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Journal Articles

IMPACT OF TEMPERATURE RATIO ON OVERALL COOLING EFFECTIVENESS: EXPERIMENTAL VALIDATION OF A SCALING THEORY

James Cartlidge, Aravin Dass Naidu, Nafiz Chowdhury, Thomas Povey

Publisher: ASME

J. Turbomach.

Paper No: TURBO-24-1271

https://doi.org/10.1115/1.4068460

Published Online: April 16, 2025

... transfer and film cooling Measurement techniques turbine blade and measurement advancements Turbomachinery blading design Journal of Turbomachinery. Received August 20, 2024; Accepted manuscript posted April 16, 2025. doi:10.1115/1.4068460 Copyright © 2025 by ASME; reuse license CC-BY 4.0 IMPACT...

View Articletitled, IMPACT OF TEMPERATURE RATIO ON OVERALL COOLING EFFECTIVENESS: EXPERIMENTAL VALIDATION OF A SCALING THEORY

Topics: Cooling, Temperature, Turbochargers, Coolants, Heat transfer, Heat transfer coefficients, Boundary-value problems, Compressors, Design, Engines

Journal Articles

Impact of Trailing Edge Damage on Nozzle Guide Vane Aerodynamic Performance

Zelimhan Raduev, Dougal Jackson, Nafiz Chowdhury, Thomas Povey

Publisher: ASME

J. Turbomach. October 2025, 147(10): 101007.

Paper No: TURBO-24-1291

https://doi.org/10.1115/1.4067930

Published Online: March 20, 2025

... turbine blade and measurement advancements turbomachinery blading design vortex shedding turbine component erosion In operational engines, transonic high-pressure (HP) nozzle guide vanes (NGVs) are subject to trailing edge (TE) erosion and oxidation damage (or, so-called, burn-back ). Loss...

View Articletitled, Impact of Trailing Edge Damage on Nozzle Guide Vane Aerodynamic Performance

Topics: Computational fluid dynamics, Flow (Dynamics), Geometry, Pressure, Coolants, Damage, Nozzle guide vanes, Mach number, Boundary layers, Vortices

Journal Articles

Unsteadiness in the Secondary Flows of a High-Speed Low-Pressure Turbine Cascade With Unsteady Wakes and Purge Flow

Gustavo Lopes, Sergio Lavagnoli

Publisher: ASME

J. Turbomach. September 2025, 147(9): 091017.

Paper No: TURBO-24-1152

https://doi.org/10.1115/1.4067674

Published Online: February 17, 2025

... for the design of new high-speed low-pressure turbines that account for unsteadiness and turbulence generation. Cleansky 10.13039/501100000922 820883 cavity and leaking flows impact on cavity leaking flows on performance turbine blade and measurement advancements high-speed low-pressure...

View Articletitled, Unsteadiness in the Secondary Flows of a High-Speed Low-Pressure Turbine Cascade With Unsteady Wakes and Purge Flow

Topics: Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Wakes, Turbulence, Fluctuations (Physics), Cavities

Journal Articles

An Active Turbulence Grid for Turbomachinery Flow Experiments

Federico Bertelli, Mizuki Okada, Sergio Lavagnoli, Koen Hillewaert

Publisher: ASME

J. Turbomach. August 2025, 147(8): 081011.

Paper No: TURBO-24-1325

https://doi.org/10.1115/1.4067441

Published Online: January 13, 2025

.... trbulence jet grid turbulence generation turbulence Intensity turbulence length scales measurement techniques turbine blade and measurement advancements 16 09 2024 05 12 2024 05 12 2024 13 01 2025 Contributed by the International Gas Turbine Institute (IGTI) of ASME...

View Articletitled, An Active Turbulence Grid for Turbomachinery Flow Experiments

Topics: Flow (Dynamics), Turbulence, Turbomachinery

Journal Articles

Direct and Refined Characterization of Rebound for Irregularly Shaped, High-Speed Particles Incident on Aerospace Grade Titanium

Brandon J. Weindorf, Alix Ehlers, K. Todd Lowe, Wing Ng, Mark Caddick, Jim Loebig, Matthew Morrison

Publisher: ASME

J. Turbomach. June 2025, 147(6): 061013.

Paper No: TURBO-24-1236

https://doi.org/10.1115/1.4067238

Published Online: December 17, 2024

.... coefficient of restitution rebounding angle particle tracking velocimetry (PTV) uncertainty particle shape stress concentration measurement techniques turbine blade and measurement advancements Copyright © 2024 by ASME and Rolls-Royce plc 2024 American Society of Mechanical Engineers 0889-504X...

View Articletitled, Direct and Refined Characterization of Rebound for Irregularly Shaped, High-Speed Particles Incident on Aerospace Grade Titanium

Topics: Particulate matter, Shapes, Uncertainty

Journal Articles

Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils

Reid A. Berdanier, Margaret R. Nunn, Justin T. Brumberg, Michael D. Barringer, Scott Fishbone, Karen A. Thole

Publisher: ASME

J. Turbomach. July 2025, 147(7): 071009.

Paper No: TURBO-24-1199

https://doi.org/10.1115/1.4067177

Published Online: December 11, 2024

... cooling additive manufacturing measurement techniques turbine blade and measurement advancements Advanced Research Projects Agency - Energy 10.13039/100006133 DE-AR0001053 The prevalence of gas turbines for both power generation and propulsion applications positions turbine...

View Articletitled, Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils

Topics: Sensors, Thermocouples, Turbines, Temperature, Additive manufacturing, Design

Journal Articles

Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes

Zhongran Chi, Longfei Wang

Publisher: ASME

J. Turbomach. June 2025, 147(6): 061012.

Paper No: TURBO-24-1227

https://doi.org/10.1115/1.4067099

Published Online: November 22, 2024

... . 07 08 2024 28 10 2024 29 10 2024 22 11 2024 heat transfer and film cooling turbine blade and measurement advancements turbomachinery blading design Many previous studies have shown that the angle symmetry and diameter uniformity of the downstream two branches...

View Articletitled, Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes

Topics: Cooling, Fractals, Design, Heat transfer, Computational fluid dynamics

Journal Articles

Unique High-Resolution Temperature Mapping of Stage 1 Turbine Vane in a Long-Term Engine Test

Jim Hickey, Joseph Counte, Jaebin Lee, Silvia Araguás Rodríguez, Kieron Rai, Kidon Lee, Younggi Mun, Solon Karagiannopoulos, Giwon Hong, Jörg P. Feist

Publisher: ASME

J. Turbomach. May 2025, 147(5): 051003.

Paper No: TURBO-24-1307

https://doi.org/10.1115/1.4066910

Published Online: November 12, 2024

... 2024 02 10 2024 02 10 2024 12 11 2024 Graphical Abstract Figure photoluminescence temperature sensors thermic temperature quantification industrial gas turbine heat transfer and film cooling measurement techniques turbine blade and measurement advancements...

View Articletitled, Unique High-Resolution Temperature Mapping of Stage 1 Turbine Vane in a Long-Term Engine Test

Topics: Coatings, Engines, Temperature, Turbines, Resolution (Optics), Calibration, Photoluminescence, Coating processes

Journal Articles

A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane

Reid A. Berdanier, Leland Tien, Karen A. Thole

Publisher: ASME

J. Turbomach. May 2025, 147(5): 051008.

Paper No: TURBO-24-1273

https://doi.org/10.1115/1.4066987

Published Online: November 12, 2024

... for publication in the J ournal of T urbomachinery . 20 08 2024 14 10 2024 16 10 2024 12 11 2024 turbine aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling turbine blade...

View Articletitled, A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane

Topics: Additive manufacturing, Airfoils, Design, Geometry, Pressure, Turbines, Flow (Dynamics), Digital engineering, Simulation, Hardware

Journal Articles

Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes

Kelsey E. McCormack, Maria Rozman, Reid A. Berdanier, Karen A. Thole

Publisher: ASME

J. Turbomach. April 2025, 147(4): 041013.

Paper No: TURBO-24-1198

https://doi.org/10.1115/1.4066561

Published Online: November 12, 2024

... Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 28 07 2024 25 08 2024 26 08 2024 12 11 2024 heat transfer and film cooling turbine blade and measurement advancements National Aeronautics...

View Articletitled, Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes

Topics: Additive manufacturing, Blades, Cooling, Design, Electrical discharge machining, Film cooling, Flow (Dynamics), Manufacturing, Surface roughness, Turbine blades

Journal Articles

Impact of the Wall-Parallel Length Scale of Roughness on the Development of Turbulent Boundary Layers in Turbines

Abigail M. Berhane, John P. Longley

Publisher: ASME

J. Turbomach. February 2025, 147(2): 021011.

Paper No: TURBO-24-1185

https://doi.org/10.1115/1.4066579

Published Online: October 21, 2024

... Corresponding author. Emails: jpl@eng.cam.ac.uk ; jpl1000@cam.ac.uk 24 07 2024 23 08 2024 23 08 2024 21 10 2024 boundary layer development measurement techniques surface roughnesss turbine blade and measurement advancements Department for Business, Innovation...

View Articletitled, Impact of the Wall-Parallel Length Scale of Roughness on the Development of Turbulent Boundary Layers in Turbines

Topics: Surface roughness, Sands, Boundary layers

Journal Articles

Investigation of the Discharge Coefficient for Laidback Fan-Shaped Holes on Turbine Blades Under Internal Crossflow Condition

Haoyang Liu, Qiang Du, Qingzong Xu, Hongye Li, Guangyao Xu

Publisher: ASME

J. Turbomach. January 2025, 147(1): 011005.

Paper No: TURBO-24-1087

https://doi.org/10.1115/1.4066145

Published Online: September 3, 2024

... 23 07 2024 03 09 2024 Graphical Abstract Figure computational fluid dynamics (CFD) heat transfer and film cooling turbine blade and measurement advancements National Natural Science Foundation of China 10.13039/501100001809 52106064 Film cooling...

View Articletitled, Investigation of the Discharge Coefficient for Laidback Fan-Shaped Holes on Turbine Blades Under Internal Crossflow Condition

Topics: Blades, Coolants, Discharge coefficient, Flow (Dynamics), Pressure, Suction, Turbine blades, Reynolds number

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

Publisher: ASME

J. Turbomach. November 2024, 146(11): 111010.

Paper No: TURBO-22-1271

https://doi.org/10.1115/1.4056390

Published Online: June 27, 2024

... 25 08 2022 18 11 2022 21 11 2022 27 06 2024 heat transfer and film cooling turbine blade and measurement advancements turbomachinery blading design U.S. Department of Energy 10.13039/100000015 DE-FE0031760 This paper describes an experimental program...

View Articletitled, Evaluation of Adjoint-Optimized Holes—Part I Baseline Performance

Topics: Coolants, Cooling, Design, Discharge coefficient, Engines, Film cooling, Flow (Dynamics), Metals, Optimization

Journal Articles

Strategies for High-Accuracy Measurements of Stage Efficiency for a Cooled Turbine

Maria Rozman, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole

Publisher: ASME

J. Turbomach. October 2024, 146(10): 101009.

Paper No: TURBO-23-1338

https://doi.org/10.1115/1.4065374

Published Online: May 8, 2024

... dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines measurement techniques turbine blade and measurement advancements References [1] Bunker , R. S. , 2017 , “ Evolution of Turbine Cooling ,” Proceedings of ASME Turbo Expo 2017...

View Articletitled, Strategies for High-Accuracy Measurements of Stage Efficiency for a Cooled Turbine

Topics: Flow (Dynamics), Pressure, Temperature, Turbines, Uncertainty, Instrumentation, Cooling, Annulus

Journal Articles

Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High-Speed Turbine

Bogdan C. Cernat, Sergio Lavagnoli

Publisher: ASME

J. Turbomach. September 2024, 146(9): 091008.

Paper No: TURBO-20-1377

https://doi.org/10.1115/1.4050443

Published Online: April 8, 2024

... cooling measurement techniques turbine blade and measurement advancements The high-pressure turbine (HPT) stage of modern aeroengines is characterized by time-varying aerodynamic and heat transfer phenomena, which impact the efficiency and the lifespan of the machine. High-enthalpy, high...

View Articletitled, Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High-Speed Turbine

Topics: Blades, Flow (Dynamics), Heat transfer, Pressure, Rotors, Turbines, Heat flux, Design, Vortices

Journal Articles

Purge–Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring

Alex W. Mesny, Oliver J. Pountney, James A. Scobie, Yan Sheng Li, Carl M. Sangan

Publisher: ASME

J. Turbomach. September 2024, 146(9): 091007.

Paper No: TURBO-23-1332

https://doi.org/10.1115/1.4064843

Published Online: April 5, 2024

... Abstract Figure axial turbine secondary flows purge volumetric velocimetry endwall contouring cavity and leaking flows fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines impact on cavity leaking flows on performance turbine blade...

View Articletitled, Purge–Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring

Topics: Flow (Dynamics), Rotors, Turbines, Blades, Vortices

Journal Articles

A New Multi-Stage Turbine Stator Design for Improved Performance Retention

Heather K. Jameson, John P. Longley

Publisher: ASME

J. Turbomach. June 2024, 146(6): 061006.

Paper No: TURBO-23-1269

https://doi.org/10.1115/1.4064285

Published Online: January 29, 2024

... aerodynamic design turbine blade and measurement advancements turbomachinery blading design Copyright © 2024 by ASME; reuse license CC-BY 4.0 2024 American Society of Mechanical Engineers 0889-504X/2024/146(6)/061006/14 ...

View Articletitled, A New Multi-Stage Turbine Stator Design for Improved Performance Retention

Topics: Flow (Dynamics), Rotors, Stators, Vortices, Leakage flows, Leakage, Separation (Technology), Pressure, Vorticity

Journal Articles

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Hidekazu Kodama, Ken-ichi Funazaki

Publisher: ASME

J. Turbomach. May 2024, 146(5): 051013.

Paper No: TURBO-23-1274

https://doi.org/10.1115/1.4064318

Published Online: January 16, 2024

... low-pressure turbine low-speed linear cascade test profile loss wake interaction loss control volume analysis boundary layer development fan compressor and turbine aerodynamic design turbine blade and measurement advancements For low-pressure turbines of a high bypass ratio turbofan...

View Articletitled, Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Reynolds number, Suction, Turbines, Wakes, Unsteady flow, Boundary layers

Journal Articles

A Probabilistic Approach to Turbine Uncertainty

Lakshya Bhatnagar, Guillermo Paniagua, Eugene Clemens, Matthew Bloxham

Publisher: ASME

J. Turbomach. April 2024, 146(4): 041009.

Paper No: TURBO-23-1215

https://doi.org/10.1115/1.4064187

Published Online: December 21, 2023

... of gas turbine engines measurement techniques turbine blade and measurement advancements Small core turbines in aero-engines enable higher bypass ratios, conducive to higher propulsive efficiency. In power generation, smaller engine cores provide compact units with low starting times enabling...

View Articletitled, A Probabilistic Approach to Turbine Uncertainty

Topics: Turbines, Uncertainty

Journal Articles

Transient Tip Clearance Prediction Model Considering Transient Radial Temperature Distribution of Discs in a Gas Turbine Engine

Jie Wei, Heli Yang, Pengbo Zheng, Baotong Wang, Xinqian Zheng

Publisher: ASME

J. Turbomach. April 2024, 146(4): 041012.

Paper No: TURBO-23-1264

https://doi.org/10.1115/1.4064222

Published Online: December 21, 2023

... Foundation of China 10.13039/501100004750 2019-I-0021-0020 Fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines turbine blade and measurement advancements 22 09 2023 27 11 2023 27 11 2023 21 12 2023 Contributed...

View Articletitled, Transient Tip Clearance Prediction Model Considering Transient Radial Temperature Distribution of Discs in a Gas Turbine Engine

Topics: Blades, Clearances (Engineering), Deformation, Disks, Temperature, Transients (Dynamics), Heat transfer, Thermal deformation, Gas turbines, Temperature distribution

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IMPACT OF TEMPERATURE RATIO ON OVERALL COOLING EFFECTIVENESS: EXPERIMENTAL VALIDATION OF A SCALING THEORY

Impact of Trailing Edge Damage on Nozzle Guide Vane Aerodynamic Performance

Unsteadiness in the Secondary Flows of a High-Speed Low-Pressure Turbine Cascade With Unsteady Wakes and Purge Flow

An Active Turbulence Grid for Turbomachinery Flow Experiments

Direct and Refined Characterization of Rebound for Irregularly Shaped, High-Speed Particles Incident on Aerospace Grade Titanium

Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils

Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes

Unique High-Resolution Temperature Mapping of Stage 1 Turbine Vane in a Long-Term Engine Test

A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane

Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes

Impact of the Wall-Parallel Length Scale of Roughness on the Development of Turbulent Boundary Layers in Turbines

Investigation of the Discharge Coefficient for Laidback Fan-Shaped Holes on Turbine Blades Under Internal Crossflow Condition

Evaluation of Adjoint-Optimized Holes—Part I Baseline Performance

Strategies for High-Accuracy Measurements of Stage Efficiency for a Cooled Turbine

Experimental Investigation of Tip Design Effects on the Unsteady Aerodynamics and Heat Transfer of a High-Speed Turbine

Purge–Mainstream Interactions in a Turbine Stage With Rotor Endwall Contouring

A New Multi-Stage Turbine Stator Design for Improved Performance Retention

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

A Probabilistic Approach to Turbine Uncertainty

Transient Tip Clearance Prediction Model Considering Transient Radial Temperature Distribution of Discs in a Gas Turbine Engine

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