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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

Design and Operability Challenges for Supercritical CO 2 Plants: The sCO 2 -Flex Centrifugal Compressor Test Experience

Bigi Manuele, Bisio Valentina, Evangelisti Silvia, Giancotti Marco, Milani Alberto, Pellegrini Tiziano

J. Eng. Gas Turbines Power. March 2023, 145(3): 031024.

Paper No: GTP-22-1345

DOI: https://doi.org/10.1115/1.4055707

Published Online: December 13, 2022

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Topics: Carbon dioxide, Compressors, Design, Engineering prototypes, Pressure, Safety, Suction, Vibration, Transients (Dynamics), Supercritical carbon dioxide

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

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

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

Processing Multicomponent Blade Tip Timing Experimental Data by Independent Component Analysis

Elena Rizzetto, Luigi Carassale

J. Eng. Gas Turbines Power. February 2023, 145(2): 021023.

Paper No: GTP-22-1455

DOI: https://doi.org/10.1115/1.4055755

Published Online: November 29, 2022

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Topics: Blades, Signals, Disks, Vibration, Independent component analysis

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

Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring

Tao Yuan, Zhigang Li, Jun Li, Qi Yuan

J. Eng. Gas Turbines Power. January 2023, 145(1): 011011.

Paper No: GTP-22-1145

DOI: https://doi.org/10.1115/1.4055787

Published Online: October 20, 2022

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Topics: Damping, Displacement, Film thickness, Fluid films, Fluids, Leakage, Pressure, Sealing (Process), Stiffness, Supercritical carbon dioxide

Journal Articles

On the Pneumatic Hammer of Hybrid Gas Bearings: Measurements and Predictions

Hyunsung Jung, Seki Sin, Kyuman Kim, Junwon Heo, Minsoo Wee, Keun Ryu

J. Eng. Gas Turbines Power. December 2022, 144(12): 121011.

Paper No: GTP-22-1366

DOI: https://doi.org/10.1115/1.4055485

Published Online: October 7, 2022

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Topics: Bearings, Damping, Hammers, Pressure, Gas bearings, Stress, Vibration

Journal Articles

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Lukas Schwerdt, Ricarda Berger, Lars Panning-von Scheidt, Raimund Rolfes, Jörg Wallaschek, Joerg R. Seume

J. Eng. Gas Turbines Power. November 2022, 144(11): 111017.

Paper No: GTP-22-1317

DOI: https://doi.org/10.1115/1.4055368

Published Online: September 22, 2022

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Topics: Acoustics, Blades, Compressors, Damping, Excitation, Fatigue, Rotors, Stiffness, Vibration, Modeling

Journal Articles

Forced Response System Identification of Full Aero-Engine Rotordynamic Systems for Prognostics and Diagnostics

I. Hur, Z. S. Spakovszky

J. Eng. Gas Turbines Power. October 2022, 144(10): 101008.

Paper No: GTP-22-1310

DOI: https://doi.org/10.1115/1.4055216

Published Online: September 2, 2022

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Topics: Aircraft engines, Damping, Engines, System identification, Rotors, Modeling, Design, Bearings, Vibration

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

J. Eng. Gas Turbines Power. September 2022, 144(9): 091015.

Paper No: GTP-22-1240

DOI: https://doi.org/10.1115/1.4055188

Published Online: August 26, 2022

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Topics: Clearances (Engineering), Foil bearings, Rotors, Vibration, Dynamic analysis, Equilibrium (Physics), Stability, Modal analysis, Damping, Simulation

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

Valve Vibration Induced Intake Air Flow Dynamics Analysis Using Near Valve Particle Image Velocimetry

Fenghao Shi, Mengqi Liu, David L. S. Hung, Xuesong Li, Min Xu

J. Eng. Gas Turbines Power. September 2022, 144(9): 091004.

Paper No: GTP-22-1233

DOI: https://doi.org/10.1115/1.4055021

Published Online: July 28, 2022

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Topics: Flow (Dynamics), Particulate matter, Valves, Vibration, Air flow, Dynamics (Mechanics), Oscillating frequencies

Journal Articles

Experimental Investigation on the Mechanism of Impeller Synchronous and Nonsynchronous Vibrations in an Industrial Centrifugal Compressor

Hongkun Li, Xinwei Zhao, Qiang Zhou, Shuhua Yang, Xiaowen Zhang

J. Eng. Gas Turbines Power. June 2022, 144(6): 061014.

Paper No: GTP-21-1560

DOI: https://doi.org/10.1115/1.4054257

Published Online: May 20, 2022

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Topics: Blades, Compressors, Impellers, Pressure, Resonance, Rotors, Vibration, Flow (Dynamics)

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

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

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

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Topics: Bearings, Cavitation, Lubricants, Lubrication, Pressure, Rotors, Temperature, Thrust bearings, Bushings, Simulation

Journal Articles

Investigation of Structurally and Aerodynamically Mistuned Oscillating Cascade Using Fully Coupled Method

H. M. Phan, L. He

J. Eng. Gas Turbines Power. March 2022, 144(3): 031009.

Paper No: GTP-21-1518

DOI: https://doi.org/10.1115/1.4052751

Published Online: December 7, 2021

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Topics: Blades, Cascades (Fluid dynamics), Vibration, Oscillations

Journal Articles

A Novel Test Rig Using Air for Investigation of Vibration and Interaction of Two Steam Turbine Control Valves

Stefan Wallat, Stefan Preibisch, Matthias Strauch, Dieter Brillert

J. Eng. Gas Turbines Power. January 2022, 144(1): 011026.

Paper No: GTP-21-1316

DOI: https://doi.org/10.1115/1.4052160

Published Online: October 26, 2021

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Topics: Pressure, Valves, Vibration, Flow (Dynamics)

Journal Articles

An Unconventional Method for the Diagnosis and Study of Generator Rotor Thermal Bows

Steven Chatterton, Paolo Pennacchi, Andrea Vania

J. Eng. Gas Turbines Power. January 2022, 144(1): 011024.

Paper No: GTP-21-1407

DOI: https://doi.org/10.1115/1.4052079

Published Online: October 20, 2021

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Topics: Generators, Regression models, Rotors, Vibration

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Journal citation

NARROW

Experimental Investigation of Friction Damping in Blade Root Joints

Design and Operability Challenges for Supercritical CO 2 Plants: The sCO 2 -Flex Centrifugal Compressor Test Experience

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

Nonlinear Damper-Blade Coupling Calculations Reduced to Essentials

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

Processing Multicomponent Blade Tip Timing Experimental Data by Independent Component Analysis

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

Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring

On the Pneumatic Hammer of Hybrid Gas Bearings: Measurements and Predictions

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Forced Response System Identification of Full Aero-Engine Rotordynamic Systems for Prognostics and Diagnostics

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

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

Valve Vibration Induced Intake Air Flow Dynamics Analysis Using Near Valve Particle Image Velocimetry

Experimental Investigation on the Mechanism of Impeller Synchronous and Nonsynchronous Vibrations in an Industrial Centrifugal Compressor

Nonlinear Vibration Analysis of Turbine Bladed Disks With Midspan Dampers

Influence of Lubricant Film Cavitation on the Vibration Behavior of a Semifloating Ring Supported Turbocharger Rotor With Thrust Bearing

Investigation of Structurally and Aerodynamically Mistuned Oscillating Cascade Using Fully Coupled Method

A Novel Test Rig Using Air for Investigation of Vibration and Interaction of Two Steam Turbine Control Valves

An Unconventional Method for the Diagnosis and Study of Generator Rotor Thermal Bows

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