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Journal Articles

Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade

Massimiliano Nardini, Thomas O. Jelly, Melissa Kozul, Richard D. Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031009.
Paper No: TURBO-23-1225
https://doi.org/10.1115/1.4063974
Published Online: December 4, 2023
View Article titled, Direct Numerical Simulation of Transitional and Turbulent Flows Over Multi-Scale Surface Roughness—Part II: The Effect of Roughness on the Performance of a High-Pressure Turbine Blade
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Topics: Blades, Boundary layers, Surface roughness, Turbulence, Computer simulation, Turbine blades, High pressure (Physics), Flow (Dynamics), Heat flux, Wakes
Journal Articles

Assessment of the DDES- γ Model for the Simulation of a Highly Loaded Turbine Cascade

Nima Fard Afshar, Felix M. Möller, Stefan Henninger, Dragan Kožulović, Christian Morsbach, Patrick Bechlars, Peter Jeschke
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011011.
Paper No: TURBO-23-1219
https://doi.org/10.1115/1.4064079
Published Online: November 30, 2023
View Article titled, Assessment of the DDES- γ Model for the Simulation of a Highly Loaded Turbine Cascade
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Topics: Boundary layers, Cascades (Fluid dynamics), Delay differential equations, Pressure, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Simulation, Suction, Turbines, Turbulence
Journal Articles

EFFECTS OF RIBLET DIMENSIONS ON THE TRANSITIONAL BOUNDARY LAYERS OVER HIGH-LIFT TURBINE BLADES

Accepted Manuscript
Ananth Sivaramakrishnan Malathi, Massimiliano Nardini, Aditya Vaid, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1250
https://doi.org/10.1115/1.4064087
Published Online: November 17, 2023
View Article titled, EFFECTS OF RIBLET DIMENSIONS ON THE TRANSITIONAL BOUNDARY LAYERS OVER HIGH-LIFT TURBINE BLADES
Open the PDF for EFFECTS OF RIBLET DIMENSIONS ON THE TRANSITIONAL BOUNDARY LAYERS OVER HIGH-LIFT TURBINE BLADES in another window
Topics: Boundary layers, Dimensions, Turbine blades, Turbochargers
Journal Articles

Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location

Xianjun Yu, Shouyang Zhao, Guangfeng An, Yuhang Xu, Xiaobin Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031007.
Paper No: TURBO-22-1111
https://doi.org/10.1115/1.4063973
Published Online: November 16, 2023
View Article titled, Experimental Investigations on the Effects of Surface Roughness for Compressor Cascades With Different Roughness Magnitude and Location
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Topics: Blades, Flow (Dynamics), Pressure, Surface roughness, Compressors, Cascades (Fluid dynamics), Suction, Boundary layers
Journal Articles

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects

Christian Morsbach, Michael Bergmann, Adem Tosun, Bjoern F. Klose, Patrick Bechlars, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021007.
Paper No: TURBO-23-1165
https://doi.org/10.1115/1.4063511
Published Online: November 13, 2023
View Article titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects in another window
Topics: Blades, Flow (Dynamics), Pressure, Wakes, Boundary layers, Turbulence, Suction, Reynolds number, Inflow, Generators
Journal Articles

Tail-Integrated Boundary Layer Ingesting Propulsion Systems for Turbo-Electric Aircraft

Zhibo Chen, Marshall C. Galbraith, Zoltán S. Spakovszky, Edward M. Greitzer, Jayant S. Sabnis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021004.
Paper No: TURBO-23-1234
https://doi.org/10.1115/1.4063930
Published Online: November 8, 2023
View Article titled, Tail-Integrated Boundary Layer Ingesting Propulsion Systems for Turbo-Electric Aircraft
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Topics: Aircraft, Boundary layers, Design, Flow (Dynamics), Nozzles, Propulsion systems, Mach number
Journal Articles

Validation of Filtered Rayleigh Scattering Optical Rake Measurement Techniques in Turbomachinery Applications and Boundary Layers

Sean W. Powers, Gwibo Byun, K. Todd Lowe
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011006.
Paper No: TURBO-23-1196
https://doi.org/10.1115/1.4063562
Published Online: October 25, 2023
View Article titled, Validation of Filtered Rayleigh Scattering Optical Rake Measurement Techniques in Turbomachinery Applications and Boundary Layers
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Topics: Boundary layers, Probes, Rayleigh scattering, Turbomachinery, Uncertainty, Temperature, Simulation, Lasers, Pressure, Resolution (Optics)
Journal Articles

Direct Numerical Simulation of a High-Pressure Turbine Stage: Unsteady Boundary Layer Transition and the Resulting Flow Structures

Taiyang Wang, Yaomin Zhao, John Leggett, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121009.
Paper No: TURBO-23-1160
https://doi.org/10.1115/1.4063510
Published Online: October 19, 2023
View Article titled, Direct Numerical Simulation of a High-Pressure Turbine Stage: Unsteady Boundary Layer Transition and the Resulting Flow Structures
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Topics: Boundary layers, Flow (Dynamics), Turbulence, Wakes, Suction, Blades, Rotors, Turbines
Journal Articles

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101009.
Paper No: TURBO-22-1292
https://doi.org/10.1115/1.4063049
Published Online: August 16, 2023
View Article titled, Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flat plates, Geometry, Pressure, Reynolds number, Suction, Turbines, Turbulence
Journal Articles

Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil

Pradeep Singh, S. Sarkar
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111001.
Paper No: TURBO-23-1047
https://doi.org/10.1115/1.4063048
Published Online: August 16, 2023
View Article titled, Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil
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Topics: Airfoils, Bubbles, Excitation, Flow (Dynamics), Separation (Technology), Shear (Mechanics), Turbulence, Fluctuations (Physics), Boundary layers
Journal Articles

An Insight into Quasi-Two-Dimensional Flow Features Over Turbine Blading From the Works of Jonathan Paul Gostelow

Aldo Rona, David S. Adebayo, Jonathan Paul Gostelow
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Review Articles
J. Turbomach. September 2023, 145(9): 090801.
Paper No: TURBO-22-1290
https://doi.org/10.1115/1.4062552
Published Online: June 9, 2023
View Article titled, An Insight into Quasi-Two-Dimensional Flow Features Over Turbine Blading From the Works of Jonathan Paul Gostelow
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Topics: Blades, Boundary layers, Flow (Dynamics), Separation (Technology), Turbomachinery, Turbulence, Vortex shedding, Pressure, Vorticity, Shock (Mechanics)
Journal Articles

Importance of Nonequilibrium Modeling for Compressors

Robert Spencer, Pawel Przytarski, Paolo Adami, Patrick Grothe, Andrew Wheeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041017.
Paper No: TURBO-22-1001
https://doi.org/10.1115/1.4054813
Published Online: March 2, 2023
View Article titled, Importance of Nonequilibrium Modeling for Compressors
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Compressors, Equilibrium (Physics), Modeling, Reynolds-averaged Navier–Stokes equations, Shapes, Simulation, Suction
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

Impact of Trailing Edge Overhang Length on the Loss Characteristics of Fully Cooled Transonic Nozzle Guide Vanes

Daniel Burdett, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051012.
Paper No: TURBO-21-1060
https://doi.org/10.1115/1.4056056
Published Online: December 6, 2022
View Article titled, Impact of Trailing Edge Overhang Length on the Loss Characteristics of Fully Cooled Transonic Nozzle Guide Vanes
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Topics: Boundary layers, Computational fluid dynamics, Flow (Dynamics), Geometry, Pressure, Vortex shedding, Wakes, Coolants, Design, Nozzle guide vanes
Journal Articles

Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients

Ralph J. Volino, Matthew C. Gillcrist
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061003.
Paper No: TURBO-22-1195
https://doi.org/10.1115/1.4056205
Published Online: December 6, 2022
View Article titled, Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients
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Topics: Boundary layers, Film cooling, Flow (Dynamics), Jets, Pressure gradient, Temperature, Heat transfer, Turbulence
Journal Articles

Effects of Upstream Wakes on the Boundary Layer Over a Low-Pressure Turbine Blade

Luca De Vincentiis, Kristina Ðurović, Davide Lengani, Daniele Simoni, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051011.
Paper No: TURBO-22-1239
https://doi.org/10.1115/1.4056108
Published Online: November 25, 2022
View Article titled, Effects of Upstream Wakes on the Boundary Layer Over a Low-Pressure Turbine Blade
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Topics: Blades, Boundary layers, Cylinders, Flow (Dynamics), Pressure, Suction, Turbine blades, Turbulence, Wakes, Boundary-value problems
Journal Articles

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

A. D. Rossiter, G. Pullan, A. P. Melzer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041008.
Paper No: TURBO-22-1242
https://doi.org/10.1115/1.4055868
Published Online: November 7, 2022
View Article titled, The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades
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Topics: Boundary layers, Flow (Dynamics), Mach number, Pressure, Reynolds number, Switches, Vortex shedding, Wedges, Design, Turbine blades
Journal Articles

Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade

Matteo Dellacasagrande, Davide Lengani, Ettore Bertolini, Wolfgang Sanz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041015.
Paper No: TURBO-22-1281
https://doi.org/10.1115/1.4055971
Published Online: November 7, 2022
View Article titled, Correlated Pressure–Velocity Instability in a Transonic High-Pressure Turbine Blade
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Topics: Boundary layers, Pressure, Fluctuations (Physics), Blades, Flow (Dynamics), Large eddy simulation, Suction, Turbulence, Principal component analysis
Journal Articles

The Effect of Reaction on Compressor Performance

Krishan S. Chana, Robert J. Miller
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021012.
Paper No: TURBO-20-1233
https://doi.org/10.1115/1.4049914
Published Online: October 20, 2022
View Article titled, The Effect of Reaction on Compressor Performance
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Topics: Blades, Boundary layers, Compressors, Computational fluid dynamics, Design, Pressure, Rotation, Rotors, Stators, Flow (Dynamics)
Journal Articles

Low Reynolds Number Effects on the Endwall Flow Field in a High-Lift Turbine Passage

Molly H. Donovan, Markus P. Rumpfkeil, Christopher R. Marks, Zachary Robison, Andreas Gross
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031006.
Paper No: TURBO-22-1221
https://doi.org/10.1115/1.4055646
Published Online: October 17, 2022
View Article titled, Low Reynolds Number Effects on the Endwall Flow Field in a High-Lift Turbine Passage
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Topics: Flow (Dynamics), Pressure, Reynolds number, Vortices, Boundary layers, Turbines