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Journal Articles

Development of Compact and Hermetic Organic Rankine Cycle Turbine Generator With Upgraded Cooling Capability

Toshimitsu Tanaka, Ryo Takata, Takuma Hirado, Akira Kawanami

Publisher: ASME

J. Turbomach. September 2025, 147(9): 091015.

Paper No: TURBO-24-1292

https://doi.org/10.1115/1.4067638

Published Online: February 17, 2025

... study organic Rankine cycle (ORC) turbine aerodynamic design In order to reduce environmental impacts caused by economic activities, switching from conventional fossil fuel oil to natural gas has been popular in onshore plants [ 1 ]. Recently, the maritime industry has followed them due...

View Articletitled, Development of Compact and Hermetic Organic Rankine Cycle Turbine Generator With Upgraded Cooling Capability

Topics: Organic Rankine cycle, Turbines, Turbogenerators, Generators, Design, Computational fluid dynamics, Heat, Flow (Dynamics), Cooling, Fins

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

Publisher: ASME

J. Turbomach. June 2025, 147(6): 061017.

Paper No: TURBO-24-1267

https://doi.org/10.1115/1.4066965

Published Online: January 13, 2025

... , 91 , pp. 1248 – 1258 . 10.1016/j.ijheatmasstransfer.2015.07.101 computational fluid dynamics (CFD) turbine aerodynamic design experimental turbine unsteady measurements A shroudless turbine rotor necessitates a gap between the rotor tip and the casing to prevent rubbing during...

View Articletitled, 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

Topics: Blades, Computational fluid dynamics, Pressure, Rotors, Turbines, Flow (Dynamics), Pressure measurement, Chords (Trusses), Engines, Leakage flows

Journal Articles

Dissipation in Skewed Boundary Layers

Robert Peacock, Masha Folk, Graham Pullan

Publisher: ASME

J. Turbomach. July 2025, 147(7): 071007.

Paper No: TURBO-24-1203

https://doi.org/10.1115/1.4067126

Published Online: December 20, 2024

... remained unknown. Engineering and Physical Sciences Research Council 10.13039/501100000266 EP/S023003/1 Rolls-Royce 10.13039/501100000767 G103103 G105740 boundary layer development losses turbine aerodynamic design fan compressor and turbine aerodynamic design...

View Articletitled, Dissipation in Skewed Boundary Layers

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

Publisher: ASME

J. Turbomach. June 2025, 147(6): 061003.

Paper No: TURBO-24-1168

https://doi.org/10.1115/1.4067034

Published Online: November 22, 2024

..., engine manufacturers are looking toward reducing the size of the engine core to increase the operating bypass ratio. Ames Research Center 10.13039/100006195 80NSSC21M0068 computational fluid dynamics turbine aerodynamic design 17 07 2024 22 10 2024 22 10 2024...

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

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

Publisher: ASME

J. Turbomach. June 2025, 147(6): 061004.

Paper No: TURBO-24-1169

https://doi.org/10.1115/1.4067028

Published Online: November 22, 2024

... of the thermal core, while maintaining high-pressure ratios. computational fluid dynamics turbine aerodynamic design 17 07 2024 22 10 2024 22 10 2024 22 11 2024 This work is in part a work of the U.S. Government. ASME disclaims all interest in the U.S. Government's...

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

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

Publisher: ASME

J. Turbomach. June 2025, 147(6): 061006.

Paper No: TURBO-24-1184

https://doi.org/10.1115/1.4067033

Published Online: November 22, 2024

... for publication in the J ournal of T urbomachinery . 24 07 2024 18 10 2024 18 10 2024 22 11 2024 Graphical Abstract Figure computational fluid dynamics (CFD) turbine aerodynamic design turbomachinery blading design entropy loss loss audit vortices, wakes...

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

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

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

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

Publisher: ASME

J. Turbomach. December 2024, 146(12): 121007.

Paper No: TURBO-23-1183

https://doi.org/10.1115/1.4065907

Published Online: July 23, 2024

... computational fluid dynamics (CFD) turbine aerodynamic design impact of cavity leaking flows on performance Graphical Abstract Figure 21 08 2023 20 06 2024 20 06 2024 23 07 2024 Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication...

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

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

Publisher: ASME

J. Turbomach. December 2024, 146(12): 121003.

Paper No: TURBO-24-1018

https://doi.org/10.1115/1.4065785

Published Online: July 15, 2024

... simulation computational fluid dynamics turbine aerodynamic design turbomachinery blading design Japan Society for the Promotion of Science 10.13039/501100001691 JP21K14084 JP22H01593 JP24K17202 New Energy and Industrial Technology Development Organization 10.13039/501100001863...

View Articletitled, Pragmatic Prediction Model of Droplet Trajectory in a Turbine Cascade

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

Publisher: ASME

J. Turbomach. October 2024, 146(10): 101001.

Paper No: TURBO-23-1296

https://doi.org/10.1115/1.4065260

Published Online: April 16, 2024

... 2024 16 04 2024 Graphical Abstract Figure computational fluid 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...

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

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

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

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

Publisher: ASME

J. Turbomach. June 2024, 146(6): 061004.

Paper No: TURBO-23-1161

https://doi.org/10.1115/1.4064224

Published Online: January 29, 2024

... thrust and efficiency. flow control concept windage torque hub cavity computational fluid dynamics (CFD) seal flow low-pressure turbine cavity and leaking flows turbine aerodynamic design impact on cavity leaking flows on performance 10 08 2023 27 11 2023 27 11 2023...

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

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

Publisher: ASME

J. Turbomach. May 2024, 146(5): 051003.

Paper No: TURBO-23-1236

https://doi.org/10.1115/1.4064193

Published Online: January 16, 2024

... 10.13039/100004431 814985 radial inflow turbine CO 2 mixtures transcritical CO 2 cycles turbine aerodynamic design loss analysis 11 09 2023 26 11 2023 27 11 2023 16 01 2024 Email: a.sayma@city.ac.uk Email: martin.white@sussex.ac.uk 1 Corresponding...

View Articletitled, Loss Analysis in Radial Inflow Turbines for Supercritical CO 2 Mixtures

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

Publisher: ASME

J. Turbomach. May 2024, 146(5): 051009.

Paper No: TURBO-23-1186

https://doi.org/10.1115/1.4064312

Published Online: January 16, 2024

... 2023 16 01 2024 boundary layer development computational fluid dynamics (CFD) fan compressor turbine aerodynamic design To transform global air transport toward a sustainable and climate neutral future, breakthrough technology initiatives must be pursued for the introduction...

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

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

Publisher: ASME

J. Turbomach. May 2024, 146(5): 051007.

Paper No: TURBO-21-1304

https://doi.org/10.1115/1.4064309

Published Online: January 16, 2024

... . 20 12 2021 07 12 2023 08 12 2023 16 01 2024 boundary layer development computational fluid dynamics (CFD) fan squirrel-cage fan compressor turbine aerodynamic design turbomachinery blading design China Postdoctoral Science Foundation 10.13039/501100002858...

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

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

Publisher: ASME

J. Turbomach. March 2024, 146(3): 031012.

Paper No: TURBO-23-1250

https://doi.org/10.1115/1.4064087

Published Online: December 14, 2023

... numerical simulations transition to turbulence turbine aerodynamic design Science and Engineering Research Board 10.13039/501100001843 MTR/2022/000807 Low-pressure turbines (LPTs) form an integral part of modern high bypass ratio turbofan engines in civilian air transport...

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

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 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

Publisher: ASME

J. Turbomach. March 2024, 146(3): 031009.

Paper No: TURBO-23-1225

https://doi.org/10.1115/1.4063974

Published Online: December 4, 2023

... numerical simulation turbine aerodynamic design Australian Research Council 10.13039/501100000923 FT190100072 Office of Science 10.13039/100006132 DE-AC05-00OR22725 Gas turbines are still the most widely used technology for power generation and aircraft propulsion. Even small...

View Articletitled, 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

Topics: Blades, Boundary layers, Surface roughness, Turbulence, Computer simulation, Turbine blades, High pressure (Physics), Flow (Dynamics), Heat flux, Wakes

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

Publisher: ASME

J. Turbomach. March 2024, 146(3): 031008.

Paper No: TURBO-23-1172

https://doi.org/10.1115/1.4063753

Published Online: December 4, 2023

... 2023 10 10 2023 10 10 2023 04 12 2023 surface roughness computational fluid dynamics (CFD) direct numerical simulation turbine aerodynamic design Australian Research Council 10.13039/501100000923 FT190100072 Office of Science 10.13039/100006132 DE-AC05...

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

Topics: Blades, Flow (Dynamics), Surface roughness, Turbulence, Computer simulation

Journal Articles

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

Thomas Golliard, Mihai Mihaescu

Publisher: ASME

J. Turbomach. February 2024, 146(2): 021003.

Paper No: TURBO-23-1152

https://doi.org/10.1115/1.4063877

Published Online: November 8, 2023

... fluid dynamics (CFD) nozzle aeroacoustics turbine aerodynamic design European Commission 10.13039/501100000780 H2020-MSCA-ITN-2020 956803 Propulsion technologies for high-speed aircraft or rockets use nozzles through which the highly-heated flow is exhausted. However...

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

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

Publisher: ASME

J. Turbomach. January 2024, 146(1): 011004.

Paper No: TURBO-23-1180

https://doi.org/10.1115/1.4063677

Published Online: October 19, 2023

... 10 2023 gas turbine variable geometry cycle performance turbine aerodynamic design Variable area turbines (VATs) offer large improvements in both off-design cycle efficiency and improved engine responsiveness for future gas turbine engines. Previous experimental studies of VAT...

View Articletitled, Active Fluidic Control of a Nozzle Guide Vane Throat

Topics: Alkaline fuel cells, Flow (Dynamics), Nozzle guide vanes, Nozzles, Pressure, Mach number, Design, Actuators, Turbines

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Development of Compact and Hermetic Organic Rankine Cycle Turbine Generator With Upgraded Cooling Capability

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

Dissipation in Skewed Boundary Layers

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

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

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

A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane

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

Pragmatic Prediction Model of Droplet Trajectory in a Turbine Cascade

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

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

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

Loss Analysis in Radial Inflow Turbines for Supercritical CO 2 Mixtures

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

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

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

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

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

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

Active Fluidic Control of a Nozzle Guide Vane Throat

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