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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

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 Framework for Estimating Effects of Combustor Turbulence on Turbine Profile Loss Generation

Kanika Gakhar, Masha Folk, Edward M. Greitzer, Choon S. Tan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031018.
Paper No: TURBO-22-1247
https://doi.org/10.1115/1.4056407
Published Online: January 6, 2023
View Article titled, A Framework for Estimating Effects of Combustor Turbulence on Turbine Profile Loss Generation
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Topics: Combustion chambers, Turbulence, Turbines, Free stream turbulence, Boundary layers, Energy dissipation
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

Accurate Prediction of Loss Using High Fidelity Methods

Pawel J. Przytarski, Andrew P. S. Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2021, 143(3): 031008.
Paper No: TURBO-20-1186
https://doi.org/10.1115/1.4050115
Published Online: March 1, 2021
View Article titled, Accurate Prediction of Loss Using High Fidelity Methods
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Topics: Entropy, Flow (Dynamics), Resolution (Optics), Turbulence, Compressors, Energy dissipation, Pressure
Journal Articles

Loss Analysis of Unsteady Turbomachinery Flows Based on the Mechanical Work Potential

John Leggett, Edward Richardson, Stephan Priebe, Aamir Shabbir, Vittorio Michelassi, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2020, 142(11): 111009.
Paper No: TURBO-20-1041
https://doi.org/10.1115/1.4048162
Published Online: October 16, 2020
View Article titled, Loss Analysis of Unsteady Turbomachinery Flows Based on the Mechanical Work Potential
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Topics: Blades, Compressors, Energy dissipation, Flow (Dynamics), Pressure, Simulation, Turbomachinery, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations
Journal Articles

Rapid Estimate of Wind Turbine Energy Loss Due to Blade Leading Edge Delamination Using Artificial Neural Networks

M. Sergio Campobasso, Anna Cavazzini, Edmondo Minisci
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2020, 142(7): 071002.
Paper No: TURBO-19-1260
https://doi.org/10.1115/1.4047186
Published Online: June 26, 2020
View Article titled, Rapid Estimate of Wind Turbine Energy Loss Due to Blade Leading Edge Delamination Using Artificial Neural Networks
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Topics: Airfoils, Blades, Computational fluid dynamics, Damage, Delamination, Geometry, Turbines, Wind turbines, Artificial neural networks, Energy dissipation
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

The Effect of Nonequilibrium Boundary Layers on Compressor Performance

Andrew P. S. Wheeler, Anthony M. J. Dickens, Robert J. Miller
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2018, 140(10): 101003.
Paper No: TURBO-18-1057
https://doi.org/10.1115/1.4040094
Published Online: September 28, 2018
View Article titled, The Effect of Nonequilibrium Boundary Layers on Compressor Performance
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Topics: Boundary layers, Compressors, Flow (Dynamics), Reynolds number, Shear (Mechanics), Simulation, Suction, Turbulence, Energy dissipation, Blades
Journal Articles

Endwall Loss in Turbine Cascades

John D. Coull
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2017, 139(8): 081004.
Paper No: TURBO-16-1281
https://doi.org/10.1115/1.4035663
Published Online: March 15, 2017
View Article titled, Endwall Loss in Turbine Cascades
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Topics: Blades, Boundary layers, Design, Flow (Dynamics), Pressure, Suction, Turbines, Energy dissipation
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
Journal Articles

Numerical Investigation of Three-Dimensional Separation in an Axial Flow Compressor: The Influence of Freestream Turbulence Intensity and Endwall Boundary Layer State

Ashley D. Scillitoe, Paul G. Tucker, Paolo Adami
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2017, 139(2): 021011.
Paper No: TURBO-16-1170
https://doi.org/10.1115/1.4034797
Published Online: October 26, 2016
View Article titled, Numerical Investigation of Three-Dimensional Separation in an Axial Flow Compressor: The Influence of Freestream Turbulence Intensity and Endwall Boundary Layer State
Open the PDF for Numerical Investigation of Three-Dimensional Separation in an Axial Flow Compressor: The Influence of Freestream Turbulence Intensity and Endwall Boundary Layer State in another window
Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Separation (Technology), Suction, Turbulence, Inflow, Compressors, Bubbles
Journal Articles

Direct Numerical Simulations of a High-Pressure Turbine Vane

Andrew P. S. Wheeler, Richard D. Sandberg, Neil D. Sandham, Richard Pichler, Vittorio Michelassi, Greg Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2016, 138(7): 071003.
Paper No: TURBO-15-1231
https://doi.org/10.1115/1.4032435
Published Online: February 17, 2016
View Article titled, Direct Numerical Simulations of a High-Pressure Turbine Vane
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Topics: Flow (Dynamics), Heat transfer, Suction, Turbines, Turbulence, Computer simulation, High pressure (Physics), Energy dissipation, Boundary layers, Mach number
Journal Articles

Heat Transfer in Reacting Cooling Films: Influence and Validation of Combustion Modeling in Numerical Simulations

Stephanie Pohl, Gabriele Frank, Michael Pfitzner
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2015, 137(8): 081003.
Paper No: TURBO-14-1284
https://doi.org/10.1115/1.4029350
Published Online: August 1, 2015
View Article titled, Heat Transfer in Reacting Cooling Films: Influence and Validation of Combustion Modeling in Numerical Simulations
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Topics: Combustion, Cooling, Modeling, Temperature, Turbulence, Coolants, Flow (Dynamics), Fuels, Equilibrium (Physics), Heat transfer
Journal Articles

Advanced Numerical Methods for the Prediction of Tonal Noise in Turbomachinery—Part II: Time-Linearized Methods

Christian Frey, Graham Ashcroft, Hans-Peter Kersken, Christian Weckmüller
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2014, 136(2): 021003.
Paper No: TURBO-12-1163
https://doi.org/10.1115/1.4024649
Published Online: September 26, 2013
View Article titled, Advanced Numerical Methods for the Prediction of Tonal Noise in Turbomachinery—Part II: Time-Linearized Methods
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Topics: Blades, Boundary-value problems, Flow (Dynamics), Noise (Sound), Pressure, Rotors, Stators, Turbomachinery, Waves, Simulation
Journal Articles

Characteristics of Turbulence in a Turbofan Stage

Jeremy Maunus, Sheryl Grace, Douglas Sondak, Victor Yakhot
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021024.
Paper No: TURBO-10-1232
https://doi.org/10.1115/1.4006774
Published Online: November 8, 2012
View Article titled, Characteristics of Turbulence in a Turbofan Stage
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Topics: Energy dissipation, Flow (Dynamics), Turbulence, Kinetic energy, Turbofans, Wire
Journal Articles

Identifying Turbulent Spots in Transitional Boundary Layers

Brendan Rehill, Ed J. Walsh, Luca Brandt, Philipp Schlatter, Tamer A. Zaki, Donald M. McEligot
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011019.
Paper No: TURBO-11-1121
https://doi.org/10.1115/1.4006395
Published Online: October 30, 2012
View Article titled, Identifying Turbulent Spots in Transitional Boundary Layers
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Topics: Boundary layers, Flow (Dynamics), Turbulence, Energy dissipation, Vortices
Journal Articles

Application of Endwall Contouring to Transonic Turbine Cascades: Experimental Measurements at Design Conditions

Farzad Taremi, Steen A. Sjolander, Thomas J. Praisner
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011031.
Paper No: TURBO-11-1179
https://doi.org/10.1115/1.4006565
Published Online: October 30, 2012
View Article titled, Application of Endwall Contouring to Transonic Turbine Cascades: Experimental Measurements at Design Conditions
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Topics: Blades, Flow (Dynamics), Pressure, Turbines, Design, Vortices, Boundary layers, Energy dissipation, Cascades (Fluid dynamics), Flow visualization
Journal Articles

Improving Efficiency of a High Work Turbine Using Nonaxisymmetric Endwalls—Part II: Time-Resolved Flow Physics

P. Schüpbach, R. S. Abhari, M. G. Rose, T. Germain, I. Raab, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021008.
https://doi.org/10.1115/1.3103926
Published Online: January 12, 2010
View Article titled, Improving Efficiency of a High Work Turbine Using Nonaxisymmetric Endwalls—Part II: Time-Resolved Flow Physics
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Topics: Energy dissipation, Flow (Dynamics), Pressure, Rotors, Stators, Turbines, Vortices, Vorticity, Physics, Blades
Journal Articles

Predicting Entropy Generation Rates in Transitional Boundary Layers Based on Intermittency

Kevin P. Nolan, Edmond J. Walsh, Donald M. McEligot, Ralph J. Volino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 512–517.
https://doi.org/10.1115/1.2720488
Published Online: July 25, 2006
View Article titled, Predicting Entropy Generation Rates in Transitional Boundary Layers Based on Intermittency
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Topics: Boundary layers, Energy dissipation, Entropy, Turbulence, Pressure gradient, Flow (Dynamics)