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David G. Bogard
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Proceedings Papers

Evaluations of Superposition Predictions of Adiabatic and Overall Effectiveness for Three Rows of Film Cooling Holes With Differing Hole Geometries

Molly E. Ellinger, Elise M. Flachs, Ameya N. Kulkarni, David G. Bogard
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128105
https://doi.org/10.1115/GT2024-128105
View Paper titled, Evaluations of Superposition Predictions of Adiabatic and Overall Effectiveness for Three Rows of Film Cooling Holes With Differing Hole Geometries
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Topics: Cooling, Film cooling
Proceedings Papers

Investigation of the Effects of Geometry Variations on the Performance of an Adjoint Optimized Film Cooling Hole

Molly E. Ellinger, Elise M. Flachs, David G. Bogard
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A040, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128042
https://doi.org/10.1115/GT2024-128042
View Paper titled, Investigation of the Effects of Geometry Variations on the Performance of an Adjoint Optimized Film Cooling Hole
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Topics: Film cooling, Geometry
Journal Articles

Considerations for Compressible Film Cooling: A Computational Study of the Effects of Transonic Flows and Varying Mainstream Mach Number

Dale W. Fox, Michael Furgeson, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121002.
Paper No: TURBO-23-1286
https://doi.org/10.1115/1.4065776
Published Online: July 15, 2024
View Article titled, Considerations for Compressible Film Cooling: A Computational Study of the Effects of Transonic Flows and Varying Mainstream Mach Number
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Topics: Film cooling, Flow (Dynamics), Mach number, Temperature, Coolants, Simulation
Journal Articles

Evaluation of Adjoint-Optimized Holes—Part I Baseline Performance

Daniel Gutierrez, Christopher Yoon, Michael T. Furgeson, Emma M. Veley, David G. Bogard, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111010.
Paper No: TURBO-22-1271
https://doi.org/10.1115/1.4056390
Published Online: June 27, 2024
View Article titled, Evaluation of Adjoint-Optimized Holes—Part I Baseline Performance
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Topics: Coolants, Cooling, Design, Discharge coefficient, Engines, Film cooling, Flow (Dynamics), Metals, Optimization
Journal Articles

Overall Cooling Effectiveness With Internal Serpentine Channels and Optimized Film Cooling Holes

Christopher Yoon, Elise M. Flachs, Molly E. Ellinger, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091002.
Paper No: TURBO-23-1218
https://doi.org/10.1115/1.4065027
Published Online: April 4, 2024
View Article titled, Overall Cooling Effectiveness With Internal Serpentine Channels and Optimized Film Cooling Holes
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Topics: Coolants, Cooling, Film cooling
Journal Articles

The Effects of Channel Supplies on Overall Film-Cooling Effectiveness

Emma M. Veley, Karen A. Thole, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031006.
Paper No: TURBO-23-1289
https://doi.org/10.1115/1.4063927
Published Online: November 16, 2023
View Article titled, The Effects of Channel Supplies on Overall Film-Cooling Effectiveness
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Topics: Cooling, Film cooling, Flow (Dynamics), Coolants
Proceedings Papers

Overall Cooling Effectiveness With Internal Serpentine Channels and Optimized Film Cooling Holes

Christopher Yoon, Elise M. Flachs, Molly R. Ellinger, David G. Bogard
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104171
https://doi.org/10.1115/GT2023-104171
View Paper titled, Overall Cooling Effectiveness With Internal Serpentine Channels and Optimized Film Cooling Holes
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Topics: Cooling, Film cooling
Proceedings Papers

Considerations for Compressible Film Cooling: A Computational Study of the Effects of Transonic Flows and Varying Mainstream Mach Number

Dale W. Fox, Michael Furgeson, David G. Bogard
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104049
https://doi.org/10.1115/GT2023-104049
View Paper titled, Considerations for Compressible Film Cooling: A Computational Study of the Effects of Transonic Flows and Varying Mainstream Mach Number
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Topics: Film cooling, Mach number, Transonic flow
Proceedings Papers

Experimental Study of Compressible Film Cooling Scaling and Hole Geometry

Dale W. Fox, Michael Furgeson, Elise M. Flachs, David G. Bogard
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104038
https://doi.org/10.1115/GT2023-104038
View Paper titled, Experimental Study of Compressible Film Cooling Scaling and Hole Geometry
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Topics: Film cooling, Gas turbines, Geometry, Mach number
Proceedings Papers

The Effects of Channel Supplies on Overall Film-Cooling Effectiveness

Emma M. Veley, Karen A. Thole, David G. Bogard
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103136
https://doi.org/10.1115/GT2023-103136
View Paper titled, The Effects of Channel Supplies on Overall Film-Cooling Effectiveness
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Topics: Film cooling, Cooling, Additive manufacturing, Diffusers, Durability, Engines, Gas turbines, Heat transfer, Temperature
Proceedings Papers

Evaluation of Pressure Drop and Cooling Effectiveness of Serpentine Channels With Varying Internal Rib Configurations

Christopher Yoon, Molly E. Ellinger, David G. Bogard
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104216
https://doi.org/10.1115/GT2023-104216
View Paper titled, Evaluation of Pressure Drop and Cooling Effectiveness of Serpentine Channels With Varying Internal Rib Configurations
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Topics: Cooling, Gas turbines, Pressure drop, Reynolds-averaged Navier–Stokes equations
Journal Articles

Experimental and Computational Investigation of Shaped Film Cooling Holes Designed to Minimize Inlet Separation

Fraser B. Jones, Dale W. Fox, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091007.
Paper No: TURBO-21-1007
https://doi.org/10.1115/1.4062460
Published Online: June 9, 2023
View Article titled, Experimental and Computational Investigation of Shaped Film Cooling Holes Designed to Minimize Inlet Separation
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Topics: Coolants, Film cooling, Flow (Dynamics), Separation (Technology), Diffusers, Temperature, Simulation
Journal Articles

Printability and Overall Cooling Performance of Additively Manufactured Holes With Inlet and Exit Rounding

Emma M. Veley, Karen A. Thole, Michael T. Furgeson, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031017.
Paper No: TURBO-22-1188
https://doi.org/10.1115/1.4056389
Published Online: January 6, 2023
View Article titled, Printability and Overall Cooling Performance of Additively Manufactured Holes With Inlet and Exit Rounding
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Topics: Cooling, Film cooling, Design, Coolants, Diffusers
Proceedings Papers

Evaluation of Adjoint Optimized Holes - Part I Baseline Performance

Daniel Gutierrez, Christopher Yoon, Michael T. Furgeson, Emma M. Veley, David G. Bogard, Karen A. Thole
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A044, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83436
https://doi.org/10.1115/GT2022-83436
View Paper titled, Evaluation of Adjoint Optimized Holes - Part I Baseline Performance
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Topics: Additive manufacturing, Computation, Coolants, Cooling, Cross-flow, Design, Engines, Film cooling, Flow (Dynamics), Gas turbines
Proceedings Papers

Evaluation of Adjoint Optimized Hole - Part II: Parameter Effects on Performance

Christopher Yoon, Daniel Gutierrez, Michael T. Furgeson, David G. Bogard
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A031, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82726
https://doi.org/10.1115/GT2022-82726
View Paper titled, Evaluation of Adjoint Optimized Hole - Part II: Parameter Effects on Performance
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Topics: Computation, Cross-flow, Density, Design, Engines, Film cooling, Flow (Dynamics), Fluid mechanics, Gas turbines, Heat transfer
Proceedings Papers

Development and Evaluation of Shaped Film Cooling Holes Designed for Additive Manufacturing

Michael T. Furgeson, Emma M. Veley, Christopher Yoon, Daniel Gutierrez, David G. Bogard, Karen A. Thole
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A041, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83201
https://doi.org/10.1115/GT2022-83201
View Paper titled, Development and Evaluation of Shaped Film Cooling Holes Designed for Additive Manufacturing
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Topics: Additive manufacturing, Film cooling
Proceedings Papers

Printability and Overall Cooling Performance of Additively Manufactured Holes With Inlet and Exit Rounding

Emma M. Veley, Karen A. Thole, Michael T. Furgeson, David G. Bogard
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A043, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83313
https://doi.org/10.1115/GT2022-83313
View Paper titled, Printability and Overall Cooling Performance of Additively Manufactured Holes With Inlet and Exit Rounding
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Topics: Additive manufacturing, Cooling, Design, Film cooling, Surface roughness, Convection, Coolants, Diffusers, Engines, Gas turbines
Journal Articles

Experimental and Computational Investigation of Film Cooling Performance and External Flowfield Effects Due to Impingement Coolant Feed in the Leading Edge of a Turbine Blade

Jacob D. Moore, Christopher C. Easterby, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091014.
Paper No: TURBO-21-1218
https://doi.org/10.1115/1.4053724
Published Online: March 16, 2022
View Article titled, Experimental and Computational Investigation of Film Cooling Performance and External Flowfield Effects Due to Impingement Coolant Feed in the Leading Edge of a Turbine Blade
Open the PDF for Experimental and Computational Investigation of Film Cooling Performance and External Flowfield Effects Due to Impingement Coolant Feed in the Leading Edge of a Turbine Blade in another window
Topics: Coolants, Film cooling, Flow (Dynamics), Blades
Journal Articles

Effects on Film Cooling Performance in the Showerhead From Geometric Parameterization of Shaped Hole Designs

Jacob D. Moore, Christopher C. Easterby, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091006.
Paper No: TURBO-21-1217
https://doi.org/10.1115/1.4053723
Published Online: March 4, 2022
View Article titled, Effects on Film Cooling Performance in the Showerhead From Geometric Parameterization of Shaped Hole Designs
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Topics: Coolants, Design, Film cooling, Flow (Dynamics), Blades, Temperature, Discharge coefficient, Diffusers
Journal Articles

Experimental and Computational Investigation of Integrated Internal and Film Cooling Designs Incorporating a Thermal Barrier Coating

Matthew J. Horner, Christopher Yoon, Michael Furgeson, Todd A. Oliver, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091001.
Paper No: TURBO-21-1147
https://doi.org/10.1115/1.4053840
Published Online: March 4, 2022
View Article titled, Experimental and Computational Investigation of Integrated Internal and Film Cooling Designs Incorporating a Thermal Barrier Coating
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Topics: Cooling, Film cooling, Thermal barrier coatings, Metals, Coolants, Flow (Dynamics)