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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
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051010.
Paper No: GTP-22-1539
DOI: https://doi.org/10.1115/1.4056099
Published Online: December 22, 2022
View Article titled, Experimental Investigation of Friction Damping in Blade Root Joints
Click here to open pdf in another window PDF for Experimental Investigation of Friction Damping in Blade Root Joints
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041012.
Paper No: GTP-22-1403
DOI: 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
Click here to open pdf in another window PDF for A Model and Experimental Validation for a Piston Rings—Squeeze Film Damper: A Step Toward Quantifying Air Ingestion
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071012.
Paper No: GTP-22-1040
DOI: 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
Click here to open pdf in another window PDF for Static and Dynamic Characteristics of Journal Bearings Under Uncertainty: A Nonprobabilistic Perspective
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041014.
Paper No: GTP-21-1437
DOI: 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
Click here to open pdf in another window PDF for Influence of Lubricant Film Cavitation on the Vibration Behavior of a Semifloating Ring Supported Turbocharger Rotor With Thrust Bearing
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111020.
Paper No: GTP-21-1295
DOI: https://doi.org/10.1115/1.4051985
Published Online: October 5, 2021
View Article titled, High-Temperature Ignition Kinetics of Gas Turbine Lubricating Oils
Click here to open pdf in another window PDF for High-Temperature Ignition Kinetics of Gas Turbine Lubricating Oils
Topics: Gas turbines, Ignition, Lubricants, Lubricating oils, Shock tubes, Sprays, Temperature, High temperature, Modeling, Ignition delay
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111011.
Paper No: GTP-21-1380
DOI: 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
Click here to open pdf in another window PDF for On the Experimental Dynamic Force Performance of a Squeeze Film Damper Supplied Through a Check Valve and Sealed With O-Rings
Topics: Dampers, Damping, Lubricants, Pressure, Seals, Stiffness, Valves, Stress
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111012.
Paper No: GTP-21-1385
DOI: 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
Click here to open pdf in another window PDF for Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing With Flooded Ends
Topics: Bearings, Flow (Dynamics), Stress, Temperature, Lubricants
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051008.
Paper No: GTP-20-1407
DOI: 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
Click here to open pdf in another window PDF for Auto-Ignition of Gas Turbine Lubricating Oils in a Shock Tube Using Spray Injection
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011014.
Paper No: GTP-20-1464
DOI: 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
Click here to open pdf in another window PDF for On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121013.
Paper No: GTP-20-1389
DOI: 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
Click here to open pdf in another window PDF for Squeeze Film Damper Suppression of Thermal Bow-Morton Effect Instability
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011023.
Paper No: GTP-19-1415
DOI: 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
Click here to open pdf in another window PDF for Model and Experimental Verification of the Dynamic Forced Performance of a Tightly Sealed Squeeze Film Damper Supplied With a Bubbly Mixture
Topics: Dampers, Damping, Flow (Dynamics), Lubricants, Pressure, Stiffness, Whirls, Inertia (Mechanics)
Journal Articles

Effect of Pad and Liner Material Properties on the Static Load Performance of a Tilting Pad Thrust Bearing

Rasool Koosha, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121007.
Paper No: GTP-19-1510
DOI: https://doi.org/10.1115/1.4045278
Published Online: November 11, 2019
View Article titled, Effect of Pad and Liner Material Properties on the Static Load Performance of a Tilting Pad Thrust Bearing
Click here to open pdf in another window PDF for Effect of Pad and Liner Material Properties on the Static Load Performance of a Tilting Pad Thrust Bearing
Topics: Bearings, Fluid films, Polymers, Rotors, Steel, Stress, Temperature, Deformation, Turbulence, Flow (Dynamics)
Journal Articles

Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove

Thomas Hagemann, Hubert Schwarze
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051010.
Paper No: GTP-18-1354
DOI: https://doi.org/10.1115/1.4041026
Published Online: December 12, 2018
View Article titled, Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove
Click here to open pdf in another window PDF for Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove
Topics: Bearings, Boundary-value problems, Design, Flow (Dynamics), Journal bearings, Lubricants, Lubrication, Pressure, Temperature, Stress
Journal Articles

Experimental Force Coefficients for Two Sealed Ends Squeeze Film Dampers (Piston Rings and O-Rings): An Assessment of Their Similarities and Differences

Luis San Andrés, Bonjin Koo, Sung-Hwa Jeung
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021024.
Paper No: GTP-18-1451
DOI: https://doi.org/10.1115/1.4040902
Published Online: October 4, 2018
View Article titled, Experimental Force Coefficients for Two Sealed Ends Squeeze Film Dampers (Piston Rings and O-Rings): An Assessment of Their Similarities and Differences
Click here to open pdf in another window PDF for Experimental Force Coefficients for Two Sealed Ends Squeeze Film Dampers (Piston Rings and O-Rings): An Assessment of Their Similarities and Differences
Topics: Dampers, Damping, Lubricants, Pressure, Seals, Stiffness, Flow (Dynamics), Piston rings, Whirls
Journal Articles

Continuous Lubricant Film Thickness Measurement Between Piston Ring and Cylinder Bore

Yunus Emre Ayranci, Ozgen Akalin
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072802.
Paper No: GTP-17-1569
DOI: https://doi.org/10.1115/1.4038818
Published Online: April 20, 2018
View Article titled, Continuous Lubricant Film Thickness Measurement Between Piston Ring and Cylinder Bore
Click here to open pdf in another window PDF for Continuous Lubricant Film Thickness Measurement Between Piston Ring and Cylinder Bore
Topics: Calibration, Cylinders, Film thickness, Fluorescence, Friction, Lasers, Lubricants, Piston rings, Engines, Signals
Journal Articles

Multivariate Response Rotordynamic Modeling and Sensitivity Analysis of Tilting Pad Bearings

Leonardo Urbiola-Soto
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072502.
Paper No: GTP-17-1003
DOI: https://doi.org/10.1115/1.4038549
Published Online: April 10, 2018
View Article titled, Multivariate Response Rotordynamic Modeling and Sensitivity Analysis of Tilting Pad Bearings
Click here to open pdf in another window PDF for Multivariate Response Rotordynamic Modeling and Sensitivity Analysis of Tilting Pad Bearings
Topics: Bearings, Design, Modeling, Optimization, Response surface methodology, Sensitivity analysis, Vibration, Tribology, Lubricants, Experimental design
Journal Articles

Performance of Adaptive Lubricants in a Hybrid Journal Bearing Operating Under Fully Saturated Conditions

Ssu-Ying Chien, M. S. Cramer, Gen Fu, Alexandrina Untaroiu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062504.
Paper No: GTP-17-1481
DOI: https://doi.org/10.1115/1.4038551
Published Online: February 21, 2018
View Article titled, Performance of Adaptive Lubricants in a Hybrid Journal Bearing Operating Under Fully Saturated Conditions
Click here to open pdf in another window PDF for Performance of Adaptive Lubricants in a Hybrid Journal Bearing Operating Under Fully Saturated Conditions
Topics: Bearings, Carbon dioxide, Computational fluid dynamics, Journal bearings, Lubricants, Pressure, Temperature, Viscosity, Stress
Journal Articles

A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Toward Understanding the Onset of Low Frequency Shaft Motions

Luis San Andrés, Bonjin Koo, Makoto Hemmi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 052506.
Paper No: GTP-17-1382
DOI: https://doi.org/10.1115/1.4038043
Published Online: January 3, 2018
View Article titled, A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Toward Understanding the Onset of Low Frequency Shaft Motions
Click here to open pdf in another window PDF for A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Toward Understanding the Onset of Low Frequency Shaft Motions
Topics: Bearings, Flow (Dynamics), Stress, Frequency response, Rotors, Damping, Lubricants
Journal Articles

On the Influence of Lubricant Supply Conditions and Bearing Configuration to the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers

Luis San Andrés, Feng Yu, Kostandin Gjika
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032503.
Paper No: GTP-17-1298
DOI: https://doi.org/10.1115/1.4037920
Published Online: October 17, 2017
View Article titled, On the Influence of Lubricant Supply Conditions and Bearing Configuration to the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers
Click here to open pdf in another window PDF for On the Influence of Lubricant Supply Conditions and Bearing Configuration to the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers
Topics: Bearings, Flow (Dynamics), Lubricants, Temperature, Heat, Pressure, Drag (Fluid dynamics), Turbochargers, Shear (Mechanics)
Journal Articles

On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back)

Luis San Andrés, Sean Den, Sung-Hwa Jeung
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012502.
Paper No: GTP-17-1250
DOI: https://doi.org/10.1115/1.4037585
Published Online: September 19, 2017
View Article titled, On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back)
Click here to open pdf in another window PDF for On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back)
Topics: Dampers, Damping, Whirls, Lubricants, Pressure