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Journal Articles

IMPACT OF THE WALL-PARALLEL LENGTH SCALE OF ROUGHNESS ON THE DEVELOPMENT OF TURBULENT BOUNDARY LAYERS IN TURBINES

Accepted Manuscript
Abigail M. Berhane, John P. Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1185
https://doi.org/10.1115/1.4066579
Published Online: September 18, 2024
View Article titled, IMPACT OF THE WALL-PARALLEL LENGTH SCALE OF ROUGHNESS ON THE DEVELOPMENT OF TURBULENT BOUNDARY LAYERS IN TURBINES
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Topics: Boundary layer turbulence, Surface roughness, Turbine blades, Turbines, Turbochargers, Sands, Separation (Technology), Additive manufacturing, Boundary layers, Compressors
Journal Articles

Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine

Accepted Manuscript
Chad Schaeffer, Michael Barringer, Stephen Lynch, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1190
https://doi.org/10.1115/1.4066560
Published Online: September 13, 2024
View Article titled, Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine
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Topics: Computational fluid dynamics, Flow (Dynamics), Gas turbines, High pressure (Physics), Turbines, Turbochargers, Combustion chambers, Temperature, Cooling, Design
Journal Articles

An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor

Accepted Manuscript
Yujun Leng, Jhansi Reddy Dodda, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1220
https://doi.org/10.1115/1.4066475
Published Online: September 10, 2024
View Article titled, An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor
Open the PDF for An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor in another window
Topics: Bladed disks, Compressors, Rotors, Turbochargers, Blades, Stators, Excitation, Damping, Engines, Flow (Dynamics)
Journal Articles

An Analytical Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor

Accepted Manuscript
Yujun Leng, Jhansi Reddy Dodda, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1219
https://doi.org/10.1115/1.4066452
Published Online: September 6, 2024
View Article titled, An Analytical Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor
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Topics: Bladed disks, Compressors, Rotors, Turbochargers, Blades, Stators, Damping, Excitation, Design, Engines
Journal Articles

On the Development of High-Lift, High-Work Low-Pressure Turbines

John P. Clark, Guillermo Paniagua, Beni Cukurel
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121011.
Paper No: TURBO-23-1298
https://doi.org/10.1115/1.4066004
Published Online: August 6, 2024
View Article titled, On the Development of High-Lift, High-Work Low-Pressure Turbines
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Topics: Airfoils, Blades, Cascades (Fluid dynamics), Design, Flow (Dynamics), Flow control, Pressure, Turbines, Reynolds number, Acoustics
Journal Articles

Evaluation of Adjoint-Optimized Holes—Part I Baseline Performance

Daniel Gutierrez, Christopher Yoon, Michael T. Furgeson, Emma M. Veley, David G. Bogard, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111010.
Paper No: TURBO-22-1271
https://doi.org/10.1115/1.4056390
Published Online: June 27, 2024
View Article titled, Evaluation of Adjoint-Optimized Holes—Part I Baseline Performance
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Topics: Coolants, Cooling, Design, Discharge coefficient, Engines, Film cooling, Flow (Dynamics), Metals, Optimization
Journal Articles

Compressor Water Extraction

Judith R. Farman, Ivor J. Day, Tony M. J. Dickens, James V. Taylor, Zahid Hussain
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061013.
Paper No: TURBO-23-1260
https://doi.org/10.1115/1.4064419
Published Online: January 29, 2024
View Article titled, Compressor Water Extraction
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Topics: Compressors, Rotors, Stators, Water, Pressure, Flow (Dynamics), Design, Engines, Computational fluid dynamics
Journal Articles

Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine

Apostolos Spanelis, Paul A. Denman, Ian Mariah, A. Duncan Walker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031013.
Paper No: TURBO-23-1181
https://doi.org/10.1115/1.4064084
Published Online: December 14, 2023
View Article titled, Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine
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Topics: Compressors, Design, Ducts, Engines, Flow (Dynamics), Pressure, Rotors, Struts (Engineering), Turbofans, Aerodynamics
Journal Articles

Understanding Thermal Unsteadiness in Engine Representative Flows and Improved Methodologies for Derived Heat Transfer Calculations Using Thin-Film Gauges

Deepanshu Singh, Paul F. Beard, David Cardwell, Kam S. Chana
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021009.
Paper No: TURBO-23-1170
https://doi.org/10.1115/1.4063735
Published Online: November 13, 2023
View Article titled, Understanding Thermal Unsteadiness in Engine Representative Flows and Improved Methodologies for Derived Heat Transfer Calculations Using Thin-Film Gauges
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Topics: Gages, Heat transfer, Temperature, Thin films, Wall temperature, Engines, Heat flux, Flow (Dynamics), Nozzle guide vanes, Rotors
Journal Articles

Quantifying Part-to-Part Flow Variations and Cooling Effectiveness in Engine-Run Blades

Kelsey E. McCormack, Nicholas L. Gailey, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011002.
Paper No: TURBO-23-1209
https://doi.org/10.1115/1.4063518
Published Online: October 19, 2023
View Article titled, Quantifying Part-to-Part Flow Variations and Cooling Effectiveness in Engine-Run Blades
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Topics: Blades, Cooling, Flow (Dynamics), Engines, Temperature
Journal Articles

Scaling Overall Effectiveness in Low-Temperature Experiments

Carol E. Bryant, James L. Rutledge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121004.
Paper No: TURBO-23-1146
https://doi.org/10.1115/1.4063412
Published Online: October 19, 2023
View Article titled, Scaling Overall Effectiveness in Low-Temperature Experiments
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Topics: Carbon dioxide, Coolants, Engines, Temperature, Low temperature, Film cooling, Cooling, Fluids
Journal Articles

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111003.
Paper No: TURBO-22-1267
https://doi.org/10.1115/1.4063246
Published Online: September 14, 2023
View Article titled, Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine
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Topics: Annulus, Blades, Cooling, Cylinders, Gas turbines, Heat flux, Temperature, Transients (Dynamics), Ventilation, Computational fluid dynamics
Journal Articles

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry—Part I: Describing the Flow

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101005.
Paper No: TURBO-22-1251
https://doi.org/10.1115/1.4056439
Published Online: August 2, 2023
View Article titled, Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry—Part I: Describing the Flow
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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Turbines, Vortices, Vorticity, Engines, Geometry
Journal Articles

Body Force Modeling of the Fan Stage of a Windmilling Turbofan

Massyl Lagha, Guillaume Dufour
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101003.
Paper No: TURBO-21-1086
https://doi.org/10.1115/1.4062837
Published Online: July 28, 2023
View Article titled, Body Force Modeling of the Fan Stage of a Windmilling Turbofan
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Topics: Blades, Computational fluid dynamics, Engines, Flow (Dynamics), Modeling, Pressure, Rotors, Simulation, Stators, Turbofans
Journal Articles

Novel Strategy for Thermal Evaluation of Film-Cooled Blades Using Thermographic Phosphors at Simulated Engine Conditions

Wenwu Zhou, Hongyi Shao, Xu Zhang, Di Peng, Yingzheng Liu, Yang Li, Weihua Yang, Xiaofeng Zhao
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091009.
Paper No: TURBO-22-1328
https://doi.org/10.1115/1.4062611
Published Online: June 12, 2023
View Article titled, Novel Strategy for Thermal Evaluation of Film-Cooled Blades Using Thermographic Phosphors at Simulated Engine Conditions
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Topics: Blades, Coating processes, Coatings, Engines, Phosphors, Temperature, Thermal insulation, Calibration, Temperature measurement, Cooling
Journal Articles

Impact of Temperature Ratio on Overall Cooling Performance: Low-Order-Model-Based Analysis of Experiment Design

Aravin Dass Naidu, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091006.
Paper No: TURBO-22-1173
https://doi.org/10.1115/1.4062279
Published Online: June 9, 2023
View Article titled, Impact of Temperature Ratio on Overall Cooling Performance: Low-Order-Model-Based Analysis of Experiment Design
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Topics: Coolants, Cooling, Temperature, Flat plates, Engines
Journal Articles

Harmonic Method for Simulating Unsteady Multispool Interactions

Feng Wang, Luca di Mare
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091005.
Paper No: TURBO-22-1135
https://doi.org/10.1115/1.4062242
Published Online: May 30, 2023
View Article titled, Harmonic Method for Simulating Unsteady Multispool Interactions
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Topics: Blades, Flow (Dynamics), Simulation, Temperature, Turbines, Temperature distribution, Pressure, Waves, Computational fluid dynamics, Engines
Journal Articles

The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines

Noraiz Mushtaq, Giacomo Persico, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081015.
Paper No: TURBO-22-1161
https://doi.org/10.1115/1.4062277
Published Online: May 22, 2023
View Article titled, The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines
Open the PDF for The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines in another window
Topics: Blades, Design, Flow (Dynamics), Rotors, Shape optimization, Stators, Turbines, Optimization, Explosions, Mach number
Journal Articles

Manufacturing a Ceramic Turbine Rotor for a Compact Jet Engine

Bryan T. Leicht, Brian T. Bohan, Fred Schauer, Ryan Kemnitz, Lisa M. Rueschhoff, Benjamin Lam, James W. Kemp, William Costakis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081009.
Paper No: TURBO-22-1099
https://doi.org/10.1115/1.4062124
Published Online: April 10, 2023
View Article titled, Manufacturing a Ceramic Turbine Rotor for a Compact Jet Engine
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Topics: Ceramics, Manufacturing, Rotors, Temperature, Turbines, Design, Stress, Engines, Finite element analysis
Journal Articles

Experimental Study of Impact of In-Service Deterioration on Aerodynamic Performance of High-Pressure Nozzle Guide Vanes

Mathias Michaud, Dougal Jackson, Frédéric Goenaga, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061017.
Paper No: TURBO-21-1259
https://doi.org/10.1115/1.4056774
Published Online: March 2, 2023
View Article titled, Experimental Study of Impact of In-Service Deterioration on Aerodynamic Performance of High-Pressure Nozzle Guide Vanes
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Topics: Coolants, Film cooling, Flow (Dynamics), Pressure, Surface roughness, Kinetic energy, Nozzle guide vanes, Engines, Spallation (Nuclear physics), High pressure (Physics)