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Journal Articles

Identification of Mistuning Based on Forced Response Measurements and Assessment for a Real Compressor Blisk

Benjamin Seeger, Lukas Kohlmann, Harald Schoenenborn, Stefan Schwarz, Malte Krack

J. Eng. Gas Turbines Power. September 2022, 144(9): 091006.

Paper No: GTP-22-1116

DOI: https://doi.org/10.1115/1.4055019

Published Online: August 1, 2022

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Topics: Blades, Cantilevers, Damping, Frequency response, Stiffness, Compressors, Resonance, Excitation, Vibration, Electromagnetic spectrum

Journal Articles

Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems

Christoph Rocky Heinrich, Tina Unglaube, Bernd Beirow, Dieter Brillert, Klaus Steff, Nico Petry

J. Eng. Gas Turbines Power. August 2022, 144(8): 081002.

Paper No: GTP-21-1478

DOI: https://doi.org/10.1115/1.4054567

Published Online: June 2, 2022

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Topics: Cavities, Damping, Impellers, Rotors, Acoustics, Pistons

Journal Articles

Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings

Jason Wilkes, Steve White

J. Eng. Gas Turbines Power. July 2022, 144(7): 071008.

Paper No: GTP-22-1015

DOI: https://doi.org/10.1115/1.4054059

Published Online: May 20, 2022

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Topics: Bearings, Damping, Foil bearings, Pressure, Stiffness, Gas bearings

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

Leakage Characteristics of a Novel Hole-Pattern Damping Seal With Dovetail-Like Diversion Grooves: Numerical Simulation and Experiment

Jinbo Jiang, Xuan Zhang, Wenjing Zhao, Yi Ma, Xudong Peng

J. Eng. Gas Turbines Power. July 2022, 144(7): 071004.

Paper No: GTP-21-1605

DOI: https://doi.org/10.1115/1.4054371

Published Online: May 20, 2022

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Topics: Cavities, Damping, Leakage, Clearances (Engineering), Pressure, Sealing (Process), Computer simulation, Flow (Dynamics)

Journal Articles

Determining the Influence of Casing Vibrational Behavior on Rotordynamics

Mona Amer, Martin Paehr, Lars Panning-von Scheidt, Joerg R. Seume, Joachim Schmied

J. Eng. Gas Turbines Power. May 2022, 144(5): 051012.

Paper No: GTP-21-1556

DOI: https://doi.org/10.1115/1.4053123

Published Online: February 21, 2022

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Topics: Bearings, Compressors, Computer simulation, Damping, Excitation, Manufacturing, Modal analysis, Modeling, Rotordynamics, Rotors

Journal Articles

Rotordynamic Characteristics of a Novel Labyrinth Seal With Swirl Brakes at Seal Entrance and Cavity

Wensong Xue, Zhi Fang, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. May 2022, 144(5): 051017.

Paper No: GTP-21-1639

DOI: https://doi.org/10.1115/1.4053706

Published Online: February 21, 2022

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Topics: Brakes, Cavities, Damping, Design, Numerical analysis, Rotors, Stiffness, Whirls, Fluids, Pressure

Journal Articles

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method

Tianhao Wang, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. January 2022, 144(1): 011028.

Paper No: GTP-21-1430

DOI: https://doi.org/10.1115/1.4052267

Published Online: December 3, 2021

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Topics: Cavities, Clearances (Engineering), Damping, Flow (Dynamics), Leakage, Leakage flows, Pressure, Rotors, Sealing (Process), Stiffness

Journal Articles

Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern

Alex Nakos, Bernd Beirow, Arthur Zobel

J. Eng. Gas Turbines Power. February 2022, 144(2): 021012.

Paper No: GTP-21-1390

DOI: https://doi.org/10.1115/1.4052201

Published Online: November 8, 2021

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Topics: Blades, Damping, Design, Turbines, Wheels

Journal Articles

A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms

Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck

J. Eng. Gas Turbines Power. December 2021, 143(12): 121024.

Paper No: GTP-21-1352

DOI: https://doi.org/10.1115/1.4052077

Published Online: October 13, 2021

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Topics: Acoustics, Combustion chambers, Damping, Reflectance, Mach number, Porosity

Journal Articles

Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor

Thomas Hofmeister, Thomas Sattelmayer

J. Eng. Gas Turbines Power. December 2021, 143(12): 121018.

Paper No: GTP-21-1307

DOI: https://doi.org/10.1115/1.4051990

Published Online: October 12, 2021

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Topics: Acoustics, Combustion chambers, Computational fluid dynamics, Damping, Energy dissipation, Flames, Flow (Dynamics), Oscillations, Pressure, Simulation

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

Forced Response Excitation Due to the Stator Vanes of Two and Three Compressor Stages Away

Toshimasa Miura, Naoto Sakai, Naoki Kanazawa, Kentaro Nakayama

J. Eng. Gas Turbines Power. November 2021, 143(11): 111018.

Paper No: GTP-21-1301

DOI: https://doi.org/10.1115/1.4051918

Published Online: October 4, 2021

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Topics: Blades, Compressors, Excitation, Simulation, Stators, Rotors, Fluid structure interaction, Vibration, Damping, Fluids

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

Effects of Increased Tooth Clearance on the Performance of a Labyrinth Seal With Oil-Rich Bubbly Laminar Flow

Min Zhang, Dara W. Childs

J. Eng. Gas Turbines Power. November 2021, 143(11): 111007.

Paper No: GTP-21-1278

DOI: https://doi.org/10.1115/1.4051914

Published Online: September 27, 2021

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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pumps, Rotors, Stiffness, Stators, Fluids, Pressure drop, Laminar flow

Journal Articles

Vibration Fatigue Assessment of Additive Manufactured Nickel Alloy With Inherent Damping

Onome Scott-Emuakpor, Luke Sheridan, Brian Runyon, Tommy George

J. Eng. Gas Turbines Power. October 2021, 143(10): 101009.

Paper No: GTP-20-1707

DOI: https://doi.org/10.1115/1.4051489

Published Online: September 3, 2021

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Topics: Damping, Fatigue, Vibration, Additive manufacturing, Stress, Vibration suppression, Fatigue life

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

Multiwave Vibrations in Mistuned Cascades With Tip-Shroud Friction

Gross Johann, Krack Malte

J. Eng. Gas Turbines Power. May 2021, 143(5): 051030.

Paper No: GTP-20-1130

DOI: https://doi.org/10.1115/1.4047889

Published Online: March 31, 2021

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Topics: Blades, Flutter (Aerodynamics), Mode shapes, Steady state, Vibration, Waves, Attractors, Damping, Friction, Modal assurance criterion

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Journal citation

NARROW

Identification of Mistuning Based on Forced Response Measurements and Assessment for a Real Compressor Blisk

Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems

Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings

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

Leakage Characteristics of a Novel Hole-Pattern Damping Seal With Dovetail-Like Diversion Grooves: Numerical Simulation and Experiment

Determining the Influence of Casing Vibrational Behavior on Rotordynamics

Rotordynamic Characteristics of a Novel Labyrinth Seal With Swirl Brakes at Seal Entrance and Cavity

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method

Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern

A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms

Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor

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

Forced Response Excitation Due to the Stator Vanes of Two and Three Compressor Stages Away

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

Effects of Increased Tooth Clearance on the Performance of a Labyrinth Seal With Oil-Rich Bubbly Laminar Flow

Vibration Fatigue Assessment of Additive Manufactured Nickel Alloy With Inherent Damping

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

Multiwave Vibrations in Mistuned Cascades With Tip-Shroud Friction

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