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Journal Articles

Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine

Accepted Manuscript
Tongxi Li, Jiakang Wang, Zhiheng Wang, Guang Xi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1113
https://doi.org/10.1115/1.4067733
Published Online: January 23, 2025
View Article titled, Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine
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Topics: Impulse (Physics), Turbines, Turbochargers, Unsteady flow, Nozzles, Symmetry (Physics), Blades, Computational fluid dynamics, Shock waves, Aerodynamics
Journal Articles

Gradient-free aerodynamic optimization with structural constraints and surge line control for radial compressor stage

Accepted Manuscript
Robert Schaffrath, Eberhard Nicke, Nicolai Forsthofer, Oliver Kunc, Christian Voß
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1121
https://doi.org/10.1115/1.4067687
Published Online: January 17, 2025
View Article titled, Gradient-free aerodynamic optimization with structural constraints and surge line control for radial compressor stage
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Topics: Compressors, Computational fluid dynamics, Design, Optimization, Surges, Turbochargers
Journal Articles

Effect of blockages on film effectiveness on the pressure surface of a turbine blade

Accepted Manuscript
Tassilo von Mueller, David Bacci, Augustin Wambersie, Tsun Holt Wong, Peter Ireland, Dougal Jackson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1235
https://doi.org/10.1115/1.4067688
Published Online: January 17, 2025
View Article titled, Effect of blockages on film effectiveness on the pressure surface of a turbine blade
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Topics: Film cooling, Pressure, Turbine blades, Turbochargers, Discharge coefficient, Blades, Cascades (Fluid dynamics), Engines, Erosion, Heat transfer
Journal Articles

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

Accepted Manuscript
Gustavo Lopes, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1152
https://doi.org/10.1115/1.4067674
Published Online: January 15, 2025
View Article titled, Unsteadiness in the Secondary Flows of a High-Speed Low-Pressure Turbine Cascade with Unsteady Wakes and Purge Flow
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Topics: Cascades (Fluid dynamics), Cavities, Flow (Dynamics), Pressure, Turbines, Turbochargers, Wakes, Engines, Leakage flows, Reynolds number
Journal Articles

Design and Analysis of a Liftfan for eVTOL Aircraft

Accepted Manuscript
Rory Hine, Dominic R. Cousins, Leo Maden, Samuel J. Walker, Nicholas. R. Atkins, Sam D. Grimshaw, James Taylor
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1308
https://doi.org/10.1115/1.4067673
Published Online: January 15, 2025
View Article titled, Design and Analysis of a Liftfan for eVTOL Aircraft
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Topics: Computational fluid dynamics, Design, Electric vertical take-off and landing aircraft, Heat transfer, Turbochargers
Journal Articles

Roughness Investigations on In-Service High-Pressure Compressor Blades—Part II: Roughness Parameterization and Computational Fluid Dynamics-Based Modeling of Its Impact on Turbulent Flows

Ilias Vasilopoulos, Paolo Adami, Matthias Voigt, Marcus Meyer, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081002.
Paper No: TURBO-23-1224
https://doi.org/10.1115/1.4065681
Published Online: January 13, 2025
View Article titled, Roughness Investigations on In-Service High-Pressure Compressor Blades—Part II: Roughness Parameterization and Computational Fluid Dynamics-Based Modeling of Its Impact on Turbulent Flows
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Topics: Surface roughness, Computational fluid dynamics, Simulation, Channel flow, Modeling, Turbulence, Reynolds-averaged Navier–Stokes equations
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
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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Topics: Blades, Computational fluid dynamics, Pressure, Rotors, Turbines, Flow (Dynamics), Pressure measurement, Chords (Trusses), Engines, Leakage flows
Journal Articles

GPU-Accelerated Full-Wheel Large-Eddy Simulations of a Transonic Fan Stage

Kan Wang, Sanjeeb Bose, Christopher Ivey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081003.
Paper No: TURBO-24-1191
https://doi.org/10.1115/1.4067176
Published Online: January 13, 2025
View Article titled, GPU-Accelerated Full-Wheel Large-Eddy Simulations of a Transonic Fan Stage
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Topics: Blades, Engineering simulation, Graphics processing units, Large eddy simulation, Rotors, Simulation, Wheels, Pressure, Flow (Dynamics), Clearances (Engineering)
Journal Articles

Roughness Investigations on In-Service High-Pressure Compressor Blades—Part I: An Automated Process for High-Fidelity Roughness Measurements

Ilias Vasilopoulos, Mirco Rostamian, Matthias Voigt, Marcus Meyer, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081001.
Paper No: TURBO-24-1054
https://doi.org/10.1115/1.4067291
Published Online: January 13, 2025
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, Rotors, Surface roughness, Compressors, Engines
Journal Articles

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

Yangwei Liu, Weibo Zhong, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061016.
Paper No: TURBO-24-1240
https://doi.org/10.1115/1.4067295
Published Online: January 13, 2025
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, Corners (Structural elements), Flow (Dynamics), Separation (Technology), Vortices, Unsteady flow, Pressure
Journal Articles

Advanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Uncertainty Quantification of RANS Turbulence Modeling

Marcel Matha, Felix M. Möller, Christoph Bode, Christian Morsbach, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081004.
Paper No: TURBO-24-1239
https://doi.org/10.1115/1.4067315
Published Online: January 13, 2025
View Article titled, Advanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Uncertainty Quantification of RANS Turbulence Modeling
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Topics: Compressors, Flow (Dynamics), Modeling, Reynolds stress, Reynolds-averaged Navier–Stokes equations, Simulation, Tensors, Turbulence, Uncertainty, Eigenvalues
Journal Articles

Experimental and Numerical Comparison of Two Turbine Vane Frame Designs

Nicolas Krajnc, Asim Hafizovic, Lukas Wiesinger, Francesco Mangini, Patrick Zeno Sterzinger, Marios Patinios, Emil Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081005.
Paper No: TURBO-24-1212
https://doi.org/10.1115/1.4067321
Published Online: January 13, 2025
View Article titled, Experimental and Numerical Comparison of Two Turbine Vane Frame Designs
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Topics: Flow (Dynamics), Pressure, Turbines, Design, Ducts, Vortices
Journal Articles

Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages

Hanlin Wang, Denali Klein, Lesley M. Wright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081006.
Paper No: TURBO-24-1259
https://doi.org/10.1115/1.4067322
Published Online: January 13, 2025
View Article titled, Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages
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Topics: Flow (Dynamics), Heat transfer, Turbulence, Liquid crystals, Reynolds number
Journal Articles

Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance

Ignacio Lasala, Aubrey McKelvy, James Braun, Guillermo Paniagua, Etienne Choquet, Thierry Andre, Francois Falempin
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081007.
Paper No: TURBO-24-1297
https://doi.org/10.1115/1.4067379
Published Online: January 13, 2025
View Article titled, Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance
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Topics: Cooling, Flow (Dynamics), Lasers, Pressure, Probes, Shock (Mechanics), Coolants, Shapes, High temperature, Shock waves
Journal Articles

Development of Heat Exchanger Modeling Capability for a Finite-Volume Aeroelasticity Solver

Sam Mitchell, Irene Tartaruga, Sina Stapelfeldt
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081008.
Paper No: TURBO-24-1245
https://doi.org/10.1115/1.4067380
Published Online: January 13, 2025
View Article titled, Development of Heat Exchanger Modeling Capability for a Finite-Volume Aeroelasticity Solver
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Topics: Aeroelasticity, Flow (Dynamics), Heat exchangers, Modeling, Porous materials, Pressure, Waves, Fluids, Ducts, Acoustics
Journal Articles

Swirling Flow Effects on the Aeroacoustic Signature of an Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081009.
Paper No: TURBO-24-1244
https://doi.org/10.1115/1.4067383
Published Online: January 13, 2025
View Article titled, Swirling Flow Effects on the Aeroacoustic Signature of an Aerospike Nozzle
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Topics: Flow (Dynamics), Nozzles, Pressure, Shear (Mechanics), Shock (Mechanics), Swirling flow, Acoustics, Oscillations, Noise (Sound), Jets
Journal Articles

Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations

Xavier Gloerfelt, Leander Hake, Aurélien Bienner, Camille Matar, Paola Cinnella, Stefan aus der Wiesche
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081010.
Paper No: TURBO-24-1258
https://doi.org/10.1115/1.4067443
Published Online: January 13, 2025
View Article titled, Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations
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Topics: Blades, Flow (Dynamics), Simulation, Surface roughness, Turbines, Cascades (Fluid dynamics), Pressure, Boundary layers, Engineering simulation, Turbulence
Journal Articles

An Active Turbulence Grid for Turbomachinery Flow Experiments

Federico Bertelli, Mizuki Okada, Sergio Lavagnoli, Koen Hillewaert
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081011.
Paper No: TURBO-24-1325
https://doi.org/10.1115/1.4067441
Published Online: January 13, 2025
View Article titled, An Active Turbulence Grid for Turbomachinery Flow Experiments
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Topics: Flow (Dynamics), Turbulence, Turbomachinery
Image
Geometry of the end slotted blade

Geometry of the end slotted blade

in Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade > Journal of Turbomachinery
Published Online: January 13, 2025
Fig. 1 Geometry of the end slotted blade More about this image found in Geometry of the end slotted blade
Image
Computational domain and grid topology of the end slotted blade

Computational domain and grid topology of the end slotted blade

in Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade > Journal of Turbomachinery
Published Online: January 13, 2025
Fig. 2 Computational domain and grid topology of the end slotted blade More about this image found in Computational domain and grid topology of the end slotted blade