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Stephen T. McClain
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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
Journal: Journal of Turbomachinery
Article Type: Research Papers
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
Proceedings Papers

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
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A018, June 7–11, 2021
Paper No: GT2021-59684
DOI: https://doi.org/10.1115/GT2021-59684
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Topics: Additive manufacturing, Convection, Cooling, Surface roughness, Turbines, Aluminum, Friction, Compressibility, Computer numerical control machine tools, Drag (Fluid dynamics)
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
Journal: Journal of Turbomachinery
Article Type: Research Papers
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
Proceedings Papers

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
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A031, September 21–25, 2020
Paper No: GT2020-16069
DOI: https://doi.org/10.1115/GT2020-16069
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Topics: Additive manufacturing, Cooling, Flow (Dynamics), Surface roughness, Turbine blades, Turbulence, Friction, Computational fluid dynamics, Dimensions, Gravity (Force)
Journal Articles

Variation of Frost Roughness on a Flat Plate Under Forced Convection

Tongxin Zhang, Dennis L. O’Neal, Stephen T. McClain
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. February 2021, 13(1): 011020.
Paper No: TSEA-20-1111
DOI: https://doi.org/10.1115/1.4047570
Published Online: August 5, 2020
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Topics: Surface roughness, Temperature, Sands, Flat plates
Proceedings Papers

Flow in a Scaled Turbine Coolant Channel With Roughness due to Additive Manufacturing

David R. Hanson, Stephen T. McClain, Jacob C. Snyder, Robert F. Kunz, Karen A. Thole
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT21A004, June 17–21, 2019
Paper No: GT2019-90931
DOI: https://doi.org/10.1115/GT2019-90931
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Topics: Additive manufacturing, Coolants, Flow (Dynamics), Surface roughness, Turbines, Computational fluid dynamics, Friction, Internal flow, Simulation, Engines
Proceedings Papers

Comparison of Staggered and In-Line V-Shaped Dimple Arrays Using S-PIV

Charles P. Brown, Lesley M. Wright, Stephen T. McClain
Proc. ASME. GT2015, Volume 5A: Heat Transfer, V05AT11A031, June 15–19, 2015
Paper No: GT2015-43499
DOI: https://doi.org/10.1115/GT2015-43499
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Topics: Cooling, Flow (Dynamics), Geometry, Heat transfer, Internal flow, Particulate matter, Pressure, Pressure drop, Reynolds number
Proceedings Papers

Characterization of Turbine Vane Roughness Variations Using Self-Organizing Maps

Stephen T. McClain
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT13A004, June 15–19, 2015
Paper No: GT2015-42242
DOI: https://doi.org/10.1115/GT2015-42242
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Topics: Self-organization, Surface roughness, Turbines, Blades, Engines, Lasers, Tunnels, Cascades (Fluid dynamics), Flow (Dynamics), Geometry
Proceedings Papers

The Many Faces of Turbine Surface Roughness

Jeffrey P. Bons, Robert P. Taylor, Stephen T. McClain, Richard B. Rivir
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A042, June 4–7, 2001
Paper No: 2001-GT-0163
DOI: https://doi.org/10.1115/2001-GT-0163
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Topics: Surface roughness, Turbines, Coating processes, Coatings, Computation, Erosion, Film cooling, Pressure, Spallation (Nuclear physics), Suction
Proceedings Papers

Assessment of a Double Hole Film Cooling Geometry Using S-PIV and PSP

Lesley M. Wright, Stephen T. McClain, Charles P. Brown, Weston V. Harmon
Proc. ASME. GT2013, Volume 3B: Heat Transfer, V03BT13A024, June 3–7, 2013
Paper No: GT2013-94614
DOI: https://doi.org/10.1115/GT2013-94614
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Topics: Film cooling, Geometry, Flow (Dynamics), Vortices, Coolants, Jets, Cooling, Density, Fluids, Kidney
Journal Articles

Turbulent Convection From Deterministic Roughness Distributions With Varying Thermal Conductivities

Steven R. Mart, Graduate Student, Stephen T. McClain, Assistant Professor, Lesley M. Wright, Assistant Professor
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2012, 134(5): 051030.
DOI: https://doi.org/10.1115/1.4004751
Published Online: September 1, 2012
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Topics: Convection, Surface roughness, Thermal conductivity, Turbulence
Proceedings Papers

Design Considerations, Performance Enhancing Techniques, and Wind Tunnel Testing for Small-Scale, Low Reynolds Number Wind Turbines

Jason R. Gregg, Timothy A. Burdett, Kenneth W. Van Treuren, Stephen T. McClain
Proc. ASME. IMECE2011, Volume 6: Fluids and Thermal Systems; Advances for Process Industries, Parts A and B, 1263-1274, November 11–17, 2011
Paper No: IMECE2011-65351
DOI: https://doi.org/10.1115/IMECE2011-65351
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Topics: Design, Reynolds number, Testing, Wind tunnels, Wind turbines, Blades, Airfoils, Surface roughness, Wind, Drag (Fluid dynamics)
Proceedings Papers

The Use of Mathcad Functions in Teaching an Undergraduate Aerospace Propulsion Course

Kevin H. Macfarlan, Stephen T. McClain
Proc. ASME. GT2011, Volume 3: Controls, Diagnostics and Instrumentation; Education; Electric Power; Microturbines and Small Turbomachinery; Solar Brayton and Rankine Cycle, 505-510, June 6–10, 2011
Paper No: GT2011-46097
DOI: https://doi.org/10.1115/GT2011-46097
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Topics: Aerospace industry, Propulsion, Teaching, Undergraduate students, Students, Algorithms, Bridges (Structures), Computers, Engines, Feedback
Proceedings Papers

Turbulent Convection From Deterministic Roughness Distributions With Varying Thermal Conductivities

Steven R. Mart, Stephen T. McClain, Lesley M. Wright
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1043-1055, June 6–10, 2011
Paper No: GT2011-45146
DOI: https://doi.org/10.1115/GT2011-45146
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Topics: Convection, Surface roughness, Turbulence, Plates (structures), Thermal conductivity, Discrete element methods, Reynolds number, Wind tunnels, Flow (Dynamics), Temperature
Proceedings Papers

PIV Investigation of the Effect of Freestream Turbulence Intensity on Film Cooling From Fanshaped Holes

Lesley M. Wright, Stephen T. McClain, Michael D. Clemenson
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 493-507, June 6–10, 2011
Paper No: GT2011-46127
DOI: https://doi.org/10.1115/GT2011-46127
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Topics: Film cooling, Turbulence, Coolants, Flow (Dynamics), Cooling, Jets, Momentum, Design, Flat plates, Flow measurement
Proceedings Papers

Protuberances in a Turbulent Thermal Boundary Layer

Steven R. Mart, Stephen T. McClain
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1079-1094, June 6–10, 2011
Paper No: GT2011-45180
DOI: https://doi.org/10.1115/GT2011-45180
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Topics: Thermal boundary layers, Turbulence, Temperature, Boundary layers, Heat flux, Heat transfer, Shapes, Transients (Dynamics), Flat plates, Fluids
Journal Articles

Protuberances in a Turbulent Thermal Boundary Layer

Steven R. Mart, Stephen T. McClain
Journal: Journal of Heat Transfer
Article Type: Research Papers
J. Heat Transfer. January 2012, 134(1): 011902.
DOI: https://doi.org/10.1115/1.4004716
Published Online: November 21, 2011
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Topics: Boundary layers, Surface roughness, Temperature, Thermal boundary layers, Thermal conductivity, Turbulence, Heat transfer, Convection, Fluids, Thermocouples
Journal Articles

Effect of Freestream Turbulence Intensity on Film Cooling Jet Structure and Surface Effectiveness Using PIV and PSP

Lesley M. Wright, Stephen T. McClain, Michael D. Clemenson
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041023.
DOI: https://doi.org/10.1115/1.4003051
Published Online: April 26, 2011
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Topics: Cooling, Film cooling, Flow (Dynamics), Turbulence, Coolants, Jets
Journal Articles

Effect of Density Ratio on Flat Plate Film Cooling With Shaped Holes Using PSP

Lesley M. Wright, Stephen T. McClain, Michael D. Clemenson
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041011.
DOI: https://doi.org/10.1115/1.4002988
Published Online: April 21, 2011
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Topics: Film cooling, Density, Turbulence, Coolants, Flat plates
Proceedings Papers

Effect of Density Ratio on Flat Plate Film Cooling With Shaped Holes Using PSP

Lesley M. Wright, Stephen T. McClain, Michael D. Clemenson
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1691-1702, June 14–18, 2010
Paper No: GT2010-23053
DOI: https://doi.org/10.1115/GT2010-23053
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Topics: Density, Film cooling, Flat plates, Turbulence, Coolants, Geometry, Flow (Dynamics), Momentum, Pressure