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Journal Articles

Three-Dimensional Unsteady Aerodynamic Optimization of a Transonic Compressor Stage Using an Implicit Discrete Adjoint Harmonic Balance Method

Accepted Manuscript
Hangkong Wu, Dingxi Wang, Xiuquan Huang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1358
https://doi.org/10.1115/1.4067290
Published Online: November 27, 2024
View Article titled, Three-Dimensional Unsteady Aerodynamic Optimization of a Transonic Compressor Stage Using an Implicit Discrete Adjoint Harmonic Balance Method
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Topics: Compressors, Design, Optimization, Turbochargers, Turbomachinery, Blades, Computational fluid dynamics, NASA, Rotors, Stators
Journal Articles

ROUGHNESS INVESTIGATIONS ON IN-SERVICE HIGH-PRESSURE COMPRESSOR BLADES - PART I: AN AUTOMATED PROCESS FOR HIGH-FIDELITY ROUGHNESS MEASUREMENTS

Accepted Manuscript
Ilias Vasilopoulos, Mirco Rostamian, Matthias Voigt, Marcus Meyer, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1054
https://doi.org/10.1115/1.4067291
Published Online: November 27, 2024
View Article titled, ROUGHNESS INVESTIGATIONS ON IN-SERVICE HIGH-PRESSURE COMPRESSOR BLADES - PART I: AN AUTOMATED PROCESS FOR HIGH-FIDELITY ROUGHNESS MEASUREMENTS
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Topics: Blades, Compressors, High pressure (Physics), Surface roughness, Turbochargers, Rotors, Approximation, Engineering simulation, Errors, Lenses (Optics)
Journal Articles

ON THE APPLICATION OF BACKGROUND ORIENTED SCHLIEREN TO A TRANSONIC LOW-REYNOLDS TURBINE CASCADE

Accepted Manuscript
Alexandre Halby, Bora Orcun Cakir, Lorenzo Da Valle, Gustavo Lopes, Mizuki Okada, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1206
https://doi.org/10.1115/1.4067292
Published Online: November 27, 2024
View Article titled, ON THE APPLICATION OF BACKGROUND ORIENTED SCHLIEREN TO A TRANSONIC LOW-REYNOLDS TURBINE CASCADE
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Topics: Cascades (Fluid dynamics), Compressors, Turbines, Turbochargers, Flow (Dynamics), Density, Blades, Boundary layers, Shock waves, Turbomachinery
Journal Articles

NUMERICAL SIMULATIONS AND SENSITIVITY ANALYSIS OF ICE FORMATION ON FAN BLADES

Accepted Manuscript
Katja Müller, Peter Flassig, Robert Flassig
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1211
https://doi.org/10.1115/1.4067293
Published Online: November 27, 2024
View Article titled, NUMERICAL SIMULATIONS AND SENSITIVITY ANALYSIS OF ICE FORMATION ON FAN BLADES
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Topics: Blades, Compressors, Computational fluid dynamics, Computer simulation, Sensitivity analysis, Turbochargers, Ice, Flight, Computer software, Design
Journal Articles

UNSTEADY LOSS MECHANISMS IN LOW-PRESSURE TURBINES WITH DIVERGING END-WALLS STUDIED VIA HIGH-FIDELITY SIMULATION

Accepted Manuscript
Marco Rosenzweig, Melissa Kozul, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1296
https://doi.org/10.1115/1.4067294
Published Online: November 27, 2024
View Article titled, UNSTEADY LOSS MECHANISMS IN LOW-PRESSURE TURBINES WITH DIVERGING END-WALLS STUDIED VIA HIGH-FIDELITY SIMULATION
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Topics: Pressure, Simulation, Turbines, Turbochargers, Wakes, Blades, Computational fluid dynamics, Engines, Flow (Dynamics), Boundary layers
Journal Articles

EFFECT OF FLOW DISTORTIONS ON PIN FINS IN THE ENTRY REGION OF CIRCULAR CHANNELS

Accepted Manuscript
Evan Lundburg, Stephen Lynch, M. Eric Lyall
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1195
https://doi.org/10.1115/1.4067296
Published Online: November 27, 2024
View Article titled, EFFECT OF FLOW DISTORTIONS ON PIN FINS IN THE ENTRY REGION OF CIRCULAR CHANNELS
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Topics: Boundary layers, Fins, Flow (Dynamics), Heat transfer, Turbochargers, Aircraft engines, Aircraft, Film cooling, Heat sinks, Reynolds number
Journal Articles

Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade

Accepted Manuscript
Yangwei Liu, Weibo Zhong, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1240
https://doi.org/10.1115/1.4067295
Published Online: November 27, 2024
View Article titled, Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Separation (Technology), Turbochargers, Unsteady flow
Journal Articles

Model for Local Cavitation Instabilities in Two-Bladed Turbopump Inducers

Youngkuk Yoon, Seung Jin Song
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051013.
Paper No: TURBO-24-1151
https://doi.org/10.1115/1.4067027
Published Online: November 22, 2024
View Article titled, Model for Local Cavitation Instabilities in Two-Bladed Turbopump Inducers
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Topics: Blades, Cavitation, Flow (Dynamics), Leakage, Vortices, Cavities, Oscillations
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
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
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

Understanding the Flow Field in a Highly Loaded Tandem Compressor Cascade

Thanh-Son Tran, Cedric Babin, Fabrizio Fontaneto, Gregory Coussement, Tom Verstraete
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061005.
Paper No: TURBO-24-1180
https://doi.org/10.1115/1.4067029
Published Online: November 22, 2024
View Article titled, Understanding the Flow Field in a Highly Loaded Tandem Compressor Cascade
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Topics: Blades, Flow (Dynamics), Design, Cascades (Fluid dynamics)
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
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 Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades

Johannes Deutsch, Nima Fard Afshar, Stefan Henninger, Peter Jeschke
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061007.
Paper No: TURBO-24-1188
https://doi.org/10.1115/1.4067032
Published Online: November 22, 2024
View Article titled, A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades
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Topics: Kinetic energy, Optimization, Pressure, Reynolds stress, Simulation, Turbines, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations, Tensors
Journal Articles

Multidisciplinary Optimization of a Mixed-Flow Impeller With 140 Parameters and Its Shapley Additive Explanations

Guang Xi, Yong Zhang, Cheng Ji, Chenqing Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061008.
Paper No: TURBO-24-1312
https://doi.org/10.1115/1.4067030
Published Online: November 22, 2024
View Article titled, Multidisciplinary Optimization of a Mixed-Flow Impeller With 140 Parameters and Its Shapley Additive Explanations
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Topics: Blades, Flow (Dynamics), Impellers, Optimization, Design, Shapes
Journal Articles

Robust Design Optimization of a Compressor Rotor Using Recursive Cokriging Based Multi-Fidelity Uncertainty Quantification and Multi-Fidelity Optimization

Marcus Wiegand, Andriy Prots, Marcus Meyer, Robin Schmidt, Matthias Voigt, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061009.
Paper No: TURBO-24-1192
https://doi.org/10.1115/1.4067076
Published Online: November 22, 2024
View Article titled, Robust Design Optimization of a Compressor Rotor Using Recursive Cokriging Based Multi-Fidelity Uncertainty Quantification and Multi-Fidelity Optimization
Open the PDF for Robust Design Optimization of a Compressor Rotor Using Recursive Cokriging Based Multi-Fidelity Uncertainty Quantification and Multi-Fidelity Optimization in another window
Topics: Compressors, Design, Optimization, Uncertainty quantification
Journal Articles

Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing

Nicholas L. Gailey, Michael D. Barringer, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061010.
Paper No: TURBO-24-1172
https://doi.org/10.1115/1.4067100
Published Online: November 22, 2024
View Article titled, Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing
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Topics: Cooling, Flow (Dynamics), Film cooling
Journal Articles

Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes

Zhongran Chi, Longfei Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061012.
Paper No: TURBO-24-1227
https://doi.org/10.1115/1.4067099
Published Online: November 22, 2024
View Article titled, Scale Cooling—A Novel Fractal Cooling Structure for Turbine Vanes
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Topics: Cooling, Fractals, Design, Heat transfer, Computational fluid dynamics
Journal Articles

Hybrid RANS-LES Simulation of Rotor–Stator Interaction in a Compressor Stage Using a Grid-Adaptive Simulation Method

Yumeng Tang, Xindi Wei, Yangwei Liu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071001.
Paper No: TURBO-24-1177
https://doi.org/10.1115/1.4067102
Published Online: November 22, 2024
View Article titled, Hybrid RANS-LES Simulation of Rotor–Stator Interaction in a Compressor Stage Using a Grid-Adaptive Simulation Method
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Topics: Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation, Stators, Unsteady flow, Blades, Compressors, Wakes
Journal Articles

Numerical Investigation on the Influence of Wet Compression Aerodynamic Performance of Multi-Stage Transonic Compressor

Zihuan Zhu, Yadong Wu, Lele Ming, Xinze Zhang, Hua Ouyang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061011.
Paper No: TURBO-24-1193
https://doi.org/10.1115/1.4067101
Published Online: November 22, 2024
View Article titled, Numerical Investigation on the Influence of Wet Compression Aerodynamic Performance of Multi-Stage Transonic Compressor
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Topics: Compression, Compressors, Drops, Plasma spraying, Spraying (Coating processes), Wireless power transfer, Pressure, Temperature, Water
Image
NExT stage cross section ( a ); geometric definitions ( b ); and tip geomet...

NExT stage cross section ( a ); geometric definitions ( b ); and tip geomet...

in Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines > Journal of Turbomachinery
Published Online: November 22, 2024
Fig. 1 NExT stage cross section ( a ); geometric definitions ( b ); and tip geometry/clearance configurations ( c )—from left to right: flat tip, τ / S = 1.0% (FL-S); flat tip, τ / S = 1.5% (FL-L); squealer tip, τ / S = 1.0% (SQ-S); and squealer tip, τ / S = 1.5% (S... More about this image found in NExT stage cross section ( a ); geometric definitions ( b ); and tip geomet...