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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

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
Open the PDF for 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 in another window
Topics: Surface roughness, Computational fluid dynamics, Simulation, Channel flow, Modeling, Turbulence, Reynolds-averaged Navier–Stokes equations
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

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

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
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
View Article titled, Dissipation in Skewed Boundary Layers
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Topics: Boundary layers, Energy dissipation, Turbulence
Journal Articles

Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied Via High-Fidelity Simulation

Marco Rosenzweig, Melissa Kozul, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041018.
Paper No: TURBO-24-1296
https://doi.org/10.1115/1.4067294
Published Online: December 20, 2024
View Article titled, Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied Via High-Fidelity Simulation
Open the PDF for Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied Via High-Fidelity Simulation in another window
Topics: Blades, Flow (Dynamics), Pressure, Simulation, Wakes, Turbulence, Separation (Technology), Boundary layers, Bubbles
Journal Articles

Uncertainty Analysis of Laser Drilling Imperfection and Impacts on the Cooling Performance of a Transonic Turbine Vane

Mingyang Hao, Bo Bai, Jiawei Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041016.
Paper No: TURBO-24-1072
https://doi.org/10.1115/1.4067244
Published Online: December 17, 2024
View Article titled, Uncertainty Analysis of Laser Drilling Imperfection and Impacts on the Cooling Performance of a Transonic Turbine Vane
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Topics: Coolants, Cooling, Drilling, Film cooling, Flow (Dynamics), Lasers, Uncertainty quantification, Turbines, Uncertainty, Uncertainty analysis
Journal Articles

Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface

Jia-Jun Hu, Bai-Tao An
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061015.
Paper No: TURBO-24-1129
https://doi.org/10.1115/1.4067239
Published Online: December 17, 2024
View Article titled, Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface
Open the PDF for Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface in another window
Topics: Coolants, Diffusion (Physics), Film cooling, Flow (Dynamics), Nozzle guide vanes, Pressure, Suction, Turbines, Density, Turbulence
Journal Articles

Scale-Resolving Simulations of Turbulent Flow Retaining the Exact Blade Count With the Time-Inclined Method

Miguel Montiel, Roque Corral
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031013.
Paper No: TURBO-24-1276
https://doi.org/10.1115/1.4067247
Published Online: December 17, 2024
View Article titled, Scale-Resolving Simulations of Turbulent Flow Retaining the Exact Blade Count With the Time-Inclined Method
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Topics: Blades, Cascades (Fluid dynamics), Engineering simulation, Flow (Dynamics), Pressure, Simulation, Turbulence, Wakes, Inflow, Modeling
Journal Articles

The Impact of Inflow Unsteadiness on Loss Prediction

Pawel J. Przytarski, Davide Lengani, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041014.
Paper No: TURBO-24-1309
https://doi.org/10.1115/1.4067241
Published Online: December 17, 2024
View Article titled, The Impact of Inflow Unsteadiness on Loss Prediction
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Topics: Compressors, Design, Gibbs' equation, Inflow, Pressure, Turbulence, Reynolds number, Flow (Dynamics), Blades, Simulation
Includes: Supplementary data
Journal Articles

WAKE – SEPARATION BUBBLE INTERACTION OVER AN EXPERIMENTALLY SIMULATED AXIAL COMPRESSOR BLADE UNDER LOW REYNOLDS NUMBER FLOW

Accepted Manuscript
Thomas Irps, Vasudevan Kanjirakkad
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1310
https://doi.org/10.1115/1.4067466
Published Online: December 17, 2024
View Article titled, WAKE – SEPARATION BUBBLE INTERACTION OVER AN EXPERIMENTALLY SIMULATED AXIAL COMPRESSOR BLADE UNDER LOW REYNOLDS NUMBER FLOW
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Topics: Blades, Boundary layers, Bubbles, Compressors, Flow (Dynamics), Reynolds number, Separation (Technology), Turbochargers, Wakes, Flat plates
Journal Articles

HIGH-FIDELITY INVESTIGATION OF VORTEX SHEDDING FROM A HIGHLY-LOADED TURBINE BLADE

Accepted Manuscript
Xavier Gloerfelt, Paola Cinnella
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1257
https://doi.org/10.1115/1.4067438
Published Online: December 13, 2024
View Article titled, HIGH-FIDELITY INVESTIGATION OF VORTEX SHEDDING FROM A HIGHLY-LOADED TURBINE BLADE
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Topics: Boundary layers, Turbine blades, Turbochargers, Vortex shedding, Bubbles, Turbulence, Cascades (Fluid dynamics), Mach number, Computational fluid dynamics, Flow (Dynamics)
Journal Articles

Turbulence Measurements in Axial Turbines using Fast Response Aerodynamic Pressure Probes

Accepted Manuscript
Andrea Notaristefano, Giacomo Persico, Paolo Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1336
https://doi.org/10.1115/1.4067440
Published Online: December 13, 2024
View Article titled, Turbulence Measurements in Axial Turbines using Fast Response Aerodynamic Pressure Probes
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Topics: Pressure, Probes, Turbines, Turbochargers, Turbomachinery, Turbulence
Journal Articles

Large Eddy Simulation of an Open Fan Blade at Full-Scale Reynolds Number

Stephan Priebe, Eduardo Jourdan, Arash Mousavi, Ravish Karve, Suryapratim Chakrabarti, Luke D’Aquila, Junsok Yi, Mohammad Alhawwary, Varun Bharadwaj Ananthan, Kishore Ramakrishnan, Trevor Wood
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071004.
Paper No: TURBO-24-1164
https://doi.org/10.1115/1.4067098
Published Online: December 10, 2024
View Article titled, Large Eddy Simulation of an Open Fan Blade at Full-Scale Reynolds Number
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Topics: Blades, Flow (Dynamics), Large eddy simulation, Reynolds-averaged Navier–Stokes equations, Wakes, Simulation, Turbulence, Reynolds number
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
Open the PDF for A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades in another window
Topics: Kinetic energy, Optimization, Pressure, Reynolds stress, Simulation, Turbines, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations, Tensors
Journal Articles

Noise Source Identification for the Unsteady Low-Pressure Turbine Flow Fields

Lanyi Yan, Daniele Simoni, Yigang Luan, Tao Sun, Dario Barsi, Pietro Zunino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051007.
Paper No: TURBO-24-1127
https://doi.org/10.1115/1.4066917
Published Online: November 12, 2024
View Article titled, Noise Source Identification for the Unsteady Low-Pressure Turbine Flow Fields
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Topics: Flow (Dynamics), Noise (Sound), Pressure, Rotors, Stators, Turbines, Turbulence, Principal component analysis, Blades
Journal Articles

Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms

Matteo Russo, Andrea Carlucci, Matteo Dellacasagrande, Daniele Petronio, Davide Lengani, Daniele Simoni, Juri Bellucci, Matteo Giovannini, Angelo A. Granata, Monica Gily, Carlotta Manca
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041005.
Paper No: TURBO-24-1304
https://doi.org/10.1115/1.4066818
Published Online: October 25, 2024
View Article titled, Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
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Topics: Blades, Design, Flow (Dynamics), Optimization, Pressure, Turbulence, Wakes, Boundary layers, Large eddy simulation, Suction
Journal Articles

Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions

S. M. Ananth, Massimiliano Nardini, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041011.
Paper No: TURBO-24-1255
https://doi.org/10.1115/1.4066815
Published Online: October 25, 2024
View Article titled, Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions
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Topics: Boundary layers, Flow (Dynamics), Reynolds number, Skin friction (Fluid dynamics), Surface roughness, Turbulence, Pressure, Simulation, Blades, Statistics