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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

On the Probabilistic Endurance Prediction Approach for Turbomachinery Blades and Vanes

Davendu Y. Kulkarni

J. Turbomach. June 2023, 145(6): 061011.

Paper No: TURBO-21-1276

DOI: https://doi.org/10.1115/1.4056511

Published Online: January 9, 2023

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Topics: Airfoils, Blades, Compressors, Damping, Design, Friction, High cycle fatigue, Simulation, Stress, Turbomachinery

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

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

Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

Nathaniel J. Tracy, Lesley M. Wright, Je-Chin Han

J. Turbomach. November 2022, 144(11): 111006.

Paper No: TURBO-21-1234

DOI: https://doi.org/10.1115/1.4054544

Published Online: July 21, 2022

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Topics: Fins, Flow (Dynamics), Friction, Heat transfer, Reynolds number, Strips

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

Cooling Performance of Additively Manufactured Pin Fins in Stacked Microchannels for the Inside-Out Ceramic Turbine Shroud-Cooling Ring

Patrick K. Dubois, Alexandre Landry-Blais, Rym Gazzah, Sani Sivić, Vladimir Brailovski, Mathieu Picard

J. Turbomach. July 2022, 144(7): 071004.

Paper No: TURBO-21-1219

DOI: https://doi.org/10.1115/1.4053232

Published Online: February 24, 2022

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Topics: Additive manufacturing, Cooling, Design, Fins, Flow (Dynamics), Friction, Heat transfer, Turbines, Ceramics, Pins (Engineering)

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

Optimization of Rib Shape and Inclination in a Square Duct With Response Surface Methodology

Yigang Luan, Lanyi Yan, Yue Yin, Hao Fu

J. Turbomach. May 2022, 144(5): 051007.

Paper No: TURBO-21-1066

DOI: https://doi.org/10.1115/1.4052988

Published Online: January 13, 2022

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Topics: Flow (Dynamics), Friction, Heat transfer, Optimization, Response surface methodology, Reynolds number, Shapes, Ducts, Cooling, Computational fluid dynamics

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

Impact of Ceramic Matrix Composite Topology on Friction Factor and Heat Transfer

Trevor M. Cory, Ryan D. Edelson, Karen A. Thole, Tyler Vincent, San Quach, Dominic Mongillo

J. Turbomach. March 2022, 144(3): 031003.

Paper No: TURBO-21-1164

DOI: https://doi.org/10.1115/1.4052355

Published Online: October 1, 2021

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Topics: Ceramic matrix composites, Computational fluid dynamics, Friction, Heat transfer, Reynolds number, Flow (Dynamics), Topology, Temperature, Pressure, Additive manufacturing

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

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

Journal Articles

Effects of Attack Angle and Relative Thickness of Novel Wing-Shaped Turbulators on Turbulent Hydrothermal Performance in a Two-Pass Square Channel

Tong-Miin Liou, Chieh-Chu Chen, Chun-Sheng Wang

J. Turbomach. April 2021, 143(4): 041003.

Paper No: TURBO-20-1225

DOI: https://doi.org/10.1115/1.4049614

Published Online: March 22, 2021

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Topics: Flow (Dynamics), Heat transfer, Turbulence, Wings, Friction, Pressure drop, Thermography

Journal Articles

Tailoring Surface Roughness Using Additive Manufacturing to Improve Internal Cooling

Jacob C. Snyder, Karen A. Thole

J. Turbomach. July 2020, 142(7): 071004.

Paper No: TURBO-19-1058

DOI: https://doi.org/10.1115/1.4047380

Published Online: June 30, 2020

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Topics: Cooling, Friction, Heat transfer, Surface roughness, Additive manufacturing, Geometry

Journal Articles

Multipass Serpentine Cooling Designs for Negating Coriolis Force Effect on Heat Transfer: 45-deg Angled Rib Turbulated Channels

Prashant Singh, Yongbin Ji, Srinath V. Ekkad

J. Turbomach. July 2019, 141(7): 071003.

Paper No: TURBO-18-1269

DOI: https://doi.org/10.1115/1.4042648

Published Online: February 15, 2019

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Topics: Heat transfer, Reynolds number, Cooling, Liquid crystals, Heat transfer coefficients, Coriolis force, Pressure, Flow (Dynamics), Buoyancy, Thermography

Journal Articles

Rib Turbulator Effects on Crossflow-Fed Shaped Film Cooling Holes

Dale W. Fox, Fraser B. Jones, John W. McClintic, David G. Bogard, Thomas E. Dyson, Zachary D. Webster

J. Turbomach. March 2019, 141(3): 031013.

Paper No: TURBO-18-1258

DOI: https://doi.org/10.1115/1.4041673

Published Online: January 21, 2019

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Topics: Coolants, Film cooling, Flow (Dynamics), Discharge coefficient, Friction

Journal Articles

Numerical Optimization, Characterization, and Experimental Investigation of Additively Manufactured Communicating Microchannels

Kathryn L. Kirsch, Karen A. Thole

J. Turbomach. November 2018, 140(11): 111003.

Paper No: TURBO-18-1205

DOI: https://doi.org/10.1115/1.4041494

Published Online: October 8, 2018

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Topics: Design, Flow (Dynamics), Friction, Heat transfer, Microchannels, Pressure, Reynolds number, Shapes, Surface roughness, Fluids

Journal Articles

Combined Airfoil and Snubber Design Optimization of Turbine Blades With Respect to Friction Damping

Matthias Hüls, Lars Panning-von Scheidt, Jörg Wallaschek

J. Turbomach. August 2018, 140(8): 081007.

Paper No: TURBO-18-1048

DOI: https://doi.org/10.1115/1.4040679

Published Online: July 26, 2018

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Topics: Airfoils, Blades, Damping, Design, Friction, Resonance, Optimization, Stiffness, Turbine blades, Chain

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Journal citation

NARROW

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

On the Probabilistic Endurance Prediction Approach for Turbomachinery Blades and Vanes

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

Amplitude and Wavelength Effects for Wavy Channels

Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

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

Cooling Performance of Additively Manufactured Pin Fins in Stacked Microchannels for the Inside-Out Ceramic Turbine Shroud-Cooling Ring

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

Optimization of Rib Shape and Inclination in a Square Duct With Response Surface Methodology

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

Impact of Ceramic Matrix Composite Topology on Friction Factor and Heat Transfer

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

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

Effects of Attack Angle and Relative Thickness of Novel Wing-Shaped Turbulators on Turbulent Hydrothermal Performance in a Two-Pass Square Channel

Tailoring Surface Roughness Using Additive Manufacturing to Improve Internal Cooling

Multipass Serpentine Cooling Designs for Negating Coriolis Force Effect on Heat Transfer: 45-deg Angled Rib Turbulated Channels

Rib Turbulator Effects on Crossflow-Fed Shaped Film Cooling Holes

Numerical Optimization, Characterization, and Experimental Investigation of Additively Manufactured Communicating Microchannels

Combined Airfoil and Snubber Design Optimization of Turbine Blades With Respect to Friction Damping

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