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Journal Articles

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

Accepted Manuscript
Matteo Russo, Andrea Carlucci, Matteo Dellacasagrande, Daniele Petronio, Davide Lengani, Daniele Simoni, Juri Bellucci, Matteo Giovannini, Angelo Alberto Granata, Monica Gily, Carlotta Manca
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1304
https://doi.org/10.1115/1.4066818
Published Online: October 9, 2024
View Article titled, Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
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Topics: Boundary layers, Design, Inspection, Optimization, Pressure, Turbine blades, Turbochargers, Blades, Wakes, Computational fluid dynamics
Journal Articles

Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows

Xiao He, Francesco Montomoli, Vittorio Michelassi, Andrea Panizza, Leonardo Pulga
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011009.
Paper No: TURBO-24-1115
https://doi.org/10.1115/1.4066276
Published Online: September 3, 2024
View Article titled, Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows
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Topics: Anisotropy, Cooling, Film cooling, Flow (Dynamics), Heat flux, Reynolds-averaged Navier–Stokes equations, Stress tensors, Turbulence, Vortex shedding, Kinetic energy
Journal Articles

The Role of Turbulence Transport in Mechanical Energy Budgets

Pawel J. Przytarski, Davide Lengani, Daniele Simoni, Andrew P. S. Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101008.
Paper No: TURBO-24-1006
https://doi.org/10.1115/1.4065287
Published Online: May 8, 2024
View Article titled, The Role of Turbulence Transport in Mechanical Energy Budgets
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Topics: Entropy, Pressure, Turbulence, Inflow, Energy dissipation, Kinetic energy
Journal Articles

A Data-Driven Approach for Generalizing the Laminar Kinetic Energy Model for Separation and Bypass Transition in Low- and High-Pressure Turbines

Yuan Fang, Yaomin Zhao, Harshal D. Akolekar, Andrew S. H. Ooi, Richard D. Sandberg, Roberto Pacciani, Michele Marconcini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091005.
Paper No: TURBO-23-1139
https://doi.org/10.1115/1.4065124
Published Online: April 4, 2024
View Article titled, A Data-Driven Approach for Generalizing the Laminar Kinetic Energy Model for Separation and Bypass Transition in Low- and High-Pressure Turbines
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Topics: Computational fluid dynamics, Kinetic energy, Pressure, Separation (Technology), Shear stress, Turbines, Turbulence, Wakes, High pressure (Physics), Flow (Dynamics)
Journal Articles

Aerodynamic and Thermal Field Development of Cooled Transonic HP NGV

Jonas Amend, Roderick Lubbock, Francesco Ornano, Nafiz Chowdhury, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021010.
Paper No: TURBO-23-1048
https://doi.org/10.1115/1.4063879
Published Online: November 16, 2023
View Article titled, Aerodynamic and Thermal Field Development of Cooled Transonic HP NGV
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Topics: Computational fluid dynamics, Flow (Dynamics), Kinetic energy, Nozzle guide vanes, Pressure, Wakes, Whirls, Temperature, Turbulence
Journal Articles

Experimental Validation of a Seal Flutter Model

Roque Corral, Michele Greco
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121010.
Paper No: TURBO-23-1174
https://doi.org/10.1115/1.4063514
Published Online: October 19, 2023
View Article titled, Experimental Validation of a Seal Flutter Model
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Topics: Cavities, Computational fluid dynamics, Engineering simulation, Flutter (Aerodynamics), Pressure, Simulation, Stability, Flow (Dynamics), Kinetic energy, Damping
Journal Articles

Experimental Study of Impact of In-Service Deterioration on Aerodynamic Performance of High-Pressure Nozzle Guide Vanes

Mathias Michaud, Dougal Jackson, Frédéric Goenaga, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061017.
Paper No: TURBO-21-1259
https://doi.org/10.1115/1.4056774
Published Online: March 2, 2023
View Article titled, Experimental Study of Impact of In-Service Deterioration on Aerodynamic Performance of High-Pressure Nozzle Guide Vanes
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Topics: Coolants, Film cooling, Flow (Dynamics), Pressure, Surface roughness, Kinetic energy, Nozzle guide vanes, Engines, Spallation (Nuclear physics), High pressure (Physics)
Journal Articles

Profile Loss Reduction of High-Lift Turbine Blades With Rough and Ribbed Surfaces

Ananth Sivaramakrishnan Malathi, Massimiliano Nardini, Aditya Vaid, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021001.
Paper No: TURBO-22-1214
https://doi.org/10.1115/1.4055501
Published Online: October 11, 2022
View Article titled, Profile Loss Reduction of High-Lift Turbine Blades With Rough and Ribbed Surfaces
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Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Suction, Surface roughness, Turbulence, Simulation, Skin friction (Fluid dynamics), Turbine blades, Shapes
Journal Articles

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101011.
Paper No: TURBO-22-1038
https://doi.org/10.1115/1.4054443
Published Online: June 16, 2022
View Article titled, The Effect of Inlet Conditions on Turbine Endwall Loss
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Topics: Boundary layers, Computational fluid dynamics, Flow (Dynamics), Kinetic energy, Vorticity, Shapes, Turbines, Design, Cascades (Fluid dynamics)
Journal Articles

Effect of the Axial Casing Groove Geometry on the Production and Distribution of Reynolds Stresses in the Tip Region of an Axial Compressor Rotor

Subhra Shankha Koley, Ayush Saraswat, Huang Chen, Joseph Katz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091007.
Paper No: TURBO-21-1216
https://doi.org/10.1115/1.4053566
Published Online: March 4, 2022
View Article titled, Effect of the Axial Casing Groove Geometry on the Production and Distribution of Reynolds Stresses in the Tip Region of an Axial Compressor Rotor
Open the PDF for Effect of the Axial Casing Groove Geometry on the Production and Distribution of Reynolds Stresses in the Tip Region of an Axial Compressor Rotor in another window
Topics: Blades, Flow (Dynamics), Stress, Turbulence, Rotors, Outflow, Shear (Mechanics), Compressors, Kinetic energy
Journal Articles

Effective Clearance and Differential Gapping Impact on Seal Flutter Modeling and Validation

Roque Corral, Michele Greco, Almudena Vega
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071010.
Paper No: TURBO-21-1238
https://doi.org/10.1115/1.4053290
Published Online: March 2, 2022
View Article titled, Effective Clearance and Differential Gapping Impact on Seal Flutter Modeling and Validation
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Topics: Cavities, Kinetic energy, Pressure, Stability, Clearances (Engineering), Simulation, Flutter (Aerodynamics), Flow (Dynamics), Discharge coefficient, Computational fluid dynamics
Journal Articles

Experimental and Numerical Analysis of Loss Characteristics of Cooled Transonic Nozzle Guide Vanes

Daniel Burdett, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051009.
Paper No: TURBO-21-1040
https://doi.org/10.1115/1.4053019
Published Online: January 13, 2022
View Article titled, Experimental and Numerical Analysis of Loss Characteristics of Cooled Transonic Nozzle Guide Vanes
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Topics: Computational fluid dynamics, Coolants, Flow (Dynamics), Kinetic energy, Mach number, Pressure, Reynolds-averaged Navier–Stokes equations, Wakes, Nozzle guide vanes, Simulation
Journal Articles

Turbulence Measurements at the Inlet of an Automotive Turbocharger Compressor Using Stereoscopic Particle Image Velocimetry

Deb Banerjee, Rick Dehner, Ahmet Selamet
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011002.
Paper No: TURBO-20-1284
https://doi.org/10.1115/1.4051712
Published Online: September 7, 2021
View Article titled, Turbulence Measurements at the Inlet of an Automotive Turbocharger Compressor Using Stereoscopic Particle Image Velocimetry
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Topics: Compressors, Flow (Dynamics), Kinetic energy, Surges, Turbulence, Stress, Particulate matter, Ducts, Turbochargers, Vorticity
Journal Articles

A Comparison of Volume of Fluid and Euler–Euler Approaches in Computational Fluid Dynamics Modeling of Two-Phase Flows With a Sharp Interface

Luc Bertolotti, Richard Jefferson Loveday, Stephen Ambrose, Evgenia Korsukova
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121005.
Paper No: TURBO-20-1253
https://doi.org/10.1115/1.4051554
Published Online: July 5, 2021
View Article titled, A Comparison of Volume of Fluid and Euler–Euler Approaches in Computational Fluid Dynamics Modeling of Two-Phase Flows With a Sharp Interface
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Topics: Aircraft engines, Bearings, Computational fluid dynamics, Flow (Dynamics), Fluids, Large eddy simulation, Modeling, Turbulence, Two-phase flow, Simulation
Journal Articles

Reynolds, Mach, and Freestream Turbulence Effects on the Flow in a Low-Pressure Turbine

Maxime Fiore, Nicolas Gourdain
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101009.
Paper No: TURBO-20-1393
https://doi.org/10.1115/1.4050919
Published Online: May 17, 2021
View Article titled, Reynolds, Mach, and Freestream Turbulence Effects on the Flow in a Low-Pressure Turbine
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Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Suction, Turbulence, Wakes, Turbines, Energy dissipation, Simulation
Journal Articles

A Machine-Learnt Wall Function for Rotating Diffusers

Lorenzo Tieghi, Alessandro Corsini, Giovanni Delibra, Francesco Aldo Tucci
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081012.
Paper No: TURBO-20-1368
https://doi.org/10.1115/1.4050442
Published Online: May 3, 2021
View Article titled, A Machine-Learnt Wall Function for Rotating Diffusers
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Topics: Algorithms, Computer simulation, Diffusers, Flow (Dynamics), Machinery, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Machine learning
Journal Articles

On the Identification and Decomposition of the Unsteady Losses in a Turbine Cascade

D. Lengani, D. Simoni, R. Pichler, R. D. Sandberg, V. Michelassi, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031005.
Paper No: TURBO-18-1252
https://doi.org/10.1115/1.4042164
Published Online: January 16, 2019
View Article titled, On the Identification and Decomposition of the Unsteady Losses in a Turbine Cascade
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Suction, Turbines, Turbulence, Wakes, Dynamics (Mechanics)
Journal Articles

Flow and Heat Transfer Analysis in a Single Row Narrow Impingement Channel: Comparison of Particle Image Velocimetry, Large Eddy Simulation, and RANS to Identify RANS Limitations

Jahed Hossain, Erik Fernandez, Christian Garrett, Jayanta Kapat
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2018, 140(3): 031010.
Paper No: TURBO-17-1215
https://doi.org/10.1115/1.4038711
Published Online: December 28, 2017
View Article titled, Flow and Heat Transfer Analysis in a Single Row Narrow Impingement Channel: Comparison of Particle Image Velocimetry, Large Eddy Simulation, and RANS to Identify RANS Limitations
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Topics: Flow (Dynamics), Heat transfer, Kinetic energy, Reynolds-averaged Navier–Stokes equations, Turbulence, Stress, Large eddy simulation, Particulate matter, Shear (Mechanics)
Journal Articles

Secondary Flow Control in Low Aspect Ratio Vanes Using Splitters

Christopher J. Clark, Graham Pullan, Eric Curtis, Frederic Goenaga
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2017, 139(9): 091003.
Paper No: TURBO-16-1304
https://doi.org/10.1115/1.4036190
Published Online: April 11, 2017
View Article titled, Secondary Flow Control in Low Aspect Ratio Vanes Using Splitters
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Topics: Boundary layers, Design, Flow (Dynamics), Kinetic energy, Nozzle guide vanes, Pressure, Turbines, Vortices, Geometry, Chords (Trusses)
Journal Articles

The Dissipation Function-Based Efficiency for Turbomachinery—Part I: The Efficiency of a Cooled Turbine Row

Chong M. Cha
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2017, 139(3): 031003.
Paper No: TURBO-16-1105
https://doi.org/10.1115/1.4034683
Published Online: November 16, 2016
View Article titled, The Dissipation Function-Based Efficiency for Turbomachinery—Part I: The Efficiency of a Cooled Turbine Row
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Topics: Coolants, Energy dissipation, Temperature, Turbines, Cooling, Pressure, Chemical reactions, Kinetic energy