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Journal Articles

Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture

Jing Yang, Dung L. Tran, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. November 2023, 145(11): 111012.
Paper No: GTP-23-1307
https://doi.org/10.1115/1.4063309
Published Online: September 29, 2023
View Article titled, Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture
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Topics: Computational fluid dynamics, Flow (Dynamics), Stiffness, Damping, Leakage, Clearances (Engineering), Pressure
Journal Articles

Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating with Wet Gas

Accepted Manuscript
Jose Torres, Luis San Andres
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1407
https://doi.org/10.1115/1.4063551
Published Online: September 29, 2023
View Article titled, Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating with Wet Gas
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Topics: Dampers, Leakage, Clearances (Engineering), Cavities, Damping, Pressure, Stiffness, Whirls
Journal Articles

Dynamic Characterization of an Adaptive Film-Riding Seal

Accepted Manuscript
Josh Bird, Patrick S Keogh, Carl M. Sangan, Aaron Bowsher, Peter Crudgington, James Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1368
https://doi.org/10.1115/1.4063549
Published Online: September 29, 2023
View Article titled, Dynamic Characterization of an Adaptive Film-Riding Seal
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Topics: Clearances (Engineering), Computer simulation, Damping, Design, Displacement, Eddies (Fluid dynamics), Eddy currents (Electricity), Fluid films, Fluids, High pressure (Physics)
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

A Correction Method for the Effects of Reynolds Number, Roughness, and Tip Clearance on Geometric Scaling of Axial Compressors

Yitong Liu, Wuqi Gong, Lu Liang, Qi Wang
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2023, 145(10): 101004.
Paper No: GTP-23-1107
https://doi.org/10.1115/1.4063229
Published Online: August 31, 2023
View Article titled, A Correction Method for the Effects of Reynolds Number, Roughness, and Tip Clearance on Geometric Scaling of Axial Compressors
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Topics: Clearances (Engineering), Compressors, Engineering prototypes, Reynolds number, Surface roughness, Numerical analysis, Test facilities, Flow (Dynamics), Computational fluid dynamics, Pressure
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

Accepted Manuscript
Bryan Rodríguez, Luis San Andres
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1377
https://doi.org/10.1115/1.4063320
Published Online: August 1, 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, Pressure, Seals, Air-breathing engines, Aircraft engines, Clearances (Engineering), Damping, Flow (Dynamics), Leakage, Lubricants
Journal Articles

Evaluation of Turbine Tip Clearance With Performance Degradation Using Multilayer Perceptron

Yue Yang, Junkui Mao, Naxian Guo, Pingting Chen, Feilong Wang
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091007.
Paper No: GTP-23-1041
https://doi.org/10.1115/1.4062767
Published Online: July 27, 2023
View Article titled, Evaluation of Turbine Tip Clearance With Performance Degradation Using Multilayer Perceptron
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Topics: Clearances (Engineering), Deformation, Blades
Journal Articles

Computational Fluid Dynamics Prediction of Rotordynamic Coefficients for Grooved Seals: Model and Numerical Sensitivity

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091001.
Paper No: GTP-23-1014
https://doi.org/10.1115/1.4062560
Published Online: July 19, 2023
View Article titled, Computational Fluid Dynamics Prediction of Rotordynamic Coefficients for Grooved Seals: Model and Numerical Sensitivity
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Topics: Computational fluid dynamics, Flow (Dynamics), Geometry, Leakage, Modeling, Pressure, Rotors, Stiffness, Uncertainty, Whirls
Journal Articles

Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals

Erwan Fourt, Mihai Arghir, Pascal Jolly, Mohamed Andasmas
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091005.
Paper No: GTP-23-1163
https://doi.org/10.1115/1.4062692
Published Online: July 19, 2023
View Article titled, Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals
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Topics: Leakage, Leakage flows, Pressure, Rotors, Temperature, Torque, Clearances (Engineering), Friction, Experimental analysis, Flow (Dynamics)
Journal Articles

A Novel Design of Rim Sealing Flow for Improving Sealing Effectiveness

Du Qiang, Wang Ruonan, Xie Lei, Liu Guang, Lian Zengyan
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071003.
Paper No: GTP-22-1532
https://doi.org/10.1115/1.4056645
Published Online: February 27, 2023
View Article titled, A Novel Design of Rim Sealing Flow for Improving Sealing Effectiveness
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Topics: Flow (Dynamics), Sealing (Process), Clearances (Engineering)
Journal Articles

Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions

Zhi Fang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061003.
Paper No: GTP-22-1241
https://doi.org/10.1115/1.4056310
Published Online: January 13, 2023
View Article titled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions
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Topics: Damping, Leakage, Numerical analysis, Pressure, Rotors, Stiffness, Clearances (Engineering), Leakage flows, Cavities, Oscillating frequencies
Journal Articles

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

Adolfo Delgado, Luis San Andrés, Jing Yang, Jonathan Thiele
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051019.
Paper No: GTP-22-1478
https://doi.org/10.1115/1.4056347
Published Online: January 10, 2023
View Article titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
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Topics: Computational fluid dynamics, Dampers, Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Stiffness, Stability
Journal Articles

Numerical Investigations on Gas Ingestion Mechanism Based on Flow Instabilities in Rim Seal and Cooling Characteristics of Endwall in a 1.5-Stage Axial Turbine

Qingfeng Cong, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051001.
Paper No: GTP-22-1158
https://doi.org/10.1115/1.4055826
Published Online: December 20, 2022
View Article titled, Numerical Investigations on Gas Ingestion Mechanism Based on Flow Instabilities in Rim Seal and Cooling Characteristics of Endwall in a 1.5-Stage Axial Turbine
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Topics: Blades, Cavities, Clearances (Engineering), Cooling, Disks, Film cooling, Flow (Dynamics), Rotors, Sealants, Sealing (Process)
Journal Articles

A Stepped Shaft Labyrinth Seal Verses A Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation

Jose Torres, Luis San Andrés, Jing Yang
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011006.
Paper No: GTP-22-1390
https://doi.org/10.1115/1.4055665
Published Online: October 19, 2022
View Article titled, A Stepped Shaft Labyrinth Seal Verses A Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation
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Topics: Clearances (Engineering), Dampers, Damping, Flow (Dynamics), Leakage, Pressure, Stiffness, Computational fluid dynamics, Excitation, Rotors
Journal Articles

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

Joshua P. Bowen, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111022.
Paper No: GTP-22-1356
https://doi.org/10.1115/1.4055458
Published Online: September 28, 2022
View Article titled, The Inter-Bristle Pressure Field in a Large-Scale Brush Seal
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Topics: Clearances (Engineering), Pressure, Rotors, Flow (Dynamics), Stress
Journal Articles

A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

Dimitrios Graikos, Hui Tang, Carl M. Sangan, Gary D. Lock, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111005.
Paper No: GTP-22-1355
https://doi.org/10.1115/1.4055457
Published Online: September 20, 2022
View Article titled, A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl
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Topics: Annulus, Clearances (Engineering), Flow (Dynamics), Rotors, Turbines, Wheels, Pressure, Turbulence, Sealing (Process)
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
Open the PDF for A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System in another window
Topics: Bearings, Rotors, Clearances (Engineering)
Journal Articles

The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing

Ibrahim Ghalayini, Philip Bonello
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091015.
Paper No: GTP-22-1240
https://doi.org/10.1115/1.4055188
Published Online: August 26, 2022
View Article titled, The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing
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Topics: Clearances (Engineering), Foil bearings, Rotors, Vibration, Dynamic analysis, Equilibrium (Physics), Stability, Modal analysis, Damping, Simulation
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

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