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Proceedings Papers

Design Characteristics of an Aerodynamic Foil Bearing With Adaptable Bore Clearance

Hossein Sadri, Henning Schlums, Michael Sinapius
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A031, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76204
https://doi.org/10.1115/GT2018-76204
View Paper titled, Design Characteristics of an Aerodynamic Foil Bearing With Adaptable Bore Clearance
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Topics: Clearances (Engineering), Design, Foil bearings, Bearings, Shapes, Stress, Actuators, Cooling, Exhaust systems, Finite element methods
Proceedings Papers

Ultra-High Temperature Compliant Foil Bearings: The Journey to 870°C and Application in Gas Turbine Engines — Experiment

Hooshang Heshmat, James F. Walton, II, Brian D. Nicholson
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75555
https://doi.org/10.1115/GT2018-75555
View Paper titled, Ultra-High Temperature Compliant Foil Bearings: The Journey to 870°C and Application in Gas Turbine Engines — Experiment
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Topics: Foil bearings, Gas turbines, Temperature, Bearings, Ceramics, High temperature, Testing, Turbochargers, Air Force, Automotive engines
Proceedings Papers

On the Design, Manufacture and Premature Failure of a Metal Mesh Thrust Bearing: How Concepts That Work on Paper, Actually Do Not

Travis A. Cable, Luis San Andrés
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75340
https://doi.org/10.1115/GT2018-75340
View Paper titled, On the Design, Manufacture and Premature Failure of a Metal Mesh Thrust Bearing: How Concepts That Work on Paper, Actually Do Not
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Topics: Design, Failure, Metals, Thrust bearings, Bearings, Rotors, Damping, Foil bearings, Stress, Coating processes
Proceedings Papers

Vibration Control for Rotor Mounted on a Novel Active Bump Type Foil Bearing With Controllable Mechanical Preloads

Hanqing Guan, Tianyu Liu, Tao Zhang, Kai Feng, Zhiyang Guo
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A028, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75894
https://doi.org/10.1115/GT2018-75894
View Paper titled, Vibration Control for Rotor Mounted on a Novel Active Bump Type Foil Bearing With Controllable Mechanical Preloads
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Topics: Foil bearings, Rotors, Vibration control, Bearings, Levers, Deformation, Adaptive structures, Bending (Stress), Clearances (Engineering), Drag (Fluid dynamics)
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76261
https://doi.org/10.1115/GT2018-76261
View Paper titled, Effect of Axial Force on Rotordynamics of a Rigid Rotor Supported by Foil Bearings
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Topics: Foil bearings, Rotordynamics, Rotors, Bearings, Stability, Modal analysis, Simulation, Stiffness, Damping, Degrees of freedom
Proceedings Papers

Design and Evaluation of Hybrid Magnetic Bearings for Turbo Compressors

Cheol Hoon Park, Jun Young Park, Eui Soo Yoon
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75273
https://doi.org/10.1115/GT2018-75273
View Paper titled, Design and Evaluation of Hybrid Magnetic Bearings for Turbo Compressors
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Topics: Compressors, Design, Magnetic bearings, Turbochargers, Sensors, Thrust, Vibration, Machinery, Rotors, Stress
Proceedings Papers

A Feasibility Study of Controllable Gas Foil Bearings With Piezoelectric Materials via Rotordynamic Model Predictions

Jisu Park, Kyuho Sim
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A034, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76273
https://doi.org/10.1115/GT2018-76273
View Paper titled, A Feasibility Study of Controllable Gas Foil Bearings With Piezoelectric Materials via Rotordynamic Model Predictions
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Topics: Foil bearings, Piezoelectric materials, Bearings, Clearances (Engineering), Lubrication, Shapes, Damping, Film thickness, Fluid films, Gas bearings
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75983
https://doi.org/10.1115/GT2018-75983
View Paper titled, Effect of Circumferential Location of Radial Injection on Rotordynamic Performance of Hybrid Air Foil Bearings
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Topics: Foil bearings, Rotors, Orifices, Stability, Bearings, Damping, Film thickness, High temperature, Modal analysis, Simulation
Proceedings Papers

Comparison of Modelling Approaches for Bump-Type Foil Thrust Bearings Operating With CO 2

Kan Qin, Daijin Li, Kai Luo, Zhansheng Tian, Ingo H. Jahn
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75705
https://doi.org/10.1115/GT2018-75705
View Paper titled, Comparison of Modelling Approaches for Bump-Type Foil Thrust Bearings Operating With CO 2
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Topics: Carbon dioxide, Modeling, Thrust bearings, Computational fluid dynamics, Deformation, Rotors, Separation (Technology), Stress, Deflection, Heating
Proceedings Papers

Evaluation of Coated Top Foil Bearings: Dry Friction, Drag Torque, and Dynamic Force Coefficients

Luis San Andrés, Wonbae Jung
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A018, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75595
https://doi.org/10.1115/GT2018-75595
View Paper titled, Evaluation of Coated Top Foil Bearings: Dry Friction, Drag Torque, and Dynamic Force Coefficients
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Topics: Drag (Fluid dynamics), Dry friction, Foil bearings, Torque, Bearings, Stress, Coating processes, Coatings, Rotors, Excitation
Proceedings Papers

The Influences of Unbalance Mass, Mesh Density, and Bearing Clearance on Unbalance Response: Measurements and Analysis on a Rigid Rotor Supported by Hybrid Bump-Metal Mesh Foil Bearings

Xueyuan Zhao, Tao Zhang, Kai Feng
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT33A005, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64206
https://doi.org/10.1115/GT2017-64206
View Paper titled, The Influences of Unbalance Mass, Mesh Density, and Bearing Clearance on Unbalance Response: Measurements and Analysis on a Rigid Rotor Supported by Hybrid Bump-Metal Mesh Foil Bearings
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Topics: Bearings, Clearances (Engineering), Density, Foil bearings, Metals, Rotors, Cooling, Damping, Impulse (Physics), Stability
Proceedings Papers

Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings

Gen Fu, Alexandrina Untaroiu, Erik Swanson
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A016, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64535
https://doi.org/10.1115/GT2017-64535
View Paper titled, Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings
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Topics: Foil bearings, Geometry, Thrust, Computational fluid dynamics, Design, Film thickness, Fluids, Friction, Rotors, Stress
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63495
https://doi.org/10.1115/GT2017-63495
View Paper titled, Rotordynamic Performance of Hybrid Air Foil Bearings With Regulated Hydrostatic Injection
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Topics: Foil bearings, Hydrostatics, Engineering simulation, Simulation, Bearings, Friction, Rotors, Vibration, Clearances (Engineering), Drag (Fluid dynamics)
Proceedings Papers

Numerical Analysis of the Impact of Manufacturing Errors on the Structural Stiffness of Foil Bearings

Aurelian Fatu, Mihai Arghir
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A019, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63822
https://doi.org/10.1115/GT2017-63822
View Paper titled, Numerical Analysis of the Impact of Manufacturing Errors on the Structural Stiffness of Foil Bearings
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Topics: Errors, Foil bearings, Manufacturing, Numerical analysis, Stiffness, Mechanical properties, Bearings, Clearances (Engineering), Damping, Elasticity
Proceedings Papers

Comparative Evaluation of Foil Bearings With Different Compliant Structures for Improved Manufacturability

K. Shalash, J. Schiffmann
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A014, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63615
https://doi.org/10.1115/GT2017-63615
View Paper titled, Comparative Evaluation of Foil Bearings With Different Compliant Structures for Improved Manufacturability
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Topics: Foil bearings, Manufacturing, Bearings, Cantilever beams, Clearances (Engineering), Robustness, Stiffness, Uncertainty, Cantilevers, Displacement
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65233
https://doi.org/10.1115/GT2017-65233
View Paper titled, Rotordynamics Performance of Hybrid Foil Bearing Under Forced Vibration Input
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65105
https://doi.org/10.1115/GT2017-65105
View Paper titled, Design Approach for Large Foil Bearings Considering Rotordynamics
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Topics: Design, Foil bearings, Rotordynamics, Bearings, Stiffness, Clearances (Engineering), Scaling laws (Mathematical physics), Stress, Turbochargers, Aerospace systems
Proceedings Papers

The Wing Foil: A Novel Compliant Radial Foil Bearing Design

Erik E. Swanson, P. Shawn O’Meara
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A002, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63185
https://doi.org/10.1115/GT2017-63185
View Paper titled, The Wing Foil: A Novel Compliant Radial Foil Bearing Design
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Topics: Design, Foil bearings, Wings, Bearings, Cantilevers, Damping, Steam, Vibration
Proceedings Papers

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

Nguyen LaTray, Daejong Kim
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A010, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56508
https://doi.org/10.1115/GT2016-56508
View Paper titled, Rotordynamic Performance of a Shaft With Large Overhung Mass Supported by Foil Bearings
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Topics: Foil bearings, Rotors, Bearings, Vibration, Design, Manufacturing, Simulation, Transients (Dynamics), Turbomachinery, Vibrational spectra
Proceedings Papers

Oil-Free Automotive Turbochargers: Drag Friction and On-Engine Performance Comparisons to Oil-Lubricated Commercial Turbochargers

Keun Ryu, Zachary Ashton
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A034, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57855
https://doi.org/10.1115/GT2016-57855
View Paper titled, Oil-Free Automotive Turbochargers: Drag Friction and On-Engine Performance Comparisons to Oil-Lubricated Commercial Turbochargers
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Topics: Drag (Fluid dynamics), Engines, Friction, Turbochargers, Rotors, Bearings, Reliability, Shorelines, Wear, Compressors