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Journal Articles

Inlet Preswirl Effects on the Leakage and Dynamic Characteristics of a Labyrinth Seal: Experimental Results and Computational Fluid Dynamics Analysis

Accepted Manuscript
Tianhao Wang, Wensong Xue, Zihan Zhang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1824
https://doi.org/10.1115/1.4068428
Published Online: April 11, 2025
View Articletitled, Inlet Preswirl Effects on the Leakage and Dynamic Characteristics of a Labyrinth Seal: Experimental Results and Computational Fluid Dynamics Analysis
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Topics: Computational fluid dynamics, Leakage, Rotors, Damping, Pressure, Clearances (Engineering), Errors, Flow (Dynamics), Instrumentation, Measurement uncertainty
Journal Articles

Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors: Optical Diagnostics in sCO 2 and Experimental Evaluation With Particle Image Velocimetry

Erik Fernandez, Emmanuel Gabriel-Ohanu, Ladislav Vesely, Jayanta Kapat, Ashvin Hosangadi, Paul Cooper
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2025, 147(9): 091021.
Paper No: GTP-24-1663
https://doi.org/10.1115/1.4066821
Published Online: April 10, 2025
View Articletitled, Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors: Optical Diagnostics in sCO 2 and Experimental Evaluation With Particle Image Velocimetry
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Topics: Blades, Flow (Dynamics), Particle image velocimetry, Compressors, Cascades (Fluid dynamics), Particulate matter, Temperature, Lasers
Journal Articles

Identification and Dynamics of Coherent Structures In Double-Stage Swirling Flows Utilizing the Unsteady Reynolds Averaged Navier-Stokes and Large Eddy Simulation Methods

Accepted Manuscript
Chang Liu, Qixuan Dong, Canlong Lai, Jingyi Zhao, Jiayu Lin, Minghou Liu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1595
https://doi.org/10.1115/1.4068345
Published Online: April 2, 2025
View Articletitled, Identification and Dynamics of Coherent Structures In Double-Stage Swirling Flows Utilizing the Unsteady Reynolds Averaged Navier-Stokes and Large Eddy Simulation Methods
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Topics: Dynamics (Mechanics), Large eddy simulation, Swirling flow, Vortices, Combustion chambers, Fast Fourier transforms, Flow (Dynamics), Principal component analysis, Renormalization (Physics), Shear (Mechanics)
Journal Articles

High-Temperature Industrial-Scale CO 2 Heat Pumps: Thermodynamic Analysis and Pilot-Scale Testing

Timothy J. Held, Jason Miller, Jason Mallinak, Luke Magyar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101010.
Paper No: GTP-24-1703
https://doi.org/10.1115/1.4068029
Published Online: March 21, 2025
View Articletitled, High-Temperature Industrial-Scale CO 2 Heat Pumps: Thermodynamic Analysis and Pilot-Scale Testing
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Topics: Carbon dioxide, Compressors, Cycles, Fluids, Heat, Heat pumps, High temperature, Pressure, Temperature, Steam
Journal Articles

Multifidelity Optimization of Turbulence in a Gas Turbine Combustor Simulator

Jennifer A. Miklaszewski, Masha B. Folk, Peter E. Hamlington
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101012.
Paper No: GTP-24-1748
https://doi.org/10.1115/1.4068012
Published Online: March 21, 2025
View Articletitled, Multifidelity Optimization of Turbulence in a Gas Turbine Combustor Simulator
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Topics: Combustion chambers, Optimization, Pressure, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Design, Jets, Flow (Dynamics), Large eddy simulation
Journal Articles

Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals

Abdullah M. Abbas, Michael J. Pekris, John W. Chew
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101015.
Paper No: GTP-24-1836
https://doi.org/10.1115/1.4067863
Published Online: March 21, 2025
View Articletitled, Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals
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Topics: Boundary-value problems, Design, Flow (Dynamics), Geometry, Porous materials, Computational fluid dynamics, Experimental design, Aerodynamics, Fluid-dynamic forces, Gas turbines
Journal Articles

The Hybrid Pathway to Flexible Power Turbines: Part IV, Automated Construction of Mesh Derived Thermal Network Models for Fast Full-Machine Thermal Analysis

Mark Baker, Budimir Rosic
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101006.
Paper No: GTP-25-1026
https://doi.org/10.1115/1.4067992
Published Online: March 18, 2025
View Articletitled, The Hybrid Pathway to Flexible Power Turbines: Part IV, Automated Construction of Mesh Derived Thermal Network Models for Fast Full-Machine Thermal Analysis
Open the PDF for The Hybrid Pathway to Flexible Power Turbines: Part IV, Automated Construction of Mesh Derived Thermal Network Models for Fast Full-Machine Thermal Analysis in another window
Topics: Construction, Flow (Dynamics), Fluids, Geometry, Heat transfer, Machinery, Network models, Radiation (Physics), Simulation, Turbines
Journal Articles

Assessment of a Liquid Hydrogen Conditioning System for Retrofitting on Kerosene Designed Turbofans

Pavlos Rompokos, Vasileios Kyritsis, Christos Mourouzidis, Ioannis Roumeliotis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101003.
Paper No: GTP-24-1679
https://doi.org/10.1115/1.4067915
Published Online: March 18, 2025
View Articletitled, Assessment of a Liquid Hydrogen Conditioning System for Retrofitting on Kerosene Designed Turbofans
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Topics: Combustion, Engines, Flow (Dynamics), Fuels, Hydrogen, Temperature, Tertiary petroleum recovery, Design, Modeling, Turbines
Journal Articles

Improved Engine Data Acquisition System and Interface to Enable Experimentation With Emerging Alternative Fuels in a Spark-Ignited Cooperative Fuel Research Engine

Jason Loprete, Christos Dimosthenous, Dimitris Assanis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071020.
Paper No: GTP-24-1810
https://doi.org/10.1115/1.4067603
Published Online: February 26, 2025
View Articletitled, Improved Engine Data Acquisition System and Interface to Enable Experimentation With Emerging Alternative Fuels in a Spark-Ignited Cooperative Fuel Research Engine
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Topics: Cylinders, Data acquisition systems, Engines, Flow (Dynamics), Fuels, Sensors, Pressure, Signals
Includes: Supplementary data
Journal Articles

Implementation of Flow Control Methods for Design of Connecting Duct of Annular Sector Cascade Tunnel

Hardikkumar Bhavsar, Chetan S. Mistry
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081017.
Paper No: GTP-24-1849
https://doi.org/10.1115/1.4067707
Published Online: February 26, 2025
View Articletitled, Implementation of Flow Control Methods for Design of Connecting Duct of Annular Sector Cascade Tunnel
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Topics: Flow (Dynamics), Inlet guide vanes, Cascades (Fluid dynamics), Ducts
Journal Articles

On the Mechanism of Rotating Stall in a Boundary Layer Ingesting Fan

Hefang Deng, Songan Zhang, Kailong Xia, Xiaoqing Qiang, Mingmin Zhu, Jinfang Teng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2025, 147(9): 091018.
Paper No: GTP-24-1670
https://doi.org/10.1115/1.4067737
Published Online: February 26, 2025
View Articletitled, On the Mechanism of Rotating Stall in a Boundary Layer Ingesting Fan
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Topics: Flow (Dynamics), Inflow, Pressure, Rotors, Boundary layers, Blades, Stall inception, Annulus, Simulation
Journal Articles

Effects of Lattice Orientation Angle on TPMS-Based Transpiration Cooling

Juchan Son, Mohsen Brouman, Yeongmin Pyo, Patrick Richer, Bertrand Jodoin, Zekai Hong
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2025, 147(9): 091013.
Paper No: GTP-24-1552
https://doi.org/10.1115/1.4067378
Published Online: January 29, 2025
View Articletitled, Effects of Lattice Orientation Angle on TPMS-Based Transpiration Cooling
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Topics: Cooling, Diamonds, Film cooling, Flow (Dynamics), Transpiration, Triply periodic minimal surfaces, Pressure, Coolants, Geometry
Journal Articles

Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA

Christoph Brandstetter, Alexandra P. Schneider, Anne-Lise Fiquet, Benoit Paoletti, Xavier Ottavy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081010.
Paper No: GTP-24-1707
https://doi.org/10.1115/1.4067221
Published Online: January 20, 2025
View Articletitled, Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA
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Topics: Blades, Vibration, Clearances (Engineering), Rotors, Manufacturing, Flow (Dynamics)
Journal Articles

Experimental Study of the Real Gas Effects of CO 2 on the Aerodynamic Performance Characteristics of a 1.5-Stage Axial Compressor

Jeongseek Kang, Alexander Vorobiev, Joshua D. Cameron, Scott C. Morris, Mark G. Turner, Kyle Sedlacko, Jason D. Miller, Timothy J. Held
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081012.
Paper No: GTP-24-1719
https://doi.org/10.1115/1.4067267
Published Online: January 20, 2025
View Articletitled, Experimental Study of the Real Gas Effects of CO 2 on the Aerodynamic Performance Characteristics of a 1.5-Stage Axial Compressor
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Topics: Carbon dioxide, Compressors, Pressure, Temperature, Reynolds number, Flow (Dynamics), Speed of sound
Journal Articles

Wave Reformer Channel Shape Design for Enhanced Hydrogen Pyrolysis

G. Madiot, S. Tüchler, P. Akbari, C. D. Copeland
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071010.
Paper No: GTP-24-1696
https://doi.org/10.1115/1.4066887
Published Online: December 23, 2024
View Articletitled, Wave Reformer Channel Shape Design for Enhanced Hydrogen Pyrolysis
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Topics: Design, Hydrogen, Pressure, Pyrolysis, Rotors, Shock (Mechanics), Shock waves, Temperature, Waves, Flow (Dynamics)
Journal Articles

Integrated System Modal and Mistuning Identification for Integrally Bladed Rotors

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. July 2025, 147(7): 071008.
Paper No: GTP-24-1689
https://doi.org/10.1115/1.4066890
Published Online: December 23, 2024
View Articletitled, Integrated System Modal and Mistuning Identification for Integrally Bladed Rotors
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Topics: Algorithms, Blades, Damping, Errors, Excitation, Finite element model, Integrated systems, Mode shapes, Rotors, Stability
Journal Articles

Emissions and Flame Stability Assessment of Hydrogen Addition and Air Dilution in a Microgas Turbine Combustor Using Zero-Dimensional/One-Dimensional Modeling by Chemical Reactor Network

Farshid Yousefzad Farrokhi, Alessandro Piscopo, Alessio Pappa, Alessandro Parente, Ward De Paepe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071002.
Paper No: GTP-24-1636
https://doi.org/10.1115/1.4066996
Published Online: December 23, 2024
View Articletitled, Emissions and Flame Stability Assessment of Hydrogen Addition and Air Dilution in a Microgas Turbine Combustor Using Zero-Dimensional/One-Dimensional Modeling by Chemical Reactor Network
Open the PDF for Emissions and Flame Stability Assessment of Hydrogen Addition and Air Dilution in a Microgas Turbine Combustor Using Zero-Dimensional/One-Dimensional Modeling by Chemical Reactor Network in another window
Topics: Combustion, Combustion chambers, Computational fluid dynamics, Emissions, Exhaust gas recirculation, Flames, Flow (Dynamics), Fuels, Hydrogen, Modeling
Journal Articles

Transient Analysis of Flow Unsteadiness and Machine Instabilities in a Centrifugal Compressor at Surge and Second Quadrant Operation

Alberto Serena, Lars E. Bakken
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071003.
Paper No: GTP-24-1645
https://doi.org/10.1115/1.4066988
Published Online: December 23, 2024
View Articletitled, Transient Analysis of Flow Unsteadiness and Machine Instabilities in a Centrifugal Compressor at Surge and Second Quadrant Operation
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Topics: Compressors, Flow (Dynamics), Instrumentation, Machinery, Pressure, Surges, Transients (Dynamics), Oscillations, Time-frequency analysis, Signals
Journal Articles

Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?

Alberto Baroni, Luca Romani, Francesco Balduzzi, Lorenzo Toni, Angelo Grimaldi, Elisabetta Belardini, Davide Biliotti, Alessandro Bianchini, Giovanni Ferrara
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081008.
Paper No: GTP-24-1711
https://doi.org/10.1115/1.4066991
Published Online: December 23, 2024
View Articletitled, Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right?
Open the PDF for Analysis of the Flow-Field Distortions Induced by Pneumatic Pressure Probes in Test Bench Experiments on Centrifugal Compressors: Are We Testing Right? in another window
Topics: Diffusers, Flow (Dynamics), Pressure, Probes, Compressors
Journal Articles

On Hysteresis in a Variable Pitch Fan Transitioning to Reverse Thrust Mode and Back

Dimitrios Vitlaris, David J. Rajendran, Richard Tunstall, John Whurr, Vassilios Pachidis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071007.
Paper No: GTP-24-1684
https://doi.org/10.1115/1.4067018
Published Online: December 23, 2024
View Articletitled, On Hysteresis in a Variable Pitch Fan Transitioning to Reverse Thrust Mode and Back
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Topics: Aircraft, Blades, Engines, Flow (Dynamics), Thrust, Rotation