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Journal Articles

Dynamic Characteristics of Rotor-Squeeze Film Damper-Support System Excited by Base Harmonic Excitations Using MHB-AFT Method

Bo Zhang, Xi Chen, Fengguang Xiang, Xiaohua Gan, Guangming Ren

J. Eng. Gas Turbines Power. June 2023, 145(6): 061008.

Paper No: GTP-22-1555

DOI: https://doi.org/10.1115/1.4056048

Published Online: January 13, 2023

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Topics: Dampers, Excitation, Rotation, Rotors, Steady state, Displacement, Yaw

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

J. Eng. Gas Turbines Power. May 2023, 145(5): 051019.

Paper No: GTP-22-1478

DOI: https://doi.org/10.1115/1.4056347

Published Online: January 10, 2023

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Topics: Computational fluid dynamics, Dampers, Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Stiffness, Stability

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

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

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Topics: Dampers, Damping, Pressure, Piston rings, Pistons, Lubricants, Whirls

Journal Articles

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Zhihong Jin, Kai Mao, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. March 2023, 145(3): 031025.

Paper No: GTP-22-1247

DOI: https://doi.org/10.1115/1.4055351

Published Online: December 8, 2022

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Topics: Damping, Impellers, Leakage, Oxygen, Rotors, Sealing (Process), Stators, Stiffness, Stress, Whirls

Journal Articles

Analyses of Damping Sustainability of Additively Manufactured Nickel Alloy Components Subjected to High Strain Loading Cycles

John P. Hollkamp, Onome Scott-Emuakpor, Dino Celli

J. Eng. Gas Turbines Power. March 2023, 145(3): 031011.

Paper No: GTP-22-1462

DOI: https://doi.org/10.1115/1.4055579

Published Online: December 5, 2022

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Topics: Damping, Particulate matter, Sustainability, Lasers, Additive manufacturing, Dampers

Journal Articles

Nonlinear Damper-Blade Coupling Calculations Reduced to Essentials

Chiara Gastaldi, Muzio M. Gola

J. Eng. Gas Turbines Power. February 2023, 145(2): 021016.

Paper No: GTP-22-1427

DOI: https://doi.org/10.1115/1.4055414

Published Online: November 29, 2022

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Topics: Blades, Cycles, Dampers, Rotation, Excitation, Vibration

Journal Articles

An Experimental Investigation on the Dynamic Response Variability of a Turbine Blade With Midspan Dampers

Erhan Ferhatoglu, Daniele Botto, Stefano Zucca

J. Eng. Gas Turbines Power. January 2023, 145(1): 011002.

Paper No: GTP-22-1373

DOI: https://doi.org/10.1115/1.4055494

Published Online: October 19, 2022

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Topics: Blades, Dampers, Friction

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

J. Eng. Gas Turbines Power. January 2023, 145(1): 011006.

Paper No: GTP-22-1390

DOI: https://doi.org/10.1115/1.4055665

Published Online: October 19, 2022

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Topics: Clearances (Engineering), Dampers, Damping, Flow (Dynamics), Leakage, Pressure, Stiffness, Computational fluid dynamics, Excitation, Rotors

Journal Articles

Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. July 2022, 144(7): 071006.

Paper No: GTP-21-1636

DOI: https://doi.org/10.1115/1.4054374

Published Online: May 20, 2022

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Topics: Brakes, Cavities, Clearances (Engineering), Dampers, Damping, Fluids, Pressure, Rotors, Stiffness, Supercritical carbon dioxide

Journal Articles

Nonlinear Vibration Analysis of Turbine Bladed Disks With Midspan Dampers

Erhan Ferhatoglu, Stefano Zucca, Daniele Botto, Jury Auciello, Lorenzo Arcangeli

J. Eng. Gas Turbines Power. April 2022, 144(4): 041021.

Paper No: GTP-21-1567

DOI: https://doi.org/10.1115/1.4053107

Published Online: February 21, 2022

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Topics: Blades, Dampers, Disks, Friction, Stress, Resonance, Nonlinear vibration, Turbines, Vibration

Journal Articles

Impact of Mistuned Underplatform Dampers on the Nonlinear Vibration of Bladed Disks

Samuel Quaegebeur, Benjamin Chouvion, Fabrice Thouverez

J. Eng. Gas Turbines Power. December 2021, 143(12): 121023.

Paper No: GTP-21-1277

DOI: https://doi.org/10.1115/1.4051868

Published Online: October 13, 2021

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Topics: Dampers, Disks, Displacement, Friction, Optimization, Blades, Nonlinear vibration

Journal Articles

An Analytical Two-Phase Flow Model for Prediction of Leakage in Wet Gas Labyrinth Seals and Pocket Damper Seals. Is Simplicity Still Desired?

Jing Yang, Luis San Andrés

J. Eng. Gas Turbines Power. December 2021, 143(12): 121016.

Paper No: GTP-21-1296

DOI: https://doi.org/10.1115/1.4051916

Published Online: October 12, 2021

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Topics: Dampers, Flow (Dynamics), Leakage, Pressure, Two-phase flow, Computational fluid dynamics, Blades, Cavities, Rotors, Clearances (Engineering)

Journal Articles

On the Performance of Wavy Dry Friction and Piezoelectric Hybrid Flexible Dampers

Y. G. Wu, Y. Fan, L. Li, Z. M. Zhao

J. Eng. Gas Turbines Power. December 2021, 143(12): 121010.

Paper No: GTP-21-1317

DOI: https://doi.org/10.1115/1.4051955

Published Online: October 5, 2021

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Topics: Dampers, Damping, Dry friction, Friction, Resonance, Vibration

Journal Articles

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue

J. Eng. Gas Turbines Power. December 2021, 143(12): 121006.

Paper No: GTP-21-1342

DOI: https://doi.org/10.1115/1.4051986

Published Online: October 4, 2021

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Topics: Bearings, Cavitation, Compressors, Dampers, Damping, Excitation, Fluids, Springs, Pressure, Stiffness

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

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

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Topics: Dampers, Damping, Lubricants, Pressure, Seals, Stiffness, Valves, Stress

Journal Articles

An Accelerating Sweep Frequency Excitation Method for the Rotordynamic Coefficients Identification of Annular Gas Seals Based on Computational Fluid Dynamics

Qianlei Gu, Jiangang Yang, Wanfu Zhang, Mingjie Zhang

J. Eng. Gas Turbines Power. September 2021, 143(9): 091021.

Paper No: GTP-20-1814

DOI: https://doi.org/10.1115/1.4051101

Published Online: June 17, 2021

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Topics: Computational fluid dynamics, Computer simulation, Damping, Excitation, Rotors, Transients (Dynamics), Whirls, Resolution (Optics), Dampers, Stiffness

Journal Articles

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. October 2021, 143(10): 101002.

Paper No: GTP-21-1024

DOI: https://doi.org/10.1115/1.4051104

Published Online: June 17, 2021

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Topics: Brakes, Cavities, Dampers, Damping, Fluids, Leakage, Pressure, Rotors, Stiffness, Supercritical carbon dioxide

Journal Articles

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing

Bugra Ertas

J. Eng. Gas Turbines Power. August 2021, 143(8): 081024.

Paper No: GTP-20-1710

DOI: https://doi.org/10.1115/1.4050865

Published Online: May 7, 2021

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Topics: Bearings, Design, Stress, Testing, Thrust, Thrust bearings, Turbomachinery, Additive manufacturing, Springs, Stiffness

Journal Articles

Platform-Centered Reduction: A Process Capturing the Essentials for Blade-Damper Coupled Optimization

Chiara Gastaldi, Muzio M. Gola

J. Eng. Gas Turbines Power. August 2021, 143(8): 081001.

Paper No: GTP-20-1470

DOI: https://doi.org/10.1115/1.4049187

Published Online: March 31, 2021

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Topics: Airfoils, Blades, Dampers, Excitation, Design, Optimization

Journal Articles

Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Shota Yabui, Tsuyoshi Inoue

J. Eng. Gas Turbines Power. June 2021, 143(6): 061008.

Paper No: GTP-20-1481

DOI: https://doi.org/10.1115/1.4049164

Published Online: March 15, 2021

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Topics: Dampers, Damping, Machinery, Shock absorbers, Springs, Stiffness, Excitation, Clearances (Engineering)

Journal citation

NARROW

Dynamic Characteristics of Rotor-Squeeze Film Damper-Support System Excited by Base Harmonic Excitations Using MHB-AFT Method

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

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

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Analyses of Damping Sustainability of Additively Manufactured Nickel Alloy Components Subjected to High Strain Loading Cycles

Nonlinear Damper-Blade Coupling Calculations Reduced to Essentials

An Experimental Investigation on the Dynamic Response Variability of a Turbine Blade With Midspan Dampers

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

Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery

Nonlinear Vibration Analysis of Turbine Bladed Disks With Midspan Dampers

Impact of Mistuned Underplatform Dampers on the Nonlinear Vibration of Bladed Disks

An Analytical Two-Phase Flow Model for Prediction of Leakage in Wet Gas Labyrinth Seals and Pocket Damper Seals. Is Simplicity Still Desired?

On the Performance of Wavy Dry Friction and Piezoelectric Hybrid Flexible Dampers

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

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

An Accelerating Sweep Frequency Excitation Method for the Rotordynamic Coefficients Identification of Annular Gas Seals Based on Computational Fluid Dynamics

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing

Platform-Centered Reduction: A Process Capturing the Essentials for Blade-Damper Coupled Optimization

Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery

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