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Journal Articles

Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability In Hydrostatic Thrust Bearings: Analysis And Experimental Validation

Accepted Manuscript
Homin Lim, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1601
https://doi.org/10.1115/1.4066780
Published Online: October 4, 2024
View Article titled, Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability In Hydrostatic Thrust Bearings: Analysis And Experimental Validation
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Topics: Hammers, Hydrostatics, Thrust bearings, Bearings, Stress, Design, Stiffness, Damping, Fluids, Friction
Journal Articles

Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen

Accepted Manuscript
Chaeyeon Baek, Hyunsung Jung, Junwon Heo, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1603
https://doi.org/10.1115/1.4066781
Published Online: October 4, 2024
View Article titled, Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen
Open the PDF for Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen in another window
Topics: Design, Hydrostatics, Journal bearings, Lasers, Nitrogen, Stress, Testing, Turbomachinery, Water, Bearings
Journal Articles

Extended Testing of the Auto-Ignition Characteristics of Hydrogen-Natural Gas Mixtures for the Safety of Power Plants

Accepted Manuscript
Christopher Loving, Garrett Mastantuono, Ramees K. Rahman, Gihun Kim, Subith Vasu, Travis Pigon, Angel Hernandez, Scott Cloyd
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1388
https://doi.org/10.1115/1.4066702
Published Online: September 28, 2024
View Article titled, Extended Testing of the Auto-Ignition Characteristics of Hydrogen-Natural Gas Mixtures for the Safety of Power Plants
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Topics: Hydrogen, Ignition, Power stations, Safety, Testing, Fuels, Carbon, Gas turbines, Natural gas, Temperature
Journal Articles

Improving a Two-Equation Eddy-Viscosity Turbulence Model for High-Rayleigh-Number Natural-Convection Flows Using Machine Learning

Accepted Manuscript
Ali Haghiri, Xiaowei Xu, Richard Sandberg, Koichi Tanimoto, Takuo Oda
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1407
https://doi.org/10.1115/1.4066594
Published Online: September 20, 2024
View Article titled, Improving a Two-Equation Eddy-Viscosity Turbulence Model for High-Rayleigh-Number Natural-Convection Flows Using Machine Learning
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Topics: Eddies (Fluid dynamics), Flow (Dynamics), Machine learning, Natural convection, Turbulence, Viscosity, Reynolds-averaged Navier–Stokes equations, Heat flux, Reynolds stress, Computer programming
Journal Articles

Development of High-Temperature, Interlaminar Tension Test Methodology for Ceramic Matrix Composites

Jacob T. Mattison, D. Calvin Faucett, Sung R. Choi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011008.
Paper No: GTP-24-1298
https://doi.org/10.1115/1.4066288
Published Online: September 13, 2024
View Article titled, Development of High-Temperature, Interlaminar Tension Test Methodology for Ceramic Matrix Composites
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Topics: Ceramic matrix composites, Compression, Silicon carbide, Temperature, Tension, Testing, High temperature
Journal Articles

Dynamic Response of a Rotor Supported On Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions

Accepted Manuscript
Howon Yi, Kyuman Kim, Hyunsung Jung, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1501
https://doi.org/10.1115/1.4066539
Published Online: September 13, 2024
View Article titled, Dynamic Response of a Rotor Supported On Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions
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Topics: Bearings, Dynamic response, Nitrogen, Rotors, Water, Fluids, Rocket engines, Fluid films, Bearing design, Databases
Journal Articles

CFD Modeling of Additively Manufactured Extreme Environment Heat Exchangers for Waste Heat Recuperation

Accepted Manuscript
Vyas Duggirala, Venkateshwara Reddy, Arun Muley, Michael Stoia, Doug Vanaffelen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1437
https://doi.org/10.1115/1.4066512
Published Online: September 12, 2024
View Article titled, CFD Modeling of Additively Manufactured Extreme Environment Heat Exchangers for Waste Heat Recuperation
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Topics: Additive manufacturing, Computational fluid dynamics, Heat exchangers, Modeling, Waste heat, Design, Heat transfer, Manifolds, Pressure, Temperature
Journal Articles

Design and Manufacture of EBC Coated SiC/SiC Nozzle Guide Vanes for High-Pressure Turbines

Accepted Manuscript
Fabia Süß, Robin Schöffler, Lion Friedrich, Anna Petersen, Felix Vogel, Martin Frieß, Andrea Ebach-Stahl
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1248
https://doi.org/10.1115/1.4066436
Published Online: September 6, 2024
View Article titled, Design and Manufacture of EBC Coated SiC/SiC Nozzle Guide Vanes for High-Pressure Turbines
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Topics: Design, High pressure (Physics), Nozzle guide vanes, Silicon carbide, Turbines, Ceramic matrix composites, Cooling, Coating processes, Coatings, Jet engines
Journal Articles

Expanding the Capability of a Legacy Combustion Flametube to Test High Temperature Engine Materials in Relevant Environments

Accepted Manuscript
Bryan Harder, Carl Liebfried, Thomas Luginbuhl, Andrew Smith, Amy Stalker, Michael Presby
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1250
https://doi.org/10.1115/1.4066391
Published Online: September 2, 2024
View Article titled, Expanding the Capability of a Legacy Combustion Flametube to Test High Temperature Engine Materials in Relevant Environments
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Topics: Combustion, Engines, High temperature, Design, Airfoils, Ceramic matrix composites, Gas turbines, Manufacturing, Testing, Air flow
Journal Articles

Understanding EBC Lifetimes and Performance for Industrial Gas Turbines

Accepted Manuscript
Mackenzie Ridley, Dr. Michael Lance, Trevor Aguirre, Ken Kane, Bruce A. Pint
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1336
https://doi.org/10.1115/1.4066349
Published Online: August 26, 2024
View Article titled, Understanding EBC Lifetimes and Performance for Industrial Gas Turbines
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Topics: Industrial gases, Turbines, Ceramic matrix composites, Silicon carbide, Coatings, Hydrogen, Silicon dioxide, Temperature, Chemical kinetics, Cycles
Journal Articles

A Dynamic Testing Approach for Particulate Erosion–Corrosion for Gas Turbine Coatings

Jamesa L. Stokes, Michael J. Presby
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111006.
Paper No: GTP-24-1223
https://doi.org/10.1115/1.4065886
Published Online: July 16, 2024
View Article titled, A Dynamic Testing Approach for Particulate Erosion–Corrosion for Gas Turbine Coatings
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Topics: Coatings, Corrosion, Erosion, Particulate matter, Testing, Coating processes, Temperature, Particle size, Durability, Gas turbines
Journal Articles

Dynamic Modeling and Experimental Modal Analysis for the Central Rod-Fastened Rotor With Hirth Couplings Based on Fractal Contact Theory

Gancai Huang, Chao Liu, Dongxiang Jiang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101015.
Paper No: GTP-24-1061
https://doi.org/10.1115/1.4065672
Published Online: June 18, 2024
View Article titled, Dynamic Modeling and Experimental Modal Analysis for the Central Rod-Fastened Rotor With Hirth Couplings Based on Fractal Contact Theory
Open the PDF for Dynamic Modeling and Experimental Modal Analysis for the Central Rod-Fastened Rotor With Hirth Couplings Based on Fractal Contact Theory in another window
Topics: Couplings, Fractals, Rotors, Stiffness, Surface roughness, Testing, Dynamic modeling, Shapes
Journal Articles

Simulation-Based Thermal Fatigue Validation Test Development for Exhaust Manifold

Ambikapathy Naganathan, Billy G. Holland, Caner A. Demirdogen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081024.
Paper No: GTP-23-1678
https://doi.org/10.1115/1.4065112
Published Online: April 4, 2024
View Article titled, Simulation-Based Thermal Fatigue Validation Test Development for Exhaust Manifold
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Topics: Cycles, Damage, Exhaust manifolds, Temperature, Simulation, Fatigue, Testing, Engines
Journal Articles

Evaluation of Extreme Value Predictions for Unsteady Flow Distortion of Aero-Engine Intakes

Matteo Migliorini, Pavlos K. Zachos, David G. MacManus
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. September 2024, 146(9): 094501.
Paper No: GTP-23-1520
https://doi.org/10.1115/1.4064728
Published Online: March 11, 2024
View Article titled, Evaluation of Extreme Value Predictions for Unsteady Flow Distortion of Aero-Engine Intakes
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Topics: Aircraft engines, Ducts, Flow (Dynamics), Fluctuations (Physics), Unsteady flow, Engineering standards, Testing, Propulsion systems, Gas turbines, Engineers
Journal Articles

Integrally Bladed Rotor Modal Identification Under Traveling Wave Excitation With High Density Measurement Points

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081013.
Paper No: GTP-23-1608
https://doi.org/10.1115/1.4064192
Published Online: February 8, 2024
View Article titled, Integrally Bladed Rotor Modal Identification Under Traveling Wave Excitation With High Density Measurement Points
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Topics: Algorithms, Blades, Excitation, Mode shapes, Spectral energy distribution, Traveling waves, Rotors, System identification, Testing
Journal Articles

Tuning Modal Behavior of Additively Manufactured Lattice Structures

Marco Beghini, Tommaso Grossi, Giuseppe Macoretta, Bernardo Disma Monelli, Ivan Senegaglia, Paolo del Turco, Andrea Fardelli, Francesco Morante
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2024, 146(7): 071008.
Paper No: GTP-23-1508
https://doi.org/10.1115/1.4064264
Published Online: February 8, 2024
View Article titled, Tuning Modal Behavior of Additively Manufactured Lattice Structures
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Topics: Additive manufacturing, Density, Design, Finite element methods, Finite element model, Geometry, Hammers, Metamaterials, Modal analysis, Optimization
Journal Articles

Prospects for Low-Resolution NDIR Sensors to Discern Ignition Properties of Fuels

Ashish Sutar, Anandvinod Dalmiya, Manaf Sheyyab, Hadis Anahideh, Eric K. Mayhew, Kenneth Brezinsky, Patrick T. Lynch
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2024, 146(7): 071009.
Paper No: GTP-23-1518
https://doi.org/10.1115/1.4064334
Published Online: February 8, 2024
View Article titled, Prospects for Low-Resolution NDIR Sensors to Discern Ignition Properties of Fuels
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Topics: Fourier transform infrared spectroscopy, Fuels, Machine learning, Resolution (Optics), Sensors, Ignition, Jet fuels, Light-emitting diodes, Testing
Journal Articles

Development of an Artificial Intelligence Model to Predict Combustion Properties, With a Focus on Auto-Ignition Delay

Roda Bounaceur, Romain Heymes, Pierre-Alexandre Glaude, Baptiste Sirjean, René Fournet, Pierre Montagne, Alexandre Auvray, Eric Impellizzeri, Pierre Biehler, Alexandre Picard, Bastien Prieur-Garrouste, Michel Molière
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061011.
Paper No: GTP-23-1436
https://doi.org/10.1115/1.4063774
Published Online: January 4, 2024
View Article titled, Development of an Artificial Intelligence Model to Predict Combustion Properties, With a Focus on Auto-Ignition Delay
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Topics: Algorithms, Artificial intelligence, Artificial neural networks, Combustion, Delays, Ignition, Ignition delay, Natural gas, Pressure, Robustness
Journal Articles

Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO 2 Power Cycle Representative Testing

Logan Tuite, James Braun, Guillermo Paniagua
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061017.
Paper No: GTP-23-1463
https://doi.org/10.1115/1.4063956
Published Online: January 4, 2024
View Article titled, Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO 2 Power Cycle Representative Testing
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Topics: Blades, Design, Optimization, Supercritical carbon dioxide, Flow (Dynamics), Testing, Pressure, High pressure (Physics)
Journal Articles

Methodology to Monitor Early Warnings Before Gas Turbine Trip

Enzo Losi, Mauro Venturini, Lucrezia Manservigi, Giovanni Bechini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051005.
Paper No: GTP-23-1524
https://doi.org/10.1115/1.4063720
Published Online: December 8, 2023
View Article titled, Methodology to Monitor Early Warnings Before Gas Turbine Trip
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Topics: Gas turbines, Reliability, Probability, Testing, Artificial neural networks