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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

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

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

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

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

Experimental Evidence of the Band Gap Formation in Rotors With Longitudinal Periodicity

Patrick B. Lamas, Rodrigo Nicoletti

J. Eng. Gas Turbines Power. February 2023, 145(2): 024501.

Paper No: GTP-22-1112

DOI: https://doi.org/10.1115/1.4055776

Published Online: November 29, 2022

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Topics: Disks, Energy gap, Rotors, Excitation

Journal Articles

Hysteresis and Bistability in Transversely Excited Swirling Flows

Ravi Gupta, Rajat Gohiya, Chandan Vempati, Santosh Hemchandra, Pratikash Panda

J. Eng. Gas Turbines Power. January 2023, 145(1): 011022.

Paper No: GTP-22-1392

DOI: https://doi.org/10.1115/1.4055669

Published Online: October 21, 2022

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Topics: Acoustics, Ejectors, Flow (Dynamics), Swirling flow, Combustion chambers, Excitation, Pressure

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

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

Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load

Oliver Pütz

J. Eng. Gas Turbines Power. September 2022, 144(9): 091007.

Paper No: GTP-22-1223

DOI: https://doi.org/10.1115/1.4055017

Published Online: August 1, 2022

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Topics: Blades, Excitation, Pressure, Transients (Dynamics), Flow (Dynamics), Resonance ionization spectroscopy, Turbines, Computation, Design, Stress

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

Data-Driven Approach for Identifying Mistuning in As-Manufactured Blisks

Sean T. Kelly, Andrea Lupini, Bogdan I. Epureanu

J. Eng. Gas Turbines Power. May 2022, 144(5): 051006.

Paper No: GTP-21-1431

DOI: https://doi.org/10.1115/1.4052503

Published Online: February 21, 2022

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Topics: Blades, Excitation, Noise (Sound), Artificial neural networks

Journal Articles

Practical Method for Burner Staging Turbine Forced Response Evaluation

Nikola Kafedzhiyski, Maria Mayorca

J. Eng. Gas Turbines Power. May 2022, 144(5): 051009.

Paper No: GTP-21-1456

DOI: https://doi.org/10.1115/1.4052646

Published Online: February 21, 2022

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Topics: Blades, Combustion chambers, Computational fluid dynamics, Temperature, Turbines, Temperature distribution, Rotors, Excitation

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

Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models

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

J. Eng. Gas Turbines Power. December 2021, 143(12): 121012.

Paper No: GTP-20-1576

DOI: https://doi.org/10.1115/1.4051111

Published Online: October 12, 2021

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Topics: Algorithms, Approximation, Blades, Eigenvalues, Elastic moduli, Errors, Excitation, Finite element model, Geometry, Materials properties

Journal Articles

Experimental Investigation on Nonlinear Response of a Low-Swirl Flame to Acoustic Excitation With Large Amplitude

Weijie Liu, Liang Zhang, Ranran Xue, Qian Yang, Huiru Wang

J. Eng. Gas Turbines Power. December 2021, 143(12): 121021.

Paper No: GTP-21-1328

DOI: https://doi.org/10.1115/1.4052024

Published Online: October 12, 2021

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Topics: Excitation, Flames, Acoustics, Heat

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

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

Thomas Hoffmann, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. September 2021, 143(9): 091028.

Paper No: GTP-21-1129

DOI: https://doi.org/10.1115/1.4051172

Published Online: August 11, 2021

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Topics: Disks, Excitation, Blades, Turbine blades

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

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Journal citation

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Manuscript

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

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

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

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

Nonlinear Damper-Blade Coupling Calculations Reduced to Essentials

Experimental Evidence of the Band Gap Formation in Rotors With Longitudinal Periodicity

Hysteresis and Bistability in Transversely Excited Swirling Flows

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

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

Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load

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

Data-Driven Approach for Identifying Mistuning in As-Manufactured Blisks

Practical Method for Burner Staging Turbine Forced Response Evaluation

Determining the Influence of Casing Vibrational Behavior on Rotordynamics

Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models

Experimental Investigation on Nonlinear Response of a Low-Swirl Flame to Acoustic Excitation With Large Amplitude

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

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

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

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