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Journal Articles

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

Accepted Manuscript
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.
Paper No: GTP-24-1601
https://doi.org/10.1115/1.4066780
Published Online: October 4, 2024
View Article titled, Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability In Hydrostatic Thrust Bearings: Analysis And Experimental Validation
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Topics: Hammers, Hydrostatics, Thrust bearings, Bearings, Stress, Design, Stiffness, Damping, Fluids, Friction
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

Accepted Manuscript
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.
Paper No: GTP-24-1603
https://doi.org/10.1115/1.4066781
Published Online: October 4, 2024
View Article titled, Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen
Open the PDF for Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen in another window
Topics: Design, Hydrostatics, Journal bearings, Lasers, Nitrogen, Stress, Testing, Turbomachinery, Water, Bearings
Journal Articles

Temperature Dependence of Aerated Turbine Lubricating Oil Degradation from a Lab-Scale Test Rig

Accepted Manuscript
Raquel Juárez, Barry Creighton, Eric Petersen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1641
https://doi.org/10.1115/1.4066787
Published Online: October 4, 2024
View Article titled, Temperature Dependence of Aerated Turbine Lubricating Oil Degradation from a Lab-Scale Test Rig
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Topics: Lubricating oils, Temperature effects, Turbines, Lubricants, Temperature, Electromagnetic induction, Engines, Coke, Economics , Flow (Dynamics)
Journal Articles

The Effect of Air-Water Mixture on The Dynamic Response of A Hydrodynamic Journal Bearing With Inclined Grooves

Accepted Manuscript
Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1626
https://doi.org/10.1115/1.4066716
Published Online: September 28, 2024
View Article titled, The Effect of Air-Water Mixture on The Dynamic Response of A Hydrodynamic Journal Bearing With Inclined Grooves
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Topics: Dynamic response, Journal bearings, Water, Stress, Bearings, Stability, Lubricants, Friction, Nuclear power stations, Pressure
Journal Articles

Ignition of Aged Lubricants in a Shock Tube

Matthew Abulail, Raquel Juárez, Eric L. Petersen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121013.
Paper No: GTP-24-1299
https://doi.org/10.1115/1.4066166
Published Online: September 5, 2024
View Article titled, Ignition of Aged Lubricants in a Shock Tube
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Topics: Ejectors, Ignition, Lubricants, Shock tubes, Temperature, Fuels, Pressure, Shock (Mechanics), Combustion, Coke
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 Article titled, 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

Ignition of Various Lubricating Oil Compositions Using a Shock Tube

Matthew Abulail, Sean P. Cooper, Matthew G. Sandberg, Eric L. Petersen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031003.
Paper No: GTP-23-1379
https://doi.org/10.1115/1.4063543
Published Online: November 3, 2023
View Article titled, Ignition of Various Lubricating Oil Compositions Using a Shock Tube
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Topics: Ejectors, Ignition, Ignition delay, Lubricating oils, Mineral oil, Pressure, Shock tubes, Sprays, Temperature, Shock (Mechanics)
Journal Articles

Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion

Bryan Rodríguez, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021004.
Paper No: GTP-23-1377
https://doi.org/10.1115/1.4063320
Published Online: October 25, 2023
View Article titled, Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion
Open the PDF for Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion in another window
Topics: Dampers, Damping, Pressure, Seals, Stiffness, Whirls, Lubricants
Journal Articles

The Impact of Thermal Load and Turbulent Flow on Minimum Film Thickness of a Large Tilting-Pad Journal Bearing

Daniel Vetter, Thomas Hagemann, Hubert Schwarze
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011007.
Paper No: GTP-23-1370
https://doi.org/10.1115/1.4063383
Published Online: October 17, 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: Approximation, Bearings, Clearances (Engineering), Deformation, Film thickness, Stress, Temperature, Thermomechanics, Turbulence, Journal bearings
Journal Articles

Experimental Investigation of Friction Damping in Blade Root Joints

Daniele Botto, Federica Cuccovillo, Veronica Iannotti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051010.
Paper No: GTP-22-1539
https://doi.org/10.1115/1.4056099
Published Online: December 22, 2022
View Article titled, Experimental Investigation of Friction Damping in Blade Root Joints
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Topics: Blades, Damping, Displacement, Friction, Stress, Stiffness, Vibration, Signals, Lubricants
Journal Articles

A Model and Experimental Validation for a Piston Rings—Squeeze Film Damper: A Step Toward Quantifying Air Ingestion

Bonjin Koo, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041012.
Paper No: GTP-22-1403
https://doi.org/10.1115/1.4055712
Published Online: December 13, 2022
View Article titled, A Model and Experimental Validation for a Piston Rings—Squeeze Film Damper: A Step Toward Quantifying Air Ingestion
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Topics: Dampers, Damping, Pressure, Piston rings, Pistons, Lubricants, Whirls
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
Publisher: ASME
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
Journal Articles

Influence of Lubricant Film Cavitation on the Vibration Behavior of a Semifloating Ring Supported Turbocharger Rotor With Thrust Bearing

Christian Ziese, Cornelius Irmscher, Steffen Nitzschke, Christian Daniel, Elmar Woschke, Thomas Klimpel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041014.
Paper No: GTP-21-1437
https://doi.org/10.1115/1.4053266
Published Online: February 10, 2022
View Article titled, Influence of Lubricant Film Cavitation on the Vibration Behavior of a Semifloating Ring Supported Turbocharger Rotor With Thrust Bearing
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Topics: Bearings, Cavitation, Lubricants, Lubrication, Pressure, Rotors, Temperature, Thrust bearings, Bushings, Simulation
Journal Articles

High-Temperature Ignition Kinetics of Gas Turbine Lubricating Oils

Sean P. Cooper, Eric L. Petersen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111020.
Paper No: GTP-21-1295
https://doi.org/10.1115/1.4051985
Published Online: October 5, 2021
View Article titled, High-Temperature Ignition Kinetics of Gas Turbine Lubricating Oils
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Topics: Gas turbines, Ignition, Lubricants, Lubricating oils, Shock tubes, Sprays, Temperature, High temperature, Modeling, Ignition delay
Journal Articles

Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing With Flooded Ends

Luis San Andrés, Jonathan Toner, Andy Alcantar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111012.
Paper No: GTP-21-1385
https://doi.org/10.1115/1.4052268
Published Online: September 30, 2021
View Article titled, Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing With Flooded Ends
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Topics: Bearings, Flow (Dynamics), Stress, Temperature, Lubricants
Journal Articles

On the Experimental Dynamic Force Performance of a Squeeze Film Damper Supplied Through a Check Valve and Sealed With O-Rings

Luis San Andrés, Bryan Rodríguez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111011.
Paper No: GTP-21-1380
https://doi.org/10.1115/1.4051964
Published Online: September 30, 2021
View Article titled, On the Experimental Dynamic Force Performance of a Squeeze Film Damper Supplied Through a Check Valve and Sealed With O-Rings
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Topics: Dampers, Damping, Lubricants, Pressure, Seals, Stiffness, Valves, Stress
Journal Articles

Auto-Ignition of Gas Turbine Lubricating Oils in a Shock Tube Using Spray Injection

Sean P. Cooper, Zachary K. Browne, Sulaiman A. Alturaifi, Olivier Mathieu, Eric L. Petersen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051008.
Paper No: GTP-20-1407
https://doi.org/10.1115/1.4049484
Published Online: March 11, 2021
View Article titled, Auto-Ignition of Gas Turbine Lubricating Oils in a Shock Tube Using Spray Injection
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Topics: Ignition, Lubricants, Lubricating oils, Shock tubes, Sprays, Gas turbines, Pressure, Temperature, Ignition delay, Emissions
Journal Articles

On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions

Xueliang Lu, Luis San Andrés, Bonjin Koo, Scott Tran
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011014.
Paper No: GTP-20-1464
https://doi.org/10.1115/1.4048700
Published Online: January 4, 2021
View Article titled, On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions
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Topics: Dampers, Flow (Dynamics), Stiffness, Bearings, Damping, Lubricants, Excitation, Stress
Journal Articles

Squeeze Film Damper Suppression of Thermal Bow-Morton Effect Instability

Dongil Shin, Alan B. Palazzolo, Xiaomeng Tong
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121013.
Paper No: GTP-20-1389
https://doi.org/10.1115/1.4048602
Published Online: December 1, 2020
View Article titled, Squeeze Film Damper Suppression of Thermal Bow-Morton Effect Instability
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Topics: Bearings, Dampers, Damping, Rotors, Simulation, Stiffness, Vibration, Transients (Dynamics), Lubricants, Journal bearings
Journal Articles

Model and Experimental Verification of the Dynamic Forced Performance of a Tightly Sealed Squeeze Film Damper Supplied With a Bubbly Mixture

Luis San Andrés, Bonjin Koo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011023.
Paper No: GTP-19-1415
https://doi.org/10.1115/1.4044994
Published Online: December 12, 2019
View Article titled, Model and Experimental Verification of the Dynamic Forced Performance of a Tightly Sealed Squeeze Film Damper Supplied With a Bubbly Mixture
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Topics: Dampers, Damping, Flow (Dynamics), Lubricants, Pressure, Stiffness, Whirls, Inertia (Mechanics)