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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

J. Eng. Gas Turbines Power. June 2023, 145(6): 061003.

Paper No: GTP-22-1241

DOI: https://doi.org/10.1115/1.4056310

Published Online: January 13, 2023

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Topics: Damping, Leakage, Numerical analysis, Pressure, Rotors, Stiffness, Clearances (Engineering), Leakage flows, Cavities, Oscillating frequencies

Journal Articles

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Alex A. Kaszynski

J. Eng. Gas Turbines Power. June 2023, 145(6): 061010.

Paper No: GTP-22-1625

DOI: https://doi.org/10.1115/1.4056538

Published Online: January 13, 2023

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Topics: Blades, Excitation, Spectral energy distribution, Traveling waves, Rotors, Damping, Mode shapes, Testing

Journal Articles

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification Algorithm

Nikhil Balasubramanian, Driek Rouwenhorst, Jakob Hermann

J. Eng. Gas Turbines Power. May 2023, 145(5): 051024.

Paper No: GTP-22-1598

DOI: https://doi.org/10.1115/1.4056308

Published Online: January 10, 2023

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Topics: Algorithms, Combustion chambers, Damping, Errors, Filters, Kalman filters, Noise (Sound), System identification, Combustion, Impulse (Physics)

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

Experimental Investigation of Friction Damping in Blade Root Joints

Daniele Botto, Federica Cuccovillo, Veronica Iannotti

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

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Topics: Blades, Damping, Displacement, Friction, Stress, Stiffness, Vibration, Signals, Lubricants

Journal Articles

Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors

Shreyas Hegde, Jonathan D. Inge, Robert Kielb

J. Eng. Gas Turbines Power. May 2023, 145(5): 051004.

Paper No: GTP-22-1389

DOI: https://doi.org/10.1115/1.4055832

Published Online: December 20, 2022

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Topics: Blades, Compressors, Damping, Flutter (Aerodynamics), Rotors

Journal Articles

The Numerical and Experimental Evaluation of a Coupled Blade Dynamic Limit Response With Friction Contacts

Kelly Grant, Chiara Gastaldi, Teresa M. Berruti, Rudolf Kellerer

J. Eng. Gas Turbines Power. April 2023, 145(4): 041022.

Paper No: GTP-22-1469

DOI: https://doi.org/10.1115/1.4055786

Published Online: December 14, 2022

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Topics: Blades, Displacement, Excitation, Friction, Strain gages, Damping, Stiffness

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

Stability of a Rotor Partially Filled With Fluid: Test Facility and Experimental Results

Marie Kasprzyk, John Sentmanat, Adolfo Delgado

J. Eng. Gas Turbines Power. April 2023, 145(4): 041019.

Paper No: GTP-22-1517

DOI: https://doi.org/10.1115/1.4055946

Published Online: December 13, 2022

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Topics: Damping, Fluids, Rotors, Vibration, Waves, Bearings, Whirls

Journal Articles

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

Roque Corral, Yago Blando, Aitor Pitarch

J. Eng. Gas Turbines Power. April 2023, 145(4): 041020.

Paper No: GTP-22-1575

DOI: https://doi.org/10.1115/1.4056102

Published Online: December 13, 2022

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Topics: Airfoils, Cycles, Pressure, Torsion, Damping, Mode shapes

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

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

Dara W. Childs, Jing Yang, Luis San Andrés, Jose M. Torres Rueda, James Alex Moreland

J. Eng. Gas Turbines Power. March 2023, 145(3): 031005.

Paper No: GTP-22-1435

DOI: https://doi.org/10.1115/1.4055638

Published Online: December 5, 2022

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Topics: Leakage, Rotors, Stators, Stiffness, Damping, Pumps

Journal Articles

Evaluating the Aerodynamic Damping At Shock Wave Boundary Layer Interacting Flow Conditions With Harmonic Balance

Jan Philipp Heners, Christian Frey, Björn Grüber, Thomas Carraro

J. Eng. Gas Turbines Power. March 2023, 145(3): 031012.

Paper No: GTP-22-1465

DOI: https://doi.org/10.1115/1.4055636

Published Online: December 5, 2022

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Topics: Boundary layers, Damping, Flow (Dynamics), Flutter (Aerodynamics), Shock waves, Turbulence, Shock (Mechanics), Stators, Reynolds-averaged Navier–Stokes equations, Simulation

Journal Articles

Modal Identification of Bladed Disks by Time–Frequency Analysis of the Nonsynchronous Response

Luigi Carassale, Roberto Guida, Michela Marrè-Brunenghi

J. Eng. Gas Turbines Power. February 2023, 145(2): 021020.

Paper No: GTP-22-1448

DOI: https://doi.org/10.1115/1.4055684

Published Online: November 29, 2022

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Topics: Disks, Stochastic processes, Time-frequency analysis, Wavelet transforms, Signals, Damping, Vibration, Wavelets, Resonance, Rotors

Journal Articles

Aerodynamic Damping Predictions During Compressor Surge: A Numerical Comparison Between a Half and Full Transient Approach

Christoph Reiber, Virginie Anne Chenaux, Joachim Belz

J. Eng. Gas Turbines Power. February 2023, 145(2): 021019.

Paper No: GTP-22-1438

DOI: https://doi.org/10.1115/1.4055883

Published Online: November 29, 2022

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Topics: Cycles, Damping, Surges, Transients (Dynamics), Flow (Dynamics), Simulation, Compressors

Journal Articles

Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multiscratched Tilting Pad Journal Bearing

Mohamed-Amine Hassini, Silun Zhang, Steven Chatterton, Paolo Pennacchi

J. Eng. Gas Turbines Power. February 2023, 145(2): 021008.

Paper No: GTP-22-1312

DOI: https://doi.org/10.1115/1.4055482

Published Online: November 28, 2022

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Topics: Bearings, Film thickness, Journal bearings, Pressure, Rotors, Stiffness, Stress, Temperature, Displacement, Damping

Journal Articles

The Flutter Stability of Mistuned Bladed Disks Subjected to the Coriolis Effect

Anthony Tacher, Fabrice Thouverez, Jason Armand

J. Eng. Gas Turbines Power. February 2023, 145(2): 021004.

Paper No: GTP-22-1142

DOI: https://doi.org/10.1115/1.4056020

Published Online: November 28, 2022

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Topics: Blades, Coriolis force, Damping, Disks, Flutter (Aerodynamics), Stability

Journal Articles

Active Vibration Mitigation of Bladed Structures With Piezoelectric Patches by Decentralized Positive Position Feedback Controller

Ahmad Paknejad, Rasa Jamshidi, Shashank Pathak, Christophe Collette

J. Eng. Gas Turbines Power. February 2023, 145(2): 021003.

Paper No: GTP-22-1130

DOI: https://doi.org/10.1115/1.4056013

Published Online: November 28, 2022

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Topics: Blades, Control equipment, Control systems, Damping, Design, Feedback, Rails, Resonance, Sensors, Transfer functions

Journal Articles

Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade

Giuseppe Bruni, Senthil Krishnababu, Simon Jackson

J. Eng. Gas Turbines Power. January 2023, 145(1): 011019.

Paper No: GTP-22-1341

DOI: https://doi.org/10.1115/1.4055634

Published Online: October 21, 2022

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Topics: Artificial neural networks, Blades, Compressors, Computational fluid dynamics, Damping, Design, Machine learning, Mode shapes, Resonance, Modal analysis

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Journal citation

NARROW

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

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification Algorithm

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

Experimental Investigation of Friction Damping in Blade Root Joints

Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors

The Numerical and Experimental Evaluation of a Coupled Blade Dynamic Limit Response With Friction Contacts

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

Stability of a Rotor Partially Filled With Fluid: Test Facility and Experimental Results

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

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

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

Evaluating the Aerodynamic Damping At Shock Wave Boundary Layer Interacting Flow Conditions With Harmonic Balance

Modal Identification of Bladed Disks by Time–Frequency Analysis of the Nonsynchronous Response

Aerodynamic Damping Predictions During Compressor Surge: A Numerical Comparison Between a Half and Full Transient Approach

Theoretical and Experimental Comparisons for Rotordynamic Coefficients of a Multiscratched Tilting Pad Journal Bearing

The Flutter Stability of Mistuned Bladed Disks Subjected to the Coriolis Effect

Active Vibration Mitigation of Bladed Structures With Piezoelectric Patches by Decentralized Positive Position Feedback Controller

Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade

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