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Journal Articles

Rotor Stability Effects of Tilting Pad Journal Bearings With Assembled Clearance Asymmetry

Leonardo Urbiola-Soto, Paolo Pennacchi

J. Eng. Gas Turbines Power. August 2022, 144(8): 081009.

Paper No: GTP-22-1010

DOI: https://doi.org/10.1115/1.4054606

Published Online: June 20, 2022

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Topics: Bearings, Clearances (Engineering), Rotors, Stability, Stiffness, Shells, Journal bearings, American Petroleum Institute, Manufacturing

Journal Articles

Operational Modal Analyses of Brush Seals and Seating Load Simulations

Ertuğrul Tolga Duran

J. Eng. Gas Turbines Power. July 2022, 144(7): 071005.

Paper No: GTP-21-1610

DOI: https://doi.org/10.1115/1.4053964

Published Online: May 20, 2022

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Topics: Fibers, Modeling, Pressure, Stress, Simulation, Modal analysis, Stability, Finite element analysis, Rotors, Design

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

Gradient-Free Optimization in Thermoacoustics: Application to a Low-Order Model

Johann Moritz Reumschüssel, Jakob G. R. von Saldern, Yiqing Li, Christian Oliver Paschereit, Alessandro Orchini

J. Eng. Gas Turbines Power. May 2022, 144(5): 051004.

Paper No: GTP-21-1284

DOI: https://doi.org/10.1115/1.4052087

Published Online: February 21, 2022

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Topics: Flames, Optimization, Acoustics, Algorithms, Fluctuations (Physics), Pressure, Evolutionary algorithms, Fuel injectors, Stability, Optimization algorithms

Journal Articles

Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network

Ding Guo, Tianyuan Liu, Di Zhang, Yonghui Xie

J. Eng. Gas Turbines Power. February 2022, 144(2): 021023.

Paper No: GTP-21-1525

DOI: https://doi.org/10.1115/1.4052832

Published Online: December 7, 2021

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Topics: Rotors, Steam turbines, Stress, Temperature, Stability, Finite element analysis

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

Compressor Stability at Pulsating Condition Via Gas Dynamics Responses Analysis

Mengying Shu, Bijie Yang, Mingyang Yang, Ricardo F. Martinez-Botas, Weilin Zhuge

J. Eng. Gas Turbines Power. February 2022, 144(2): 021017.

Paper No: GTP-21-1051

DOI: https://doi.org/10.1115/1.4052664

Published Online: December 3, 2021

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Topics: Compressors, Surges, Stability, Transients (Dynamics), Flow (Dynamics), Oscillations

Journal Articles

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Elia Iseli, Jürg Schiffmann

J. Eng. Gas Turbines Power. December 2021, 143(12): 121008.

Paper No: GTP-21-1350

DOI: https://doi.org/10.1115/1.4052025

Published Online: October 4, 2021

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Topics: Bearings, Compressibility, Rotors, Stability, Transients (Dynamics), Inertia (Mechanics), Transient analysis

Journal Articles

Dynamic Modeling and Nonlinear Characteristics of a Cracked Bolt-Disk Combined Rotor System

Yi Liu, Heng Liu, Yuan Li, Nanshan Wang

J. Eng. Gas Turbines Power. September 2021, 143(9): 091024.

Paper No: GTP-20-1293

DOI: https://doi.org/10.1115/1.4051415

Published Online: August 9, 2021

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Topics: Disks, Fracture (Materials), Rotors, Vibration, Stability

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

Transient Flutter Stability Analysis of Structural Mistuned Blisk by Energy Growth Method

Luohui Ouyang, Qingzhen Bi, Hua Chen, Hai Shang, Limin Zhu

J. Eng. Gas Turbines Power. September 2021, 143(9): 091015.

Paper No: GTP-20-1757

DOI: https://doi.org/10.1115/1.4050860

Published Online: May 31, 2021

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Topics: Blades, Eigenvalues, Flutter (Aerodynamics), Stability, Transients (Dynamics), Lumped parameter models

Journal Articles

A Time–Space Multigrid Method for Efficient Solution of the Harmonic Balance Equation System

Hangkong Wu, Dingxi Wang, Xiuquan Huang, Shenren Xu

J. Eng. Gas Turbines Power. September 2021, 143(9): 091006.

Paper No: GTP-21-1006

DOI: https://doi.org/10.1115/1.4050365

Published Online: April 29, 2021

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Topics: Flow (Dynamics), Pressure, Stability, Unsteady flow, Nozzles, Cascades (Fluid dynamics), Turbines, Boundary-value problems, Fourier transforms

Journal Articles

Multivariable Adaptive Control Method for Turbofan Engine With Dynamic and Input Uncertainties

Jiashuai Liu, Xi Wang, Meiyin Zhu, Keqiang Miao

J. Eng. Gas Turbines Power. July 2021, 143(7): 071027.

Paper No: GTP-20-1486

DOI: https://doi.org/10.1115/1.4049296

Published Online: March 31, 2021

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Topics: Actuators, Adaptive control, Control equipment, Engines, Stability, Turbofans, Uncertainty, Design, Errors, Flow (Dynamics)

Journal Articles

Prestall Disturbances and Stall Inception for an Eccentric Low-Speed Axial Compressor With Inlet Swirl

Xuegao Wang, Jun Hu, Jin Guo, Chao Jiang, Zhiqiang Wang

J. Eng. Gas Turbines Power. June 2021, 143(6): 061021.

Paper No: GTP-20-1301

DOI: https://doi.org/10.1115/1.4049382

Published Online: March 31, 2021

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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Rotors, Stall inception, Blades, Stability, Errors, Pressure

Journal Articles

Experimental and Numerical Characterization of a Novel Natural Gas Low NO x Burner in Gas Turbine Realistic Environment

Matteo Cerutti, Pier Carlo Nassini, Daniele Pampaloni, Antonio Andreini

J. Eng. Gas Turbines Power. July 2021, 143(7): 071018.

Paper No: GTP-20-1437

DOI: https://doi.org/10.1115/1.4049446

Published Online: March 31, 2021

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Topics: Combustion chambers, Emissions, Flames, Fuels, Nitrogen oxides, Pressure, Temperature, Stability, Gas turbines, Geometry

Journal Articles

Heavy Fuel Oil Combustion Characteristics Evaluation in Various Swirling Flow Conditions

Xinyan Pei, A.M. Elbaz, Long Jiang, Kamal M. AlAhmadi, Saumitra Saxena, William L. Roberts

J. Eng. Gas Turbines Power. July 2021, 143(7): 071012.

Paper No: GTP-20-1201

DOI: https://doi.org/10.1115/1.4049774

Published Online: March 31, 2021

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Topics: Air flow, Combustion, Emissions, Flames, Flow (Dynamics), Fuels, Swirling flow, Temperature, Sprays, Fuel oils

Journal Articles

Effect of Hydrogen on Steady-State and Transient Combustion Instability Characteristics

John Strollo, Stephen Peluso, Jacqueline O'Connor

J. Eng. Gas Turbines Power. July 2021, 143(7): 071023.

Paper No: GTP-20-1456

DOI: https://doi.org/10.1115/1.4049481

Published Online: March 31, 2021

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Topics: Combustion chambers, Flames, Hydrogen, Pressure, Steady state, Transients (Dynamics), Oscillations, Heat, Combustion, Dynamics (Mechanics)

Journal Articles

Energetically Consistent Computation of Combustor Stability With a Model Consisting of a Helmholtz Finite Element Method Domain and a Low-Order Network

Gerrit Heilmann, Christoph Hirsch, Thomas Sattelmayer

J. Eng. Gas Turbines Power. May 2021, 143(5): 051024.

Paper No: GTP-20-1768

DOI: https://doi.org/10.1115/1.4050024

Published Online: March 15, 2021

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Topics: Acoustics, Boundary-value problems, Combustion chambers, Damping, Finite element methods, Flow (Dynamics), Mach number, Network models, Stability, Errors

Journal Articles

The Role of the Centerbody Wake on the Precessing Vortex Core Dynamics of a Swirl Nozzle

Arnab Mukherjee, Nishanth Muthichur, Chaitali More, Saarthak Gupta, Santosh Hemchandra

J. Eng. Gas Turbines Power. May 2021, 143(5): 051019.

Paper No: GTP-20-1634

DOI: https://doi.org/10.1115/1.4050155

Published Online: March 15, 2021

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Topics: Flow (Dynamics), Nozzles, Stability, Vortices, Wakes, Combustion chambers

Journal Articles

Protection and Identification of Thermoacoustic Azimuthal Modes

G. Ghirardo, F. Gant, F. Boudy, M. R. Bothien

J. Eng. Gas Turbines Power. April 2021, 143(4): 041021.

Paper No: GTP-20-1736

DOI: https://doi.org/10.1115/1.4049909

Published Online: February 26, 2021

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Topics: Acoustics, Combustion chambers, Engines, Flames, Noise (Sound), Phase space, Sound pressure, Time series, Annulus, Dynamics (Mechanics)

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Supplemental Material

Rotor Stability Effects of Tilting Pad Journal Bearings With Assembled Clearance Asymmetry

Operational Modal Analyses of Brush Seals and Seating Load Simulations

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

Gradient-Free Optimization in Thermoacoustics: Application to a Low-Order Model

Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network

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

Compressor Stability at Pulsating Condition Via Gas Dynamics Responses Analysis

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Dynamic Modeling and Nonlinear Characteristics of a Cracked Bolt-Disk Combined Rotor System

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

Transient Flutter Stability Analysis of Structural Mistuned Blisk by Energy Growth Method

A Time–Space Multigrid Method for Efficient Solution of the Harmonic Balance Equation System

Multivariable Adaptive Control Method for Turbofan Engine With Dynamic and Input Uncertainties

Prestall Disturbances and Stall Inception for an Eccentric Low-Speed Axial Compressor With Inlet Swirl

Experimental and Numerical Characterization of a Novel Natural Gas Low NO x Burner in Gas Turbine Realistic Environment

Heavy Fuel Oil Combustion Characteristics Evaluation in Various Swirling Flow Conditions

Effect of Hydrogen on Steady-State and Transient Combustion Instability Characteristics

Energetically Consistent Computation of Combustor Stability With a Model Consisting of a Helmholtz Finite Element Method Domain and a Low-Order Network

The Role of the Centerbody Wake on the Precessing Vortex Core Dynamics of a Swirl Nozzle

Protection and Identification of Thermoacoustic Azimuthal Modes

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