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Journal Articles

Numerical Investigation of CO and NO Production from Premixed Hydrogen/Methane Fuel Blends

Accepted Manuscript
Sanjana Singh, Hari Priya Rajagopalan, Benjamin Emerson, David Noble, Robert Steele, Tim Lieuwen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1206
https://doi.org/10.1115/1.4066701
Published Online: September 28, 2024
View Article titled, Numerical Investigation of CO and NO Production from Premixed Hydrogen/Methane Fuel Blends
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Topics: Fuels, Hydrogen, Methane, Emissions, Nitrogen oxides, Combustion, Tradeoffs, Atoms, Carbon, Carbon dioxide
Journal Articles

Numerical Investigation of Two-Phase Shock Waves in CO 2 Flows Using a Modified Hertz-Knudsen Model

Accepted Manuscript
Giuseppe Petruccelli, Amir Momeni Dolatabadi, Aki Grönman, Teemu Turunen-Saaresti, Alberto Guardone
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1614
https://doi.org/10.1115/1.4066602
Published Online: September 26, 2024
View Article titled, Numerical Investigation of Two-Phase Shock Waves in CO 2 Flows Using a Modified Hertz-Knudsen Model
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Topics: Carbon dioxide, Flow (Dynamics), Shock waves, Shock (Mechanics), Carbon capture and storage, Engineering simulation, Simulation, Computational fluid dynamics, Condensation, Equilibrium (Physics)
Journal Articles

Nonpremixed Approaches for Fuel Flexible, Low NOx Combustors in High-Efficiency Gas Turbines

Benjamin Emerson, Shivam J. Patel, Srujan Gubbi, Randal G. McKinney, David Wu, David R. Noble, Tim Lieuwen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011009.
Paper No: GTP-24-1330
https://doi.org/10.1115/1.4066238
Published Online: September 13, 2024
View Article titled, Nonpremixed Approaches for Fuel Flexible, Low NOx Combustors in High-Efficiency Gas Turbines
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Topics: Combustion chambers, Equilibrium (Physics), Fuels, Nitrogen oxides, Relaxation (Physics), Temperature, Combustion, Methane, Gas turbines
Journal Articles

Thickened Flame Model Extension for Dual Gas GT Combustion: Validation Against Single Cup Atmospheric Test

Accepted Manuscript
Roberto Meloni, Giulia Babazzi, Nicola Giannini, Simone Castellani, Pier Carlo Nassini, Alessio Picchi, Sofia Galeotti, Riccardo Becchi, Antonio Andreini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1286
https://doi.org/10.1115/1.4066511
Published Online: September 12, 2024
View Article titled, Thickened Flame Model Extension for Dual Gas GT Combustion: Validation Against Single Cup Atmospheric Test
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Topics: Combustion, Flames, Fuels, Hydrogen, Chemiluminescence, Combustion chambers, Design, Diffusion (Physics), Emissions, Equilibrium (Physics)
Journal Articles

Off-Equilibrium Linearization-Based Control of Nonlinear Time-Delay System and Application to a Turbofan Engine

Wenchong Yang, Yifeng Tang, Wenxiang Zhou, Gang Yang, Jinquan Huang, Tao Cui
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101017.
Paper No: GTP-24-1028
https://doi.org/10.1115/1.4065993
Published Online: August 16, 2024
View Article titled, Off-Equilibrium Linearization-Based Control of Nonlinear Time-Delay System and Application to a Turbofan Engine
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Topics: Computer simulation, Control equipment, Delays, Engines, Equilibrium (Physics), Errors, Time delay systems, Turbofans, Design, Simulation
Journal Articles

Evaluation of Minimum NO x Emission From Ammonia Combustion

Srujan Gubbi, Renee Cole, Ben Emerson, David Noble, Robert Steele, Wenting Sun, Tim Lieuwen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031023.
Paper No: GTP-23-1582
https://doi.org/10.1115/1.4064219
Published Online: January 3, 2024
View Article titled, Evaluation of Minimum NO x Emission From Ammonia Combustion
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Topics: Combustion, Combustion chambers, Emissions, Nitrogen oxides, Pressure, Temperature, Equilibrium (Physics), Fuels, Firing, Flames
Journal Articles

Tilting Pad Journal Bearing Computational Fluid Dynamic Parametric Modeling for New Energy Transition Challenges

Edoardo Gheller, Vishnu Vardhan Reddy, Satish Koyyalamudi, Steven Chatterton, Daniele Panara, Paolo Pennacchi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041019.
Paper No: GTP-23-1347
https://doi.org/10.1115/1.4063831
Published Online: December 26, 2023
View Article titled, Tilting Pad Journal Bearing Computational Fluid Dynamic Parametric Modeling for New Energy Transition Challenges
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Topics: Bearings, Computational fluid dynamics, Equilibrium (Physics), Journal bearings, Modeling, Temperature, Turbulence, Pressure, Flow (Dynamics)
Journal Articles

Multi-Input Multi-Output Robust Control of Turbofan Engines Based on Off-Equilibrium Linearization Linear Parameter Varying Model

Yifeng Tang, Yan Li, Wenchong Yang, Wenxiang Zhou, Jinquan Huang, Tao Cui
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111006.
Paper No: GTP-23-1054
https://doi.org/10.1115/1.4063278
Published Online: September 29, 2023
View Article titled, Multi-Input Multi-Output Robust Control of Turbofan Engines Based on Off-Equilibrium Linearization Linear Parameter Varying Model
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Topics: Control equipment, Design, Engines, Equilibrium (Physics), Turbofans, Robust control, Polynomials, Errors, Dynamics (Mechanics)
Journal Articles

Computational Fluid Dynamics Modeling of Low Temperature Ignition Processes From a Nanosecond Pulsed Discharge at Quiescent Conditions

Vyaas Gururajan, Riccardo Scarcelli, Sayan Biswas, Isaac Ekoto
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031010.
Paper No: GTP-22-1461
https://doi.org/10.1115/1.4055778
Published Online: December 5, 2022
View Article titled, Computational Fluid Dynamics Modeling of Low Temperature Ignition Processes From a Nanosecond Pulsed Discharge at Quiescent Conditions
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Topics: Ignition, Low temperature, Plasmas (Ionized gases), Methane, Computational fluid dynamics, Heating, Modeling, Flames, Simulation, Temperature
Journal Articles

Computational and Experimental Assessment of a MW-Scale Supercritical CO 2 Compressor Operating in Multiple Near-Critical Conditions

Lorenzo Toni, Ernani Fulvio Bellobuono, Roberto Valente, Alessandro Romei, Paolo Gaetani, Giacomo Persico
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101015.
Paper No: GTP-22-1268
https://doi.org/10.1115/1.4055364
Published Online: September 12, 2022
View Article titled, Computational and Experimental Assessment of a MW-Scale Supercritical CO 2 Compressor Operating in Multiple Near-Critical Conditions
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Topics: Compressors, Flow (Dynamics), Pressure, Speed of sound, Temperature, Simulation, Two-phase flow, Equilibrium (Physics)
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
Publisher: ASME
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

CO Emission Modeling in a Heavy Duty Annular Combustor Operating With Natural Gas

R. Meloni, S. Gori, A. Andreini, P. C. Nassini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011011.
Paper No: GTP-21-1375
https://doi.org/10.1115/1.4052028
Published Online: October 13, 2021
View Article titled, CO Emission Modeling in a Heavy Duty Annular Combustor Operating With Natural Gas
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Topics: Combustion chambers, Emissions, Flames, Pressure, Temperature, Turbulence, Oxidation, Heat losses, Equilibrium (Physics), Combustion
Journal Articles

Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Flexure Pivot Tilting Pad Journal Bearing in Comparison to a Fixed Profile Journal Bearing With Experimental Verification

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091007.
Paper No: GTP-20-1468
https://doi.org/10.1115/1.4050367
Published Online: May 3, 2021
View Article titled, Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Flexure Pivot Tilting Pad Journal Bearing in Comparison to a Fixed Profile Journal Bearing With Experimental Verification
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Topics: Bearings, Bifurcation, Journal bearings, Rotors, Limit cycles, Bending (Stress), Equilibrium (Physics)
Journal Articles

Fully Coupled Turbojet Engine Computational Fluid Dynamics Simulations and Cycle Analyses Along the Equilibrium Running Line

Alejandro M. Briones, Andrew W. Caswell, Brent A. Rankin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061019.
Paper No: GTP-20-1289
https://doi.org/10.1115/1.4049410
Published Online: March 31, 2021
View Article titled, Fully Coupled Turbojet Engine Computational Fluid Dynamics Simulations and Cycle Analyses Along the Equilibrium Running Line
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Topics: Combustion chambers, Compressors, Computational fluid dynamics, Cycles, Engineering simulation, Engines, Equilibrium (Physics), Flow (Dynamics), Pressure, Simulation
Journal Articles

Optimization of CO Turndown for an Axially Staged Gas Turbine Combustor

Jacob E. Rivera, Robert L. Gordon, Mohsen Talei, Gilles Bourque
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2021, 143(7): 071005.
Paper No: GTP-20-1753
https://doi.org/10.1115/1.4049910
Published Online: March 29, 2021
View Article titled, Optimization of CO Turndown for an Axially Staged Gas Turbine Combustor
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Topics: Combustion chambers, Emissions, Engines, Exhaust systems, Temperature, Equilibrium (Physics), Flames, Stress, Fuels, Pressure
Journal Articles

An Accurate Linearization of Electromagnetic Force of Heteropolar Magnetic Bearings With Redundant Structures

Cheng Xin, Cheng Baixin, Liu Han, Allen G. M
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091002.
Paper No: GTP-19-1691
https://doi.org/10.1115/1.4046703
Published Online: August 24, 2020
View Article titled, An Accurate Linearization of Electromagnetic Force of Heteropolar Magnetic Bearings With Redundant Structures
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Topics: Electromagnetic force, Magnetic bearings, Rotors, Errors, Equilibrium (Physics)
Journal Articles

Nonlinear Vibration Prediction of a Highly Flexible Rotor Supported by an Axial Groove Journal Bearing Considering Journal Angular Whirling Motion

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041025.
Paper No: GTP-19-1360
https://doi.org/10.1115/1.4044761
Published Online: February 14, 2020
View Article titled, Nonlinear Vibration Prediction of a Highly Flexible Rotor Supported by an Axial Groove Journal Bearing Considering Journal Angular Whirling Motion
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Topics: Bearings, Journal bearings, Rotors, Whirls, Nonlinear vibration, Disks, Equilibrium (Physics)
Journal Articles

Reduced Order Models for Nonlinear Dynamic Analysis With Application to a Fan Blade

Mikel Balmaseda, G. Jacquet-Richardet, A. Placzek, D.-M. Tran
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041002.
Paper No: GTP-19-1339
https://doi.org/10.1115/1.4044805
Published Online: January 29, 2020
View Article titled, Reduced Order Models for Nonlinear Dynamic Analysis With Application to a Fan Blade
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Topics: Blades, Computation, Construction, Dynamic analysis, Equilibrium (Physics), Polynomials, Principal component analysis, Rotation, Stiffness, Vibration
Journal Articles

Modeling Multiphase Effects in CO 2 Compressors at Subcritical Inlet Conditions

Ashvin Hosangadi, Zisen Liu, Timothy Weathers, Vineet Ahuja, Judy Busby
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2019, 141(8): 081005.
Paper No: GTP-18-1545
https://doi.org/10.1115/1.4042975
Published Online: March 18, 2019
View Article titled, Modeling Multiphase Effects in CO 2 Compressors at Subcritical Inlet Conditions
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Topics: Carbon dioxide, Compressors, Computational fluid dynamics, Condensation, Flow (Dynamics), Fluids, Impellers, Pressure, Temperature, Vapors
Journal Articles

Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps

Clay S. Norrbin, Dara W. Childs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062602.
Paper No: GTP-17-1478
https://doi.org/10.1115/1.4038482
Published Online: January 17, 2018
View Article titled, Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps
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Topics: Cathodic protection, Displacement, Equilibrium (Physics), Fluids, Pumps, Rotors, Submersibles, Stiffness, Stability, Rotordynamics