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Journal Articles

Effects of the Seal Wire On the Nonlinear Dynamics of the Aircraft Engine Turbine Blades

Accepted Manuscript
Mertol Tufekci, Fadi El-Haddad, Loic Salles, Richard Setchfield, Ludovic Renson
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1305
https://doi.org/10.1115/1.4063413
Published Online: September 12, 2023
View Article titled, Effects of the Seal Wire On the Nonlinear Dynamics of the Aircraft Engine Turbine Blades
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Topics: Aircraft engines, Nonlinear dynamics, Turbine blades, Wire, Blades, Damping, Boundary-value problems, Disks, Locks (Waterways), Time-domain analysis
Journal Articles

Experimental Investigation Of High Frequency Flame Response On Injector Coupling In A Perfectly Premixed Multi-Jet Combustor

Accepted Manuscript
Jan-Andre Rosenkranz, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1320
https://doi.org/10.1115/1.4063375
Published Online: September 8, 2023
View Article titled, Experimental Investigation Of High Frequency Flame Response On Injector Coupling In A Perfectly Premixed Multi-Jet Combustor
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Topics: Combustion chambers, Ejectors, Flames, Acoustics, Fluctuations (Physics), Feedback, Heat, Computer simulation, Deformation, Delays
Journal Articles

Numerical Modeling and Analysis of Energy-Assisted Compression Ignition of Varying Cetane Number Jet Fuels for High-Altitude Operation

Harsh Darshan Sapra, Randy Hessel, Eri Amezcua, Jacob Stafford, Niranjan Miganakallu, David Rothamer, Kenneth Kim, Chol-Bum M. Kweon, Sage Kokjohn
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091004.
Paper No: GTP-23-1104
https://doi.org/10.1115/1.4062415
Published Online: July 19, 2023
View Article titled, Numerical Modeling and Analysis of Energy-Assisted Compression Ignition of Varying Cetane Number Jet Fuels for High-Altitude Operation
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Topics: Computer simulation, Engines, Fuels, Ignition, Temperature, Jet fuels, Compression, Metals, Combustion, Computational fluid dynamics
Journal Articles

Effects of Wobbe Index on the Combustion and Emission Characteristics of a Natural Gas/Diesel RCCI Engine

Weijian Zhou, Hongyuan Xi, Song Zhou, Majed Shreka, Zhao Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061001.
Paper No: GTP-22-1109
https://doi.org/10.1115/1.4056288
Published Online: January 13, 2023
View Article titled, Effects of Wobbe Index on the Combustion and Emission Characteristics of a Natural Gas/Diesel RCCI Engine
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Topics: Combustion, Diesel, Emissions, Engines, Natural gas, Cylinders, Pressure, Temperature, Computer simulation, Fuels
Journal Articles

Performance Prediction Method for Forward Variable Area Bypass Injector of Variable Cycle Engine Based on Numerical Simulation

Man Zhen, Xue-zhi Dong, Jun-chao Zheng, Xi-yang Liu, Chun-qing Tan
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061002.
Paper No: GTP-22-1202
https://doi.org/10.1115/1.4056307
Published Online: January 13, 2023
View Article titled, Performance Prediction Method for Forward Variable Area Bypass Injector of Variable Cycle Engine Based on Numerical Simulation
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Topics: Computer simulation, Cycles, Ejectors, Engines, Flow (Dynamics), Pressure, Valves, Design
Journal Articles

Direct Numerical Simulation of Partial Fuel Stratification Assisted Lean Premixed Combustion for Assessment of Hybrid G-Equation/Well-Stirred Reactor Model

Chao Xu, Muhsin Ameen, Pinaki Pal, Sibendu Som
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051018.
Paper No: GTP-22-1425
https://doi.org/10.1115/1.4055873
Published Online: January 10, 2023
View Article titled, Direct Numerical Simulation of Partial Fuel Stratification Assisted Lean Premixed Combustion for Assessment of Hybrid G-Equation/Well-Stirred Reactor Model
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Topics: Combustion, Engines, Flames, Fuels, Computer simulation, Pyrolysis, Displacement, Modeling, Temperature, Pressure
Journal Articles

Numerical Investigation of Rich-Lean Staging in a SGT-750 Scaled Dry Low Emission Burner With Partially Decomposed Ammonia

Thomas Indlekofer, Samuel Wiseman, Karl-Johan Nogenmyr, Jenny Larfeldt, Andrea Gruber
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041018.
Paper No: GTP-22-1494
https://doi.org/10.1115/1.4055725
Published Online: December 13, 2022
View Article titled, Numerical Investigation of Rich-Lean Staging in a SGT-750 Scaled Dry Low Emission Burner With Partially Decomposed Ammonia
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Topics: Combustion, Emissions, Flames, Fuels, Large eddy simulation, Nitrogen oxides, Temperature, Combustion chambers, Hydrogen, Network models
Journal Articles

Active Vibration Mitigation of Bladed Structures With Piezoelectric Patches by Decentralized Positive Position Feedback Controller

Ahmad Paknejad, Rasa Jamshidi, Shashank Pathak, Christophe Collette
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021003.
Paper No: GTP-22-1130
https://doi.org/10.1115/1.4056013
Published Online: November 28, 2022
View Article titled, Active Vibration Mitigation of Bladed Structures With Piezoelectric Patches by Decentralized Positive Position Feedback Controller
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Topics: Blades, Control equipment, Control systems, Damping, Design, Feedback, Rails, Resonance, Sensors, Transfer functions
Journal Articles

Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring

Tao Yuan, Zhigang Li, Jun Li, Qi Yuan
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011011.
Paper No: GTP-22-1145
https://doi.org/10.1115/1.4055787
Published Online: October 20, 2022
View Article titled, Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring
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Topics: Damping, Displacement, Film thickness, Fluid films, Fluids, Leakage, Pressure, Sealing (Process), Stiffness, Supercritical carbon dioxide
Journal Articles

Optical and Numerical Investigation of Flame Propagation in a Heavy Duty Spark Ignited Natural Gas Engine With a Bowl-in-Piston Chamber

Jinlong Liu, Christopher J. Ulishney, Cosmin Emil Dumitrescu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111007.
Paper No: GTP-22-1428
https://doi.org/10.1115/1.4055454
Published Online: September 20, 2022
View Article titled, Optical and Numerical Investigation of Flame Propagation in a Heavy Duty Spark Ignited Natural Gas Engine With a Bowl-in-Piston Chamber
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Topics: Combustion, Cylinders, Engines, Flames, Pistons, Turbulence, Compression, Computer simulation, Cycles, Pressure
Journal Articles

Leakage Characteristics of a Novel Hole-Pattern Damping Seal With Dovetail-Like Diversion Grooves: Numerical Simulation and Experiment

Jinbo Jiang, Xuan Zhang, Wenjing Zhao, Yi Ma, Xudong Peng
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071004.
Paper No: GTP-21-1605
https://doi.org/10.1115/1.4054371
Published Online: May 20, 2022
View Article titled, Leakage Characteristics of a Novel Hole-Pattern Damping Seal With Dovetail-Like Diversion Grooves: Numerical Simulation and Experiment
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Topics: Cavities, Damping, Leakage, Clearances (Engineering), Pressure, Sealing (Process), Computer simulation, Flow (Dynamics)
Journal Articles

Determining the Influence of Casing Vibrational Behavior on Rotordynamics

Mona Amer, Martin Paehr, Lars Panning-von Scheidt, Joerg R. Seume, Joachim Schmied
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2022, 144(5): 051012.
Paper No: GTP-21-1556
https://doi.org/10.1115/1.4053123
Published Online: February 21, 2022
View Article titled, Determining the Influence of Casing Vibrational Behavior on Rotordynamics
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Topics: Bearings, Compressors, Computer simulation, Damping, Excitation, Manufacturing, Modal analysis, Modeling, Rotordynamics, Rotors
Journal Articles

Prediction of Pressure Rise in a Gas Turbine Exhaust Duct Under Flameout Scenarios While Operating on Hydrogen and Natural Gas Blends

Orlando J. Ugarte, Suresh Menon, Wayne Rattigan, Paul Winstanley, Priyank Saxena, Michel Akiki, Terry Tarver
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041005.
Paper No: GTP-21-1406
https://doi.org/10.1115/1.4052358
Published Online: January 13, 2022
View Article titled, Prediction of Pressure Rise in a Gas Turbine Exhaust Duct Under Flameout Scenarios While Operating on Hydrogen and Natural Gas Blends
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Topics: Ducts, Exhaust systems, Flames, Fuels, Gas turbines, Heat recovery steam generators, Hydrogen, Methane, Pressure, Simulation
Journal Articles

Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion

Hessein Ali, Zachary Stein, Quentin Fouliard, Hossein Ebrahimi, Peter Warren, Seetha Raghavan, Ranajay Ghosh
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041004.
Paper No: GTP-21-1388
https://doi.org/10.1115/1.4052265
Published Online: January 13, 2022
View Article titled, Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion
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Topics: Aluminum alloys, Corrosion, Grain boundaries, Stress, Alloys, Simulation, Stress corrosion cracking, Computer simulation
Journal Articles

Detection of Machinery Failure Signs From Big Time-Series Data Obtained by Flow Simulation of Intermediate-Pressure Steam Turbines

Kazuhiko Komatsu, Hironori Miyazawa, Cheng Yiran, Masayuki Sato, Takashi Furusawa, Satoru Yamamoto, Hiroaki Kobayashi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011007.
Paper No: GTP-21-1364
https://doi.org/10.1115/1.4052142
Published Online: October 13, 2021
View Article titled, Detection of Machinery Failure Signs From Big Time-Series Data Obtained by Flow Simulation of Intermediate-Pressure Steam Turbines
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Topics: Blades, Computer simulation, Failure, Flow (Dynamics), Machinery, Pressure, Rotors, Stators, Steam turbines, Time series
Journal Articles

Modeling the Transport of Fuel Mixture Perturbations and Entropy Waves in the Linearized Framework

Thomas Ludwig Kaiser, Kilian Oberleithner
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111001.
Paper No: GTP-20-1551
https://doi.org/10.1115/1.4051714
Published Online: September 3, 2021
View Article titled, Modeling the Transport of Fuel Mixture Perturbations and Entropy Waves in the Linearized Framework
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Topics: Channel flow, Entropy, Flow (Dynamics), Fluctuations (Physics), Scalars, Viscosity, Waves, Turbulence, Eddies (Fluid dynamics), Modeling
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091021.
Paper No: GTP-20-1814
https://doi.org/10.1115/1.4051101
Published Online: June 17, 2021
View Article titled, An Accelerating Sweep Frequency Excitation Method for the Rotordynamic Coefficients Identification of Annular Gas Seals Based on Computational Fluid Dynamics
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Topics: Computational fluid dynamics, Computer simulation, Damping, Excitation, Rotors, Transients (Dynamics), Whirls, Resolution (Optics), Dampers, Stiffness
Journal Articles

A Comprehensive Heat Transfer Study Inside a Steam Turbine Valve: Experiment, Numerical Simulation, and Simplified Model

Xu Zhang, Hongyi Shao, Wenwu Zhou, Weizhe Wang, Yingzheng Liu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091009.
Paper No: GTP-20-1681
https://doi.org/10.1115/1.4050858
Published Online: May 4, 2021
View Article titled, A Comprehensive Heat Transfer Study Inside a Steam Turbine Valve: Experiment, Numerical Simulation, and Simplified Model
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Topics: Computer simulation, Temperature, Valves, Heat transfer, Steam turbines, Heating, Heat
Journal Articles

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

Christoph Rocky Heinrich, Arnold Kühhorn, Klaus Steff, Nico Petry
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2021, 143(7): 071022.
Paper No: GTP-20-1449
https://doi.org/10.1115/1.4049447
Published Online: March 31, 2021
View Article titled, Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors
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Topics: Acoustics, Cavities, Compressors, Computer simulation, Fluids, Impellers, Pressure, Finite element model, High pressure (Physics), Finite element analysis
Journal Articles

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Robby Weber, Frederik Popig
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061027.
Paper No: GTP-20-1403
https://doi.org/10.1115/1.4049449
Published Online: March 31, 2021
View Article titled, Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning
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Topics: Blades, Damping, Design, Stress, Turbines, Wheels, Flutter (Aerodynamics), Robustness, Computer simulation, Vibration analysis