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Journal Articles

Parametric Reduced Order Model Of A Gas Bearings Supported Rotor

Accepted Manuscript
Dimitri Goutaudier, Jüurg Schiffmann, Fabio Nobile
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1327
https://doi.org/10.1115/1.4063424
Published Online: September 14, 2023
View Article titled, Parametric Reduced Order Model Of A Gas Bearings Supported Rotor
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Topics: Gas bearings, Rotors, Bearings, Computation, Dimensions, Lubricants, Machinery, Maintenance, Pressurized gas
Journal Articles

The Impact Of Thermal Load And Turbulent Flow On Minimum Film Thickness Of A Large Tilting-Pad Journal Bearing

Accepted Manuscript
Daniel Vetter, Thomas Hagemann, Hubert Schwarze
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1370
https://doi.org/10.1115/1.4063383
Published Online: September 8, 2023
View Article titled, The Impact Of Thermal Load And Turbulent Flow On Minimum Film Thickness Of A Large Tilting-Pad Journal Bearing
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Topics: Film thickness, Journal bearings, Thermal loads, Turbulence, Bearings, Thermal expansion, Algorithms, Approximation, Clearances (Engineering), Deflection
Journal Articles

On The Performance Of Hydrostatic Journal Bearings In Air, Water, And Liquid Nitrogen: Measurements And Predictions

Accepted Manuscript
Hyunsung Jung, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1304
https://doi.org/10.1115/1.4063282
Published Online: August 30, 2023
View Article titled, On The Performance Of Hydrostatic Journal Bearings In Air, Water, And Liquid Nitrogen: Measurements And Predictions
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Topics: Hydrostatics, Journal bearings, Nitrogen, Water, Bearings, Stress, Fluids, Rocket engines, Durability, Flow (Dynamics)
Journal Articles

Effect of Centrifugal Force of Gas Film On the Load Capacity of Thrust Gas Bearing

Accepted Manuscript
Daejong Kim
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1362
https://doi.org/10.1115/1.4063319
Published Online: August 1, 2023
View Article titled, Effect of Centrifugal Force of Gas Film On the Load Capacity of Thrust Gas Bearing
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Topics: Centrifugal force, Gas bearings, Stress, Thrust, Temperature, Pressure, Thrust bearings, Engineering simulation, Simulation, Bearings
Journal Articles

Experimental Force Coefficients of a Hydrostatic Thrust Bearing and Comparisons to Predictions

Accepted Manuscript
Homin Lim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1303
https://doi.org/10.1115/1.4063308
Published Online: August 1, 2023
View Article titled, Experimental Force Coefficients of a Hydrostatic Thrust Bearing and Comparisons to Predictions
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Topics: Hydrostatics, Thrust bearings, Bearings, Hammers, Damping, Design, Film thickness, Stress, Databases, Excitation
Journal Articles

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

Luis San Andrés, Andy Alcantar
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061012.
Paper No: GTP-22-1468
https://doi.org/10.1115/1.4056535
Published Online: January 17, 2023
View Article titled, Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions
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Topics: Bearings, Flow (Dynamics), Stress, Temperature
Journal Articles

Finite Element Analysis of Bent Rotors

Konrad Juethner, Ted Rose, J. S. Kumar, Jianming Cao, Gregory M. Savela, Chris J. Zuck, Parag H. Mathuria
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011025.
Paper No: GTP-22-1404
https://doi.org/10.1115/1.4055452
Published Online: December 14, 2022
View Article titled, Finite Element Analysis of Bent Rotors
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Topics: Rotors, Bearings
Journal Articles

Stability of a Rotor Partially Filled With Fluid: Test Facility and Experimental Results

Marie Kasprzyk, John Sentmanat, Adolfo Delgado
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041019.
Paper No: GTP-22-1517
https://doi.org/10.1115/1.4055946
Published Online: December 13, 2022
View Article titled, Stability of a Rotor Partially Filled With Fluid: Test Facility and Experimental Results
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Topics: Damping, Fluids, Rotors, Vibration, Waves, Bearings, Whirls
Journal Articles

Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multiscratched Tilting Pad Journal Bearing

Mohamed-Amine Hassini, Silun Zhang, Steven Chatterton, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021008.
Paper No: GTP-22-1312
https://doi.org/10.1115/1.4055482
Published Online: November 28, 2022
View Article titled, Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multiscratched Tilting Pad Journal Bearing
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Topics: Bearings, Film thickness, Journal bearings, Pressure, Rotors, Stiffness, Stress, Temperature, Displacement, Damping
Journal Articles

Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation

Ioannis Gavalas, Athanasios Chasalevris
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011003.
Paper No: GTP-22-1375
https://doi.org/10.1115/1.4055533
Published Online: October 19, 2022
View Article titled, Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation
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Topics: Bearings, Bifurcation, Rotors, Trains, Design, Turbogenerators, Limit cycles, Stability
Journal Articles

Roller Bearing Skidding for Aero-Engine Applications: All-Steel Versus Hybrid Bearings

Azzedine Dadouche, Rami Kerrouche
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011004.
Paper No: GTP-22-1385
https://doi.org/10.1115/1.4055510
Published Online: October 19, 2022
View Article titled, Roller Bearing Skidding for Aero-Engine Applications: All-Steel Versus Hybrid Bearings
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Topics: Bearings, Roller bearings, Stress, Rollers
Journal Articles

Design Methodology and Concept Demonstration of Preassembled Additively Manufactured Turbomachinery Systems: Case Study of Turbocharger Based Medical Ventilators

Acar Çelik, David Linsky, Ron Miezner, Alex Kleiman, Boris Leizeronok, Michael Palman, Sercan Acarer, Beni Cukurel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121010.
Paper No: GTP-22-1353
https://doi.org/10.1115/1.4055461
Published Online: October 7, 2022
View Article titled, Design Methodology and Concept Demonstration of Preassembled Additively Manufactured Turbomachinery Systems: Case Study of Turbocharger Based Medical Ventilators
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Topics: Additive manufacturing, Bearings, Biomedicine, Design, Flow (Dynamics), Hydrostatics, Pressure, Turbines, Turbomachinery, Manufacturing
Journal Articles

On the Pneumatic Hammer of Hybrid Gas Bearings: Measurements and Predictions

Hyunsung Jung, Seki Sin, Kyuman Kim, Junwon Heo, Minsoo Wee, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121011.
Paper No: GTP-22-1366
https://doi.org/10.1115/1.4055485
Published Online: October 7, 2022
View Article titled, On the Pneumatic Hammer of Hybrid Gas Bearings: Measurements and Predictions
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Topics: Bearings, Damping, Hammers, Pressure, Gas bearings, Stress, Vibration
Journal Articles

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System

Wonbae Jung, Luis San Andrés, Jungbae Kim
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111002.
Paper No: GTP-22-1275
https://doi.org/10.1115/1.4055365
Published Online: September 20, 2022
View Article titled, A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System
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Topics: Bearings, Rotors, Clearances (Engineering)
Journal Articles

Forced Response System Identification of Full Aero-Engine Rotordynamic Systems for Prognostics and Diagnostics

I. Hur, Z. S. Spakovszky
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101008.
Paper No: GTP-22-1310
https://doi.org/10.1115/1.4055216
Published Online: September 2, 2022
View Article titled, Forced Response System Identification of Full Aero-Engine Rotordynamic Systems for Prognostics and Diagnostics
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Topics: Aircraft engines, Damping, Engines, System identification, Rotors, Modeling, Design, Bearings, Vibration
Journal Articles

How Do Interfacial Shear and Gravity Affect the Oil Film Characteristics Near an Aero-Engine Bearing?

Avick Sinha, Benjamin Brewster, Kathy Johnson, Mike Walsh, David Hann
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101001.
Paper No: GTP-22-1037
https://doi.org/10.1115/1.4055211
Published Online: August 25, 2022
View Article titled, How Do Interfacial Shear and Gravity Affect the Oil Film Characteristics Near an Aero-Engine Bearing?
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Topics: Aircraft engines, Bearings, Film thickness, Flow (Dynamics), Gravity (Force), Shear (Mechanics), Stress, Waves, Imaging
Journal Articles

Rotor Stability Effects of Tilting Pad Journal Bearings With Assembled Clearance Asymmetry

Leonardo Urbiola-Soto, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081009.
Paper No: GTP-22-1010
https://doi.org/10.1115/1.4054606
Published Online: June 20, 2022
View Article titled, Rotor Stability Effects of Tilting Pad Journal Bearings With Assembled Clearance Asymmetry
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Topics: Bearings, Clearances (Engineering), Rotors, Stability, Stiffness, Shells, Journal bearings, American Petroleum Institute, Manufacturing
Journal Articles

Experimental Study of Various Low-Friction Coatings for High-Temperature Gas Foil Bearings Under Cold-Start Conditions

Paweł Bagiński, Grzegorz Żywica
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081007.
Paper No: GTP-21-1459
https://doi.org/10.1115/1.4054746
Published Online: June 20, 2022
View Article titled, Experimental Study of Various Low-Friction Coatings for High-Temperature Gas Foil Bearings Under Cold-Start Conditions
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Topics: Bearings, Coatings, Cycles, Foil bearings, Friction, Stress, Temperature, Torque, High temperature, Wear
Journal Articles

Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings

Jason Wilkes, Steve White
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071008.
Paper No: GTP-22-1015
https://doi.org/10.1115/1.4054059
Published Online: May 20, 2022
View Article titled, Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings
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Topics: Bearings, Damping, Foil bearings, Pressure, Stiffness, Gas bearings
Journal Articles

Static and Dynamic Characteristics of Journal Bearings Under Uncertainty: A Nonprobabilistic Perspective

Chao Fu, Weidong Zhu, Jiaojiao Ma, Fengshou Gu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071012.
Paper No: GTP-22-1040
https://doi.org/10.1115/1.4054376
Published Online: May 20, 2022
View Article titled, Static and Dynamic Characteristics of Journal Bearings Under Uncertainty: A Nonprobabilistic Perspective
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Topics: Bearings, Journal bearings, Uncertainty, Viscosity, Clearances (Engineering), Pressure, Lubricants, Stress, Film thickness