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Journal Articles

A Study On Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines

Accepted Manuscript
Lukas Schuchard, Maximilian Bien, Karl Ziaja, Norman Blanken, Jan Göing, Jens Friedrichs, Francesca di Mare, Bernd Ponick, Ronald Mailach
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1340
https://doi.org/10.1115/1.4063580
Published Online: September 30, 2023
View Article titled, A Study On Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines
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Topics: Maintenance, Engines, Aircraft propulsion, Design, Gas turbines, Machinery, Stress, Aircraft, Architecture, Bearings
Journal Articles

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

Accepted Manuscript
Xudong Han, Jie Hong, Cheng Chen, Xueqi Chen
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1559
https://doi.org/10.1115/1.4063582
Published Online: September 30, 2023
View Article titled, Analysis of Failure Forms of Bevel Gear, Shaft and Bearing Structure System Considering Multi-Mode Damage Accumulation
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Topics: Bearings, Bevel gears, Damage, Failure analysis, Failure, Stress, Manufacturing, Chaos, Compressors, Cycles
Journal Articles

On the Performance of Hydrostatic Journal Bearings in Air, Water, and Liquid Nitrogen: Measurements and Predictions

Hyunsung Jung, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. November 2023, 145(11): 111011.
Paper No: GTP-23-1304
https://doi.org/10.1115/1.4063282
Published Online: September 29, 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: Bearings, Hydrostatics, Journal bearings, Nitrogen, Stress, Water, Fluids, Pressure, Flow (Dynamics)
Journal Articles

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

Homin Lim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. November 2023, 145(11): 111010.
Paper No: GTP-23-1303
https://doi.org/10.1115/1.4063308
Published Online: September 29, 2023
View Article titled, Experimental Force Coefficients of a Hydrostatic Thrust Bearing and Comparisons to Predictions
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Topics: Bearings, Film thickness, Hydrostatics, Stress, Thrust bearings, Pressure, Stiffness, Hammers, Thrust
Journal Articles

Machine Learning Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate

Accepted Manuscript
Edoardo Gheller, Steven Chatterton, Daniele Panara, Gabriele Turini, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1323
https://doi.org/10.1115/1.4063532
Published Online: September 29, 2023
View Article titled, Machine Learning Based Optimizer for Tilting Pad Journal Bearing Inlet Flowrate
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Topics: Journal bearings, Machine learning, Bearings, Artificial neural networks, Fluid films, Optimization, Compressors, Design, Economics , Energy generation
Journal Articles

Effect of Air-Liquid Homogeneous Mixture On the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing

Accepted Manuscript
Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1333
https://doi.org/10.1115/1.4063523
Published Online: September 29, 2023
View Article titled, Effect of Air-Liquid Homogeneous Mixture On the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing
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Topics: Hydrostatics, Journal bearings, Water, Pumps, Bearings, Flow (Dynamics), Viscosity, Compressibility, Contamination, Damping
Journal Articles

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

Accepted Manuscript
Thomas Hagemann, Daniel Vetter, 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-23-1457
https://doi.org/10.1115/1.4063528
Published Online: September 29, 2023
View Article titled, An Algorithm for Starved Lubricated Journal Bearings with Optionally Locked Lube Oil Feed Grooves
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Topics: Algorithms, Journal bearings, Bearings, Flow (Dynamics), Boundary-value problems, Cavitation, Concretes, Design, Energy dissipation, Linear systems
Journal Articles

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

Accepted Manuscript
Luis San Andres, Azael Duran-Castillo, Juan C. Jauregui, Oscar De Santiago Duran, Daniel Lubell
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1382
https://doi.org/10.1115/1.4063545
Published Online: September 29, 2023
View Article titled, Measurement of Temperature and Load Vs. Bearing Displacement in a Thrust Foil Bearing: Differences Between Light Load and High Load Operation
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Topics: Bearings, Displacement, Foil bearings, Stress, Temperature measurement, Thrust, Knudsen number, Deformation, Cooling, Film thickness
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

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

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)