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031004.
Paper No: GTP-23-1382
https://doi.org/10.1115/1.4063545
Published Online: November 3, 2023
View Articletitled, Measurement of Temperature and Load Versus Bearing Displacement in a Thrust Foil Bearing: Differences Between Light Load and High Load Operation
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Topics: Bearings, Foil bearings, Stress, Thrust
Journal Articles

Machine Learning-Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate

Edoardo Gheller, Steven Chatterton, Daniele Panara, Gabriele Turini, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121017.
Paper No: GTP-23-1323
https://doi.org/10.1115/1.4063532
Published Online: October 26, 2023
View Articletitled, Machine Learning-Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate
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Topics: Artificial neural networks, Bearings, Optimization, Temperature, Journal bearings, Stress, Probes