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Journal Articles

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Nguyen LaTray, Daejong Kim, Myongsok Song

J. Eng. Gas Turbines Power. April 2021, 143(4): 041017.

Paper No: GTP-20-1721

DOI: https://doi.org/10.1115/1.4049884

Published Online: February 26, 2021

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Topics: Bearings, Deflection, Film thickness, Foil bearings, Hydrostatics, Pressure, Stress, Thrust, Turbomachinery, Disks

Journal Articles

Novel Thrust Foil Bearing With Pocket Grooves for Enhanced Static Performance

Nguyen LaTray, Daejong Kim

J. Tribol. November 2021, 143(11): 111803.

Paper No: TRIB-20-1472

DOI: https://doi.org/10.1115/1.4049941

Published Online: February 23, 2021

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Topics: Bearings, Design, Film thickness, Foil bearings, Pressure, Stress, Thrust, Thrust bearings

Proceedings Papers

Experimental Evaluation of 200mm Hybrid Air Foil Bearing Aimed for MW Scale Turbomachinery

Daejong Kim, Nguyen LaTray, Srikanth Honavara-Prasad

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A021, September 21–25, 2020

Paper No: GT2020-15042

DOI: https://doi.org/10.1115/GT2020-15042

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Topics: Foil bearings, Scaling laws (Mathematical physics), Stress, Turbomachinery

Proceedings Papers

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Nguyen LaTray, Daejong Kim, Myongsok Song

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A022, September 21–25, 2020

Paper No: GT2020-15056

DOI: https://doi.org/10.1115/GT2020-15056

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Topics: Foil bearings, Hydrostatics, Stress, Thrust, Turbomachinery

Proceedings Papers

Influence of Coating Technologies on Frictional Properties of Foil Bearings During Start/Stop Conditions

Azzedine Dadouche, Qi Yang, Daejong Kim

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A028, September 21–25, 2020

Paper No: GT2020-15662

DOI: https://doi.org/10.1115/GT2020-15662

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Topics: Coatings, Foil bearings, Bearings, Friction, Molybdenum, Thermocouples, Titanium, Torque, Accelerometers, Aluminum

Journal Articles

Design of Novel Gas Foil Thrust Bearings and Test Validation in a High-Speed Test Rig

Nguyen LaTray, Daejong Kim

J. Tribol. July 2020, 142(7): 071803.

Paper No: TRIB-19-1429

DOI: https://doi.org/10.1115/1.4046412

Published Online: March 11, 2020

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Topics: Bearings, Design, Stress, Thrust, Thrust bearings

Journal Articles

Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings

Behzad Zamanian Yazdi, Daejong Kim

J. Eng. Gas Turbines Power. December 2018, 140(12): 122504.

Paper No: GTP-18-1538

DOI: https://doi.org/10.1115/1.4041646

Published Online: October 23, 2018

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Topics: Bearings, Foil bearings, Rotors, Damping, Simulation, Stiffness, Orifices, Stability, Vibration

Proceedings Papers

Effect of Axial Force on Rotordynamics of a Rigid Rotor Supported by Foil Bearings

Wanhui Liu, Daejong Kim, Kai Feng

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A033, June 11–15, 2018

Paper No: GT2018-76261

DOI: https://doi.org/10.1115/GT2018-76261

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Topics: Foil bearings, Rotordynamics, Rotors, Bearings, Stability, Modal analysis, Simulation, Stiffness, Damping, Degrees of freedom

Proceedings Papers

A High Speed Test Rig Capable of Running at 190,000rpm to Characterize Gas Foil Thrust Bearings

Nguyen T. LaTray, Daejong Kim

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A043, June 11–15, 2018

Paper No: GT2018-77111

DOI: https://doi.org/10.1115/GT2018-77111

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Topics: Thrust bearings, Stress, Bearings, Testing, Design, Energy consumption, Film thickness, Instrumentation, Temperature, Test facilities

Proceedings Papers

Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings

Behzad Zamanian Yazdi, Daejong Kim

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A029, June 11–15, 2018

Paper No: GT2018-75983

DOI: https://doi.org/10.1115/GT2018-75983

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Topics: Foil bearings, Rotors, Orifices, Stability, Bearings, Damping, Film thickness, High temperature, Modal analysis, Simulation

Journal Articles

Rotordynamic Performance of Hybrid Air Foil Bearings With Regulated Hydrostatic Injection

Behzad Zamanian Yazdi, Daejong Kim

J. Eng. Gas Turbines Power. January 2018, 140(1): 012506.

Paper No: GTP-17-1278

DOI: https://doi.org/10.1115/1.4037667

Published Online: September 19, 2017

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Topics: Bearings, Foil bearings, Hydrostatics, Rotors, Vibration, Engineering simulation, Simulation, Stability, Clearances (Engineering), Pressure

Journal Articles

Rotordynamics Performance of Hybrid Foil Bearing Under Forced Vibration Input

Daejong Kim, Brian Nicholson, Lewis Rosado, Garry Givan

J. Eng. Gas Turbines Power. January 2018, 140(1): 012507.

Paper No: GTP-17-1286

DOI: https://doi.org/10.1115/1.4037624

Published Online: September 19, 2017

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Topics: Bearings, Excitation, Foil bearings, Impulse (Physics), Rotors, Simulation, Stiffness, Stress, Vibration, Weight (Mass)

Proceedings Papers

Rotordynamic Performance of Hybrid Air Foil Bearings With Regulated Hydrostatic Injection

Behzad Zamanian Yazdi, Daejong Kim

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A012, June 26–30, 2017

Paper No: GT2017-63495

DOI: https://doi.org/10.1115/GT2017-63495

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Topics: Foil bearings, Hydrostatics, Engineering simulation, Simulation, Bearings, Friction, Rotors, Vibration, Clearances (Engineering), Drag (Fluid dynamics)

Proceedings Papers

Rotordynamics Performance of Hybrid Foil Bearing Under Forced Vibration Input

Daejong Kim, Brian Nicholson, Lewis Rosado, Garry Givan

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A035, June 26–30, 2017

Paper No: GT2017-65233

DOI: https://doi.org/10.1115/GT2017-65233

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Topics: Foil bearings, Rotordynamics, Vibration, Bearings, Stress, Impulse (Physics), Rotors, Excitation, Air Force, Aircraft engines

Proceedings Papers

Design Approach for Large Foil Bearings Considering Rotordynamics

Srikanth Honavara Prasad, Daejong Kim

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A034, June 26–30, 2017

Paper No: GT2017-65105

DOI: https://doi.org/10.1115/GT2017-65105

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Topics: Design, Foil bearings, Rotordynamics, Bearings, Stiffness, Clearances (Engineering), Scaling laws (Mathematical physics), Stress, Turbochargers, Aerospace systems

Journal Articles

Erratum: “Design and Performance Prediction of Hybrid Air Foil Thrust Bearings” [ASME J. Eng. Gas Turbines Power, 2010, 133(4), p. 042501; DOI: 10.1115/1.4002249]

Donghyun Lee, Daejong Kim

J. Eng. Gas Turbines Power. August 2017, 139(8): 087001.

Paper No: GTP-17-1031

DOI: https://doi.org/10.1115/1.4035913

Published Online: April 4, 2017

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Topics: Design, Gas turbines, Thrust bearings, Friction, Fuel cell applications, Wear

Journal Articles

Rotordynamic Performance of a Shaft With Large Overhung Mass Supported by Foil Bearings

Nguyen LaTray, Daejong Kim

J. Eng. Gas Turbines Power. April 2017, 139(4): 042506.

Paper No: GTP-16-1315

DOI: https://doi.org/10.1115/1.4034918

Published Online: November 16, 2016

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Topics: Bearings, Foil bearings, Rotors, Vibration, Manufacturing

Journal Articles

Scaling Laws for Radial Clearance and Support Structure Stiffness of Radial Foil Bearings

Srikanth Honavara Prasad, Daejong Kim

J. Eng. Gas Turbines Power. April 2017, 139(4): 042502.

Paper No: GTP-16-1308

DOI: https://doi.org/10.1115/1.4034648

Published Online: October 26, 2016

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Topics: Bearings, Clearances (Engineering), Foil bearings, Scaling laws (Mathematical physics), Stiffness, Design

Proceedings Papers

Theoretical Study of Top Foil Sagging Effect on the Performance of Air Thrust Foil Bearing

Fangcheng Xu, Daejong Kim, Behzad Zamanian Yazdi

Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A013, June 13–17, 2016

Paper No: GT2016-56493

DOI: https://doi.org/10.1115/GT2016-56493

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Topics: Foil bearings, Thrust, Film thickness, Pressure, Stress, Bearings, Clearances (Engineering), Deflection, Design, Engineering simulation

Proceedings Papers

Scaling Laws of Radial Clearance and Bump Stiffness of Radial Foil Bearings

Srikanth Honavara Prasad, Daejong Kim

Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A020, June 13–17, 2016

Paper No: GT2016-56704

DOI: https://doi.org/10.1115/GT2016-56704

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Topics: Clearances (Engineering), Foil bearings, Scaling laws (Mathematical physics), Stiffness, Bearings, Design, Deflection, Compliance, Deformation, Energy dissipation

Journal citation

NARROW

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Novel Thrust Foil Bearing With Pocket Grooves for Enhanced Static Performance

Experimental Evaluation of 200mm Hybrid Air Foil Bearing Aimed for MW Scale Turbomachinery

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Influence of Coating Technologies on Frictional Properties of Foil Bearings During Start/Stop Conditions

Design of Novel Gas Foil Thrust Bearings and Test Validation in a High-Speed Test Rig

Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings

Effect of Axial Force on Rotordynamics of a Rigid Rotor Supported by Foil Bearings

A High Speed Test Rig Capable of Running at 190,000rpm to Characterize Gas Foil Thrust Bearings

Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings

Rotordynamic Performance of Hybrid Air Foil Bearings With Regulated Hydrostatic Injection

Rotordynamics Performance of Hybrid Foil Bearing Under Forced Vibration Input

Rotordynamic Performance of Hybrid Air Foil Bearings With Regulated Hydrostatic Injection

Rotordynamics Performance of Hybrid Foil Bearing Under Forced Vibration Input

Design Approach for Large Foil Bearings Considering Rotordynamics

Erratum: “Design and Performance Prediction of Hybrid Air Foil Thrust Bearings” [ASME J. Eng. Gas Turbines Power, 2010, 133(4), p. 042501; DOI: 10.1115/1.4002249]

Rotordynamic Performance of a Shaft With Large Overhung Mass Supported by Foil Bearings

Scaling Laws for Radial Clearance and Support Structure Stiffness of Radial Foil Bearings

Theoretical Study of Top Foil Sagging Effect on the Performance of Air Thrust Foil Bearing

Scaling Laws of Radial Clearance and Bump Stiffness of Radial Foil Bearings

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