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Journal Articles

Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor with Refrigerant Gas

Accepted Manuscript
Carlo Cravero, Davide Marsano, Vishnu Sishtla, Chaitanya Halbe, William T. Cousins
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1246
https://doi.org/10.1115/1.4063577
Published Online: September 30, 2023
View Article titled, Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor with Refrigerant Gas
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Topics: Compressors, Refrigerants, Surges, Flow (Dynamics), Pressure, Diffusers, Fluid dynamics, Signals, Computational fluid dynamics, Design
Journal Articles

A Conceptual Model for the Flutter Mechanism in Interlocked Turbine Blades

Juan Manuel Gallardo, Óscar Pérez Escobar
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. November 2023, 145(11): 111015.
Paper No: GTP-23-1314
https://doi.org/10.1115/1.4063313
Published Online: September 29, 2023
View Article titled, A Conceptual Model for the Flutter Mechanism in Interlocked Turbine Blades
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Topics: Blades, Flutter (Aerodynamics), Torsion, Finite element methods, Damping, Stability, Mode shapes, Turbines
Journal Articles

Functionalization of All-Oxide CMC Elements Using 3D Braiding and Pressure Slip Casting for Composite Processing: Approaches to Reduce the Filter Effect of Dense Reinforcement Textiles

Accepted Manuscript
Fabian Jung, Niels Grigat, Ben Vollbrecht, Thomas Gries
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1408
https://doi.org/10.1115/1.4063531
Published Online: September 29, 2023
View Article titled, Functionalization of All-Oxide CMC Elements Using 3D Braiding and Pressure Slip Casting for Composite Processing: Approaches to Reduce the Filter Effect of Dense Reinforcement Textiles
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Topics: Ceramic matrix composites, Composite materials, Filters, Pressure, Slip casting (Process), Textiles, Braid (Textile), Density, Emissions, Energy sustainability
Journal Articles

Multi-Objective Experimental Combustor Development Using Surrogate Model-Based Optimization

Accepted Manuscript
Johann Moritz Reumschüssel, Jakob G.R. von Saldern, Bernhard Cosic, Christian Oliver Paschereit
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1361
https://doi.org/10.1115/1.4063535
Published Online: September 29, 2023
View Article titled, Multi-Objective Experimental Combustor Development Using Surrogate Model-Based Optimization
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Topics: Combustion chambers, Optimization, Fuels, Stress, Design, Emissions, Combustion, Combustion systems, Ejectors, Errors
Journal Articles

Integrated Aerodynamic and Mechanical Design of a Large-scale Axial Turbine Operating with Supercritical Carbon Dioxide Mixtures

Accepted Manuscript
Abdelrahman Abdeldayem, Andrea Paggini, Tommaso Diurno, Claudio Orazi, Martin White, Marco Ruggiero, A.I. Sayma
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1302
https://doi.org/10.1115/1.4063530
Published Online: September 29, 2023
View Article titled, Integrated Aerodynamic and Mechanical Design of a Large-scale Axial Turbine Operating with Supercritical Carbon Dioxide Mixtures
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Topics: Design engineering, Supercritical carbon dioxide, Turbines, Design, Manufacturing, Pressure, Exhaust systems, Flow (Dynamics), Rotors, Aerodynamic flow
Journal Articles

A Surge/Stall-Capable Dynamic Performance Simulation Methodology for a Turbojet Engine

Accepted Manuscript
Emrah Güllü, Gökhan Aran
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1358
https://doi.org/10.1115/1.4063422
Published Online: September 13, 2023
View Article titled, A Surge/Stall-Capable Dynamic Performance Simulation Methodology for a Turbojet Engine
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Topics: Engines, Simulation, Surges, Turbojets, Flow (Dynamics), Cycles, Modeling, Transients (Dynamics), Combustion chambers, Compressors
Journal Articles

Stability Characteristics of an Actively Valved Resonant Pulse Combustor

Xuren Zhu, Joel C. Lisanti, Thibault F. Guiberti, William L. Roberts
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061011.
Paper No: GTP-22-1160
https://doi.org/10.1115/1.4056456
Published Online: January 17, 2023
View Article titled, Stability Characteristics of an Actively Valved Resonant Pulse Combustor
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Topics: Combustion, Combustion chambers, Fuels, Pressure, Resonance, Signals, Stability, Valves, Oscillations
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051019.
Paper No: GTP-22-1478
https://doi.org/10.1115/1.4056347
Published Online: January 10, 2023
View Article titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
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Topics: Computational fluid dynamics, Dampers, Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Stiffness, Stability
Journal Articles

Next Generation Air Plasma Spray Porous Thermal Barrier Coatings for Gas Turbine Combustors

Nagaraja Rudrapatna, Bradley Lutz, Harry Kington
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041004.
Paper No: GTP-22-1413
https://doi.org/10.1115/1.4055919
Published Online: December 8, 2022
View Article titled, Next Generation Air Plasma Spray Porous Thermal Barrier Coatings for Gas Turbine Combustors
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Topics: Coating processes, Coatings, Combustion chambers, Cycles, Gas turbines, Manufacturing, Plasmas (Ionized gases), Sprays, Stability, Temperature
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031025.
Paper No: GTP-22-1247
https://doi.org/10.1115/1.4055351
Published Online: December 8, 2022
View Article titled, A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump
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Topics: Damping, Impellers, Leakage, Oxygen, Rotors, Sealing (Process), Stators, Stiffness, Stress, Whirls
Journal Articles

Stability Analysis of an Industrial Blade Accounting for a Blade-Tip/Casing Nonlinear Interface

Yann Colaïtis, Alain Batailly
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041003.
Paper No: GTP-22-1331
https://doi.org/10.1115/1.4055492
Published Online: December 8, 2022
View Article titled, Stability Analysis of an Industrial Blade Accounting for a Blade-Tip/Casing Nonlinear Interface
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Topics: Blades, Stability, Rotors, Computation, Accounting
Journal Articles

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

Anthony Tacher, Fabrice Thouverez, Jason Armand
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021004.
Paper No: GTP-22-1142
https://doi.org/10.1115/1.4056020
Published Online: November 28, 2022
View Article titled, The Flutter Stability of Mistuned Bladed Disks Subjected to the Coriolis Effect
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Topics: Blades, Coriolis force, Damping, Disks, Flutter (Aerodynamics), Stability
Journal Articles

Effects of Cooled Exhaust Gas Recirculation Combined With Prechamber Jet Ignition on the Combustion Characteristics in a Kerosene-Fueled Spark Ignition Engine

Fengnian Liu, Lei Zhou, Yusheng Zhang, Changwen Liu, Haiqiao Wei
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021001.
Paper No: GTP-22-1084
https://doi.org/10.1115/1.4055422
Published Online: November 28, 2022
View Article titled, Effects of Cooled Exhaust Gas Recirculation Combined With Prechamber Jet Ignition on the Combustion Characteristics in a Kerosene-Fueled Spark Ignition Engine
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Topics: Combustion, Exhaust gas recirculation, Heat, Ignition, Engines, Stability, Corporate average fuel economy, Fuel efficiency, Flow (Dynamics), Spark-ignition engine
Journal Articles

On the Effect of Frequency Separation, Mass Ratio, Solidity, and Aerodynamic Resonances in Coupled Mode Flutter of a Linear Compressor Cascade

Matthias Schuff, Virginie Anne Chenaux
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011018.
Paper No: GTP-22-1340
https://doi.org/10.1115/1.4055788
Published Online: October 21, 2022
View Article titled, On the Effect of Frequency Separation, Mass Ratio, Solidity, and Aerodynamic Resonances in Coupled Mode Flutter of a Linear Compressor Cascade
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Topics: Aerodynamics, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Fluid-dynamic forces, Flutter (Aerodynamics), Resonance, Separation (Technology), Damping, Stability
Journal Articles

Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation

Ioannis Gavalas, Athanasios Chasalevris
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011003.
Paper No: GTP-22-1375
https://doi.org/10.1115/1.4055533
Published Online: October 19, 2022
View Article titled, Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation
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Topics: Bearings, Bifurcation, Rotors, Trains, Design, Turbogenerators, Limit cycles, Stability
Journal Articles

Azimuthal Instabilities of an Annular Combustor With Different Swirling Injectors

Preethi Rajendram Soundararajan, Daniel Durox, Antoine Renaud, Sébastien Candel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111018.
Paper No: GTP-22-1357
https://doi.org/10.1115/1.4055450
Published Online: September 23, 2022
View Article titled, Azimuthal Instabilities of an Annular Combustor With Different Swirling Injectors
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Topics: Combustion chambers, Ejectors, Flames, Sprays, Pressure drop, Stability, Swirling flow
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091015.
Paper No: GTP-22-1240
https://doi.org/10.1115/1.4055188
Published Online: August 26, 2022
View Article titled, The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing
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Topics: Clearances (Engineering), Foil bearings, Rotors, Vibration, Dynamic analysis, Equilibrium (Physics), Stability, Modal analysis, Damping, Simulation
Journal Articles

A Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations

Gerrit Heilmann, Tong Liu, Pedro Romero Vega, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091013.
Paper No: GTP-22-1270
https://doi.org/10.1115/1.4055189
Published Online: August 22, 2022
View Article titled, A Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations
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Topics: Acoustics, Combustion chambers, Computation, Entropy, Flames, Flow (Dynamics), Heat, Stability, Fluctuations (Physics), Displacement
Journal Articles

Micro-Mixing Combustion for Highly Recuperated Gas Turbines: Effects of Inlet Temperature and Fuel Composition on Combustion Stability and NO x Emissions

Alexandre Landry-Blais, Sani Sivić, Mathieu Picard
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091014.
Paper No: GTP-22-1377
https://doi.org/10.1115/1.4055190
Published Online: August 22, 2022
View Article titled, Micro-Mixing Combustion for Highly Recuperated Gas Turbines: Effects of Inlet Temperature and Fuel Composition on Combustion Stability and NO x Emissions
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Topics: Combustion, Emissions, Flames, Fuels, Nitrogen oxides, Temperature, Ejectors, Stability, Design, Combustion chambers
Journal Articles

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

Leonardo Urbiola-Soto, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081009.
Paper No: GTP-22-1010
https://doi.org/10.1115/1.4054606
Published Online: June 20, 2022
View Article titled, Rotor Stability Effects of Tilting Pad Journal Bearings With Assembled Clearance Asymmetry
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Topics: Bearings, Clearances (Engineering), Rotors, Stability, Stiffness, Shells, Journal bearings, American Petroleum Institute, Manufacturing