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Keywords: Turbine aerodynamic design
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Journal Articles

An Aerodynamic Investigation of a High-Pressure Turbine Using Rotor Casing Static Pressure Measurements at Engine Representative Conditions With Different Tip Designs, Tip Gaps, and Inlet Temperature Profiles

Deepanshu Singh, Paul F. Beard, David Cardwell, Vianney Staelens, Pratik Bahulekar, Mark Stokes, Simon Bather, Kam S. Chana
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061017.
Paper No: TURBO-24-1267
https://doi.org/10.1115/1.4066965
Published Online: January 13, 2025
... = angular velocity computational fluid dynamics (CFD) turbine aerodynamic design experimental turbine unsteady measurements References [1] Denton , J. D. , 1993 , “ Loss Mechanisms in Turbomachines ,” Proceedings of the ASME 1993 International Gas Turbine...
View Article titled, An Aerodynamic Investigation of a High-Pressure Turbine Using Rotor Casing Static Pressure Measurements at Engine Representative Conditions With Different Tip Designs, Tip Gaps, and Inlet Temperature Profiles
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Journal Articles

Dissipation in Skewed Boundary Layers

Robert Peacock, Masha Folk, Graham Pullan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071007.
Paper No: TURBO-24-1203
https://doi.org/10.1115/1.4067126
Published Online: December 20, 2024
... for publication in the J ournal of T urbomachinery . 29 07 2024 02 11 2024 04 11 2024 20 12 2024 Graphical Abstract Figure boundary layer development losses turbine aerodynamic design fan compressor and turbine aerodynamic design Engineering and Physical...
View Article titled, Dissipation in Skewed Boundary Layers
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Topics: Boundary layers, Energy dissipation, Turbulence
Journal Articles

Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061003.
Paper No: TURBO-24-1168
https://doi.org/10.1115/1.4067034
Published Online: November 22, 2024
... urbomachinery . This work is in part a work of the U.S. Government. ASME disclaims all interest in the U.S. Government's contributions. 17 07 2024 22 10 2024 22 10 2024 22 11 2024 computational fluid dynamics turbine aerodynamic design Ames Research Center...
View Article titled, Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines
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Topics: Blades, Flow (Dynamics), Pressure, Rotors, Turbines, Design, Geometry, Vortices
Journal Articles

Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061004.
Paper No: TURBO-24-1169
https://doi.org/10.1115/1.4067028
Published Online: November 22, 2024
... computational fluid dynamics turbine aerodynamic design The drive to reduce aircraft fuel consumption for environmental and economic reasons has led to a world-wide push for improved gas turbine efficiency. While great strides have been made in the improvement of thermal efficiency through high...
View Article titled, Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines
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Topics: Blades, Clearances (Engineering), Design, Flow (Dynamics), Geometry, Heat transfer, Optimization, Rotors, Turbines, Stress
Journal Articles

Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations

Greta Raina, Yannick Bousquet, David Luquet, Eric Lippinois, Nicolas Binder
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061006.
Paper No: TURBO-24-1184
https://doi.org/10.1115/1.4067033
Published Online: November 22, 2024
.../501100003032 2022/0571 computational fluid dynamics (CFD) turbine aerodynamic design turbomachinery blading design entropy loss loss audit vortices, wakes Graphical Abstract Figure 24 07 2024 18 10 2024 18 10 2024 22 11 2024 Contributed by International...
View Article titled, Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations
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Topics: Boundary layers, Ducts, Entropy, Flow (Dynamics), Turbines, Vortices, Wakes, Nozzle guide vanes, Simulation, Cascades (Fluid dynamics)
Journal Articles

A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane

Reid A. Berdanier, Leland Tien, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051008.
Paper No: TURBO-24-1273
https://doi.org/10.1115/1.4066987
Published Online: November 12, 2024
... aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling turbine blade and measurement advancements turbomachinery blading design 20 08 2024 14 10 2024 16 10 2024 12 11 2024...
View Article titled, A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane
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Topics: Additive manufacturing, Airfoils, Design, Geometry, Pressure, Turbines, Flow (Dynamics), Digital engineering, Simulation, Hardware
Journal Articles

Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field for a Transonic High-Pressure Turbine Stage

Yoji Okita, Junichi Kazawa, Takashi Yamane, Nozomi Tanaka, Kazutaka Fuchigami, Hiroki Sato, Masaaki Hamabe, Haruyuki Tanimitsu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121007.
Paper No: TURBO-23-1183
https://doi.org/10.1115/1.4065907
Published Online: July 23, 2024
...@jaxa.jp 1 Corresponding author. Email: okita.yoji@jaxa.jp Email: tanimitsu5942@ihi-g.com Email: hamabe7888@ihi-g.com Email: sato3496@ihi-g.com Email: fuchigami3515@ihi-g.com cavity and leaking flows computational fluid dynamics (CFD) turbine aerodynamic design impact...
View Article titled, Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field for a Transonic High-Pressure Turbine Stage
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Topics: Annulus, Coolants, Design, Flow (Dynamics), Rotors, Turbines, Blades, Vortices, Pressure, Temperature
Journal Articles

Pragmatic Prediction Model of Droplet Trajectory in a Turbine Cascade

Ippei Oshima, Mikito Furuichi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121003.
Paper No: TURBO-24-1018
https://doi.org/10.1115/1.4065785
Published Online: July 15, 2024
... turbine blade droplet motion analytical model three-dimensional Eulerian–Lagrangian simulation computational fluid dynamics turbine aerodynamic design turbomachinery blading design References [1] Hussein , M. D. , and Tabakoff , W. , 1973 , “ Dynamic Behavior...
View Article titled, Pragmatic Prediction Model of Droplet Trajectory in a Turbine Cascade
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Topics: Drops, Gas flow, Trajectories (Physics), Turbine blades, Turbines, Cascades (Fluid dynamics), Computer simulation, Pressure, Particulate matter
Journal Articles

Endwall Contouring for Improving Aerodynamic Performance in a High-Pressure Turbine Cascade

Zhengshuai Du, Le Cai, Yingjie Chen, Songtao Wang, Hongfei Tang, Jun Zeng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101001.
Paper No: TURBO-23-1296
https://doi.org/10.1115/1.4065260
Published Online: April 16, 2024
... dynamics (CFD) endwall contouring secondary flow turbine aerodynamic design measurement techniques Non-axisymmetric endwall contouring is an effective method to control the evolution of the secondary flows in a cascade. The approach introduced by Rose [ 1 ] was initially employed to reduce...
View Article titled, Endwall Contouring for Improving Aerodynamic Performance in a High-Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Vortices, Turbines, Computational fluid dynamics, Blades, Boundary layers
Journal Articles

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

Heather K. Jameson, John P. Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
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 Article titled, A New Multi-Stage Turbine Stator Design for Improved Performance Retention
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Topics: Flow (Dynamics), Rotors, Stators, Vortices, Leakage flows, Leakage, Separation (Technology), Pressure, Vorticity
Journal Articles

Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: Concept Design and Numerical Investigations

Zhihui Li, Loizos Christodoulou, Richard Jefferson-Loveday, Stephen Ambrose, Richard Jackson, Gary D. Lock, Carl M. Sangan, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061004.
Paper No: TURBO-23-1161
https://doi.org/10.1115/1.4064224
Published Online: January 29, 2024
... Email: cms20@bath.ac.uk Email: j.a.scobie@bath.ac.uk 10 08 2023 27 11 2023 27 11 2023 29 01 2024 flow control concept windage torque hub cavity computational fluid dynamics (CFD) seal flow low-pressure turbine cavity and leaking flows turbine aerodynamic design...
View Article titled, Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: Concept Design and Numerical Investigations
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Topics: Cavities, Design, Flow (Dynamics), Flow control, Pressure, Torque, Turbines, Cavity flows
Journal Articles

Loss Analysis in Radial Inflow Turbines for Supercritical CO 2 Mixtures

Omar Aqel, Martin White, Abdulnaser Sayma
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051003.
Paper No: TURBO-23-1236
https://doi.org/10.1115/1.4064193
Published Online: January 16, 2024
... turbine CO 2 mixtures transcritical CO 2 cycles turbine aerodynamic design loss analysis Directorate-General for Research and Innovation 10.13039/100004431 814985 Recent research has shown the advantage of CO 2 mixtures over pure CO 2 and state-of-the-art steam Rankine cycles...
View Article titled, Loss Analysis in Radial Inflow Turbines for Supercritical CO 2 Mixtures
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Topics: Carbon dioxide, Design, Fluids, Turbines, Pressure, Inflow, Clearances (Engineering)
Journal Articles

Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini, Ennio Spano, Simone Rosa Taddei, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051009.
Paper No: TURBO-23-1186
https://doi.org/10.1115/1.4064312
Published Online: January 16, 2024
... Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 23 08 2023 06 11 2023 06 11 2023 16 01 2024 boundary layer development computational fluid dynamics (CFD) fan compressor turbine aerodynamic design To transform global air...
View Article titled, Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures
Open the PDF for Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures in another window
Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Machinery, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Wakes
Journal Articles

An Improved Passage-Flow Turning Model for Forward-Curved Blades of Squirrel-Cage Fan

Boyan Jiang, Xiaopei Yang, Jun Wang, Zhiliang Lin, Jinkang Hu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051007.
Paper No: TURBO-21-1304
https://doi.org/10.1115/1.4064309
Published Online: January 16, 2024
... (CFD) fan squirrel-cage fan compressor turbine aerodynamic design turbomachinery blading design China Postdoctoral Science Foundation 10.13039/501100002858 2022M721238 Squirrel-cage fans (SCFs) are unique centrifugal fans characterized by a large diameter ratio, a large...
View Article titled, An Improved Passage-Flow Turning Model for Forward-Curved Blades of Squirrel-Cage Fan
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Topics: Blades, Flow (Dynamics), Pressure
Journal Articles

Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031012.
Paper No: TURBO-23-1250
https://doi.org/10.1115/1.4064087
Published Online: December 14, 2023
... . 16 09 2023 10 11 2023 13 11 2023 14 12 2023 riblets roughness direct numerical simulations transition to turbulence turbine aerodynamic design Science and Engineering Research Board 10.13039/501100001843 MTR/2022/000807 Low-pressure turbines (LPTs...
View Article titled, Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades
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Topics: Blades, Boundary layers, Dimensions, Flow (Dynamics), Surface roughness, Turbulence, Turbine blades, Skin friction (Fluid dynamics), Simulation, Pressure gradient
Journal Articles

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part I: Methodology and Challenges

Massimiliano Nardini, Melissa Kozul, Thomas O. Jelly, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031008.
Paper No: TURBO-23-1172
https://doi.org/10.1115/1.4063753
Published Online: December 4, 2023
...: richard.sandberg@unimelb.edu.au Email: tom.jelly@unimelb.edu.au Email: kozulm@unimelb.edu.au 1 Corresponding author. Email: massimiliano.nardini@unimelb.edu.au surface roughness computational fluid dynamics (CFD) direct numerical simulation turbine aerodynamic design...
View Article titled, Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part I: Methodology and Challenges
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Topics: Blades, Flow (Dynamics), Surface roughness, Turbulence, Computer simulation
Journal Articles

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade

Massimiliano Nardini, Thomas O. Jelly, Melissa Kozul, Richard D. Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031009.
Paper No: TURBO-23-1225
https://doi.org/10.1115/1.4063974
Published Online: December 4, 2023
...@unimelb.edu.au Email: kozulm@unimelb.edu.au Email: tom.jelly@unimelb.edu.au 1 Corresponding author. Email: massimiliano.nardini@unimelb.edu.au surface roughness computational fluid dynamics (CFD) direct numerical simulation turbine aerodynamic design References [1...
View Article titled, Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade
Open the PDF for Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade in another window
Topics: Blades, Boundary layers, Surface roughness, Turbulence, Computer simulation, Turbine blades, High pressure (Physics), Flow (Dynamics), Heat flux, Wakes
Journal Articles

Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021003.
Paper No: TURBO-23-1152
https://doi.org/10.1115/1.4063877
Published Online: November 8, 2023
... , “ An Analysis of the Correlations Between the Turbulent Flow and the Sound Pressure Fields of Subsonic Jets ,” J. Fluid. Mech. , 583 , pp. 71 – 97 . 10.1017/S002211200700612X computational fluid dynamics (CFD) nozzle aeroacoustics turbine aerodynamic design European Commission 10.13039...
View Article titled, Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle
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Topics: Acoustics, Flow (Dynamics), Noise (Sound), Nozzles, Shear (Mechanics), Shock (Mechanics), Pressure, Aerodynamic noise, Oscillations, Waves
Journal Articles

Active Fluidic Control of a Nozzle Guide Vane Throat

Alexander Spens, Jeffrey P. Bons
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011004.
Paper No: TURBO-23-1180
https://doi.org/10.1115/1.4063677
Published Online: October 19, 2023
... environment [ 3 ]. gas turbine variable geometry cycle performance turbine aerodynamic design 18 08 2023 29 09 2023 02 10 2023 19 10 2023 Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery...
View Article titled, Active Fluidic Control of a Nozzle Guide Vane Throat
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Topics: Alkaline fuel cells, Flow (Dynamics), Nozzle guide vanes, Nozzles, Pressure, Mach number, Design, Actuators, Turbines
Journal Articles

High-Dimensional Uncertainty Quantification of High-Pressure Turbine Vane Based on Multifidelity Deep Neural Networks

Zhihui Li, Francesco Montomoli, Nicola Casari, Michele Pinelli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111009.
Paper No: TURBO-23-1153
https://doi.org/10.1115/1.4063391
Published Online: October 4, 2023
.... multifidelity deep neural network uncertainty quantification high dimensionality turbomachinery fouling deposition turbine nozzle vane aerodynamic loss computational fluid dynamics (CFD) turbine aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components of gas...
View Article titled, High-Dimensional Uncertainty Quantification of High-Pressure Turbine Vane Based on Multifidelity Deep Neural Networks
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Topics: Artificial neural networks, Computational fluid dynamics, Design, Flow (Dynamics), Nozzles, Pressure, Turbines, Uncertainty quantification, Turbomachinery, Uncertainty