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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

J. Turbomach. June 2023, 145(6): 061017.

Paper No: TURBO-21-1259

DOI: https://doi.org/10.1115/1.4056774

Published Online: March 2, 2023

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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

Heat Transfer and Pressure Loss of Additively Manufactured Internal Cooling Channels With Various Shapes

Alexander J. Wildgoose, Karen A. Thole

J. Turbomach. July 2023, 145(7): 071011.

Paper No: TURBO-22-1255

DOI: https://doi.org/10.1115/1.4056775

Published Online: February 10, 2023

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Topics: Friction, Heat transfer, Pressure, Shapes, Surface roughness, Reynolds number, Diamonds

Journal Articles

Impacts of Pin Fin Shape and Spacing on Heat Transfer and Pressure Losses

Thomas M. Corbett, Karen A. Thole, Sudhakar Bollapragada

J. Turbomach. May 2023, 145(5): 051014.

Paper No: TURBO-22-1200

DOI: https://doi.org/10.1115/1.4056092

Published Online: December 6, 2022

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Topics: Friction, Heat transfer, Pins (Engineering), Pressure, Shapes, Surface roughness, Flow (Dynamics), Diamonds, Additive manufacturing

Journal Articles

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

Mathias Michaud, Nafiz H. K. Chowdhury, Thomas Povey

J. Turbomach. February 2023, 145(2): 021014.

Paper No: TURBO-22-1017

DOI: https://doi.org/10.1115/1.4055864

Published Online: November 7, 2022

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Topics: Coolants, Cooling, Film cooling, Surface roughness, Temperature, Engines, Thermal barrier coatings, Heat transfer

Journal Articles

Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels

Alexander J. Wildgoose, Karen A. Thole, Ramesh Subramanian, Lisa Kersting, Anand Kulkarni

J. Turbomach. April 2023, 145(4): 041013.

Paper No: TURBO-22-1160

DOI: https://doi.org/10.1115/1.4055973

Published Online: November 7, 2022

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Topics: Surface roughness, Cooling, Wall thickness, Machinery, Lasers

Journal Articles

Amplitude and Wavelength Effects for Wavy Channels

Thomas M. Corbett, Karen A. Thole, Sudhakar Bollapragada

J. Turbomach. March 2023, 145(3): 031011.

Paper No: TURBO-22-1199

DOI: https://doi.org/10.1115/1.4055612

Published Online: October 20, 2022

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Topics: Flow (Dynamics), Friction, Heat transfer, Wavelength, Reynolds number, Computational fluid dynamics, Pressure, Surface roughness

Journal Articles

The Modeling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil

Grégory Delvaux, Riccardo Toracchio, Elissavet Boufidi, Emma Croner, Fabrizio Fontaneto

J. Turbomach. February 2023, 145(2): 021008.

Paper No: TURBO-22-1152

DOI: https://doi.org/10.1115/1.4055574

Published Online: October 12, 2022

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Topics: Surface roughness

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

J. Turbomach. February 2023, 145(2): 021001.

Paper No: TURBO-22-1214

DOI: https://doi.org/10.1115/1.4055501

Published Online: October 11, 2022

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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

Effect of a Ceramic Matrix Composite Surface on Film Cooling

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, Tyler Vincent, San Quach, Dominic Mongillo

J. Turbomach. August 2022, 144(8): 081014.

Paper No: TURBO-21-1222

DOI: https://doi.org/10.1115/1.4053842

Published Online: March 4, 2022

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Topics: Ceramic matrix composites, Computational fluid dynamics, Film cooling, Flow (Dynamics), Heat transfer, Temperature, Reynolds-averaged Navier–Stokes equations, Surface roughness, Coolants

Journal Articles

Calibration of a Computational Fluid Dynamics Methodology for the Simulation of Roughness Effects on Friction and Heat Transfer in Additive Manufactured Components

Lorenzo Mazzei, Riccardo Da Soghe, Cosimo Bianchini

J. Turbomach. August 2022, 144(8): 081002.

Paper No: TURBO-21-1242

DOI: https://doi.org/10.1115/1.4053493

Published Online: March 3, 2022

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Topics: Computational fluid dynamics, Friction, Heat transfer, Surface roughness, Calibration, Additive manufacturing, Simulation

Journal Articles

Erratum: “Scaling Roughness Effects on Pressure Loss and Heat Transfer of Additively Manufactured Channels” [J. Turbomach. 139(2), p. 021003; DOI: 10.1115/1.4034555 ]

Curtis K. Stimpson, Jacob C. Snyder, Karen A. Thole, Dominic Mongillo

J. Turbomach. April 2022, 144(4): 047001.

Paper No: TURBO-18-1242

DOI: https://doi.org/10.1115/1.4042129

Published Online: February 17, 2022

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Topics: Additive manufacturing, Heat transfer, Pressure, Surface roughness

Journal Articles

Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance

Peter F. Pelz, Sebastian Saul, Johannes Brötz

J. Turbomach. June 2022, 144(6): 061001.

Paper No: TURBO-20-1106

DOI: https://doi.org/10.1115/1.4053172

Published Online: January 28, 2022

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Topics: Fans, Flow (Dynamics), Friction, Mach number, Pressure, Reynolds number, Machinery, Impellers, Surface roughness

Journal Articles

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

Gabriel J. Stafford, Stephen T. McClain, David R. Hanson, Robert F. Kunz, Karen A. Thole

J. Turbomach. April 2022, 144(4): 041008.

Paper No: TURBO-21-1182

DOI: https://doi.org/10.1115/1.4052524

Published Online: November 10, 2021

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Topics: Convection, Friction, Heat transfer, Surface roughness, Aluminum, Additive manufacturing, Cooling

Journal Articles

The Influence of Deterministic Surface Roughness and Freestream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation

Christoph Gramespacher, Matthias Stripf, Hans-Jörg Bauer

J. Turbomach. April 2022, 144(4): 041001.

Paper No: TURBO-21-1127

DOI: https://doi.org/10.1115/1.4052458

Published Online: November 2, 2021

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Topics: Boundary layers, Heat transfer, Surface roughness, Turbulence, Reynolds number, Pressure, Suction

Journal Articles

Surface Roughness Impact on Boundary Layer Transition and Loss Mechanisms Over a Flat-Plate Under a Low-Pressure Turbine Pressure Gradient

Heechan Jeong, Seung Jin Song

J. Turbomach. January 2022, 144(1): 011005.

Paper No: TURBO-20-1298

DOI: https://doi.org/10.1115/1.4051937

Published Online: September 7, 2021

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Topics: Boundary layers, Surface roughness, Momentum, Turbulence, Shear stress, Turbines

Journal Articles

Investigating Gas Turbine Internal Cooling Using Supercritical CO 2 at Higher Reynolds Numbers for Direct Fired Cycle Applications

Matthew Searle, Arnab Roy, James Black, Douglas Straub, Sridharan Ramesh

J. Turbomach. January 2022, 144(1): 011007.

Paper No: TURBO-21-1148

DOI: https://doi.org/10.1115/1.4052138

Published Online: September 7, 2021

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Topics: Cooling, Flow (Dynamics), Friction, Gas turbines, Heat transfer, Reynolds number, Surface roughness, Computational fluid dynamics, Supercritical carbon dioxide, Uncertainty

Journal Articles

The Impact of Various Modeling Decisions on Flow Field Predictions in a Centrifugal Compressor

William J. Gooding, Matthew A. Meier, Nicole L. Key

J. Turbomach. October 2021, 143(10): 101006.

Paper No: TURBO-20-1390

DOI: https://doi.org/10.1115/1.4050674

Published Online: May 17, 2021

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Topics: Compressors, Diffusers, Flow (Dynamics), Heat transfer, Modeling, Pressure, Surface roughness, Turbulence, Simulation, Design

Journal Articles

The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients

Christoph Gramespacher, Holger Albiez, Matthias Stripf, Hans-Jörg Bauer

J. Turbomach. August 2021, 143(8): 081001.

Paper No: TURBO-20-1306

DOI: https://doi.org/10.1115/1.4050390

Published Online: April 21, 2021

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Topics: Heat transfer, Surface roughness, Thermal conductivity, Turbulence, Density

Journal Articles

Flow in a Simulated Turbine Blade Cooling Channel With Spatially Varying Roughness Caused by Additive Manufacturing Orientation

Stephen T. McClain, David R. Hanson, Emily Cinnamon, Jacob C. Snyder, Robert F. Kunz, Karen A. Thole

J. Turbomach. July 2021, 143(7): 071013.

Paper No: TURBO-20-1292

DOI: https://doi.org/10.1115/1.4050389

Published Online: April 19, 2021

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Topics: Surface roughness, Flow (Dynamics), Friction

Journal Articles

Impact of Additive Manufacturing on Internal Cooling Channels With Varying Diameters and Build Directions

Alexander J. Wildgoose, Karen A. Thole, Paul Sanders, Lieke Wang

J. Turbomach. July 2021, 143(7): 071003.

Paper No: TURBO-20-1283

DOI: https://doi.org/10.1115/1.4050336

Published Online: April 8, 2021

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Topics: Additive manufacturing, Cooling, Design, Friction, Heat transfer, Pressure, Shapes, Surface roughness, Reynolds number

2 3 4 5

Journal citation

NARROW

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

Heat Transfer and Pressure Loss of Additively Manufactured Internal Cooling Channels With Various Shapes

Impacts of Pin Fin Shape and Spacing on Heat Transfer and Pressure Losses

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

Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels

Amplitude and Wavelength Effects for Wavy Channels

The Modeling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil

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

Effect of a Ceramic Matrix Composite Surface on Film Cooling

Calibration of a Computational Fluid Dynamics Methodology for the Simulation of Roughness Effects on Friction and Heat Transfer in Additive Manufactured Components

Erratum: “Scaling Roughness Effects on Pressure Loss and Heat Transfer of Additively Manufactured Channels” [J. Turbomach. 139(2), p. 021003; DOI: 10.1115/1.4034555 ]

Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

The Influence of Deterministic Surface Roughness and Freestream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation

Surface Roughness Impact on Boundary Layer Transition and Loss Mechanisms Over a Flat-Plate Under a Low-Pressure Turbine Pressure Gradient

Investigating Gas Turbine Internal Cooling Using Supercritical CO 2 at Higher Reynolds Numbers for Direct Fired Cycle Applications

The Impact of Various Modeling Decisions on Flow Field Predictions in a Centrifugal Compressor

The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients

Flow in a Simulated Turbine Blade Cooling Channel With Spatially Varying Roughness Caused by Additive Manufacturing Orientation

Impact of Additive Manufacturing on Internal Cooling Channels With Varying Diameters and Build Directions

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