1-20 of 207
Karen A. Thole
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061003.
Paper No: TURBO-24-1168
https://doi.org/10.1115/1.4067034
Published Online: November 22, 2024
View Article titled, Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines
Open the PDF for Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines in another window
Topics: Blades, Flow (Dynamics), Pressure, Rotors, Turbines, Design, Geometry, Vortices
Journal Articles

Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061004.
Paper No: TURBO-24-1169
https://doi.org/10.1115/1.4067028
Published Online: November 22, 2024
View Article titled, Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines
Open the PDF for Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines in another window
Topics: Blades, Clearances (Engineering), Design, Flow (Dynamics), Geometry, Heat transfer, Optimization, Rotors, Turbines, Stress
Journal Articles

Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing

Nicholas L. Gailey, Michael D. Barringer, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061010.
Paper No: TURBO-24-1172
https://doi.org/10.1115/1.4067100
Published Online: November 22, 2024
View Article titled, Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing
Open the PDF for Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing in another window
Topics: Cooling, Flow (Dynamics), Film cooling
Journal Articles

Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils

Accepted Manuscript
Reid A. Berdanier, Margaret R. Nunn, Justin T. Brumberg, Michael D. Barringer, Scott Fishbone, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1199
https://doi.org/10.1115/1.4067177
Published Online: November 14, 2024
View Article titled, Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils
Open the PDF for Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils in another window
Topics: Additive manufacturing, Airfoils, Gas turbines, Thermocouples, Thin films, Turbines, Turbochargers, Sensors, Engines, Hardware
Journal Articles

Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes

Kelsey E. McCormack, Maria Rozman, Reid A. Berdanier, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041013.
Paper No: TURBO-24-1198
https://doi.org/10.1115/1.4066561
Published Online: November 12, 2024
View Article titled, Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes
Open the PDF for Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes in another window
Topics: Additive manufacturing, Blades, Cooling, Design, Electrical discharge machining, Film cooling, Flow (Dynamics), Manufacturing, Surface roughness, Turbine blades
Journal Articles

A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane

Reid A. Berdanier, Leland Tien, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051008.
Paper No: TURBO-24-1273
https://doi.org/10.1115/1.4066987
Published Online: November 12, 2024
View Article titled, A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane
Open the PDF for A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane in another window
Topics: Additive manufacturing, Airfoils, Design, Geometry, Pressure, Turbines, Flow (Dynamics), Digital engineering, Simulation, Hardware
Journal Articles

Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays

Accepted Manuscript
Thomas Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1196
https://doi.org/10.1115/1.4067124
Published Online: November 11, 2024
View Article titled, Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays
Open the PDF for Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays in another window
Topics: Diamonds, Flow (Dynamics), Heat transfer, Turbochargers, Pressure, Surface roughness, Computational fluid dynamics, Wakes, Additive manufacturing, Design
Journal Articles

Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine

Chad B. Schaeffer, Michael D. Barringer, Stephen P. Lynch, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031003.
Paper No: TURBO-24-1190
https://doi.org/10.1115/1.4066560
Published Online: October 8, 2024
View Article titled, Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine
Open the PDF for Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine in another window
Topics: Combustion chambers, Flow (Dynamics), Temperature, Turbines, Design, Computational fluid dynamics, Turbulence, Temperature profiles, Simulation, Engines
Journal Articles

Impacts of Material and Machine on the Variation of Additively Manufactured Cooling Channels

Abbigail Y. Altland, Thomas M. Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031006.
Paper No: TURBO-24-1178
https://doi.org/10.1115/1.4066580
Published Online: October 8, 2024
View Article titled, Impacts of Material and Machine on the Variation of Additively Manufactured Cooling Channels
Open the PDF for Impacts of Material and Machine on the Variation of Additively Manufactured Cooling Channels in another window
Topics: Cooling, Heat transfer, Machinery, Surface roughness, Additive manufacturing, Friction, Diamonds, surface morphology, Design, Geometry
Journal Articles

Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs

Thomas M. Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031007.
Paper No: TURBO-24-1197
https://doi.org/10.1115/1.4066581
Published Online: October 8, 2024
View Article titled, Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs
Open the PDF for Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs in another window
Topics: Design, Flow (Dynamics), Friction, Heat transfer, Pressure, Reynolds number, Surface roughness, Additive manufacturing
Proceedings Papers

Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils

Reid A. Berdanier, Margaret R. Nunn, Justin T. Brumberg, Michael D. Barringer, Scott Fishbone, Karen A. Thole
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124155
https://doi.org/10.1115/GT2024-124155
View Paper titled, Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils
Open the PDF for Evaluating Thin-Film Thermocouple Performance on Additively Manufactured Turbine Airfoils in another window
Topics: Additive manufacturing, Airfoils, Thermocouples, Thin films, Turbines, Sensors, Engines, Gas turbines, Hardware, Accuracy and precision
Proceedings Papers

Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing

Nicholas L. Gailey, Michael D. Barringer, Reid A. Berdanier, Karen A. Thole
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124085
https://doi.org/10.1115/GT2024-124085
View Paper titled, Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing
Open the PDF for Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing in another window
Topics: Additive manufacturing, Cooling, Turbines, Film cooling, Flow (Dynamics), Airfoils, Casting, Computerized tomography, Cross-flow, Engineering prototypes
Proceedings Papers

Dirt Ingestion Impacts on Cooling Within a Double-Walled Combustor Liner

Kyle McFerran, Karen A. Thole, Stephen P. Lynch
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T11A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124619
https://doi.org/10.1115/GT2024-124619
View Paper titled, Dirt Ingestion Impacts on Cooling Within a Double-Walled Combustor Liner
Open the PDF for Dirt Ingestion Impacts on Cooling Within a Double-Walled Combustor Liner in another window
Topics: Combustion chambers, Cooling, Flow (Dynamics), Particulate matter, Heat transfer coefficients, Pressure, Engines, Gas turbines, Heat transfer, Insulation
Proceedings Papers

Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine

Chad B. Schaeffer, Michael D. Barringer, Stephen P. Lynch, Karen A. Thole
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T11A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123899
https://doi.org/10.1115/GT2024-123899
View Paper titled, Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine
Open the PDF for Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine in another window
Topics: Flow (Dynamics), High pressure (Physics), Turbines, Temperature, Jets, Combustion chambers, Computational fluid dynamics, Shapes, Temperature profiles, Cooling
Proceedings Papers

Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes

Kelsey E. McCormack, Maria Rozman, Reid A. Berdanier, Karen A. Thole
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122559
https://doi.org/10.1115/GT2024-122559
View Paper titled, Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes
Open the PDF for Geometric and Flow Characterization of Additively Manufactured Turbine Blades With Drilled Film Cooling Holes in another window
Topics: Additive manufacturing, Film cooling, Flow (Dynamics), Turbine blades, Blades, Surface roughness, Cooling, Electrical discharge machining, Manufacturing, Casting
Proceedings Papers

Introduction of Axisymmetric Grooves As a Tip Seal Treatment for Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121398
https://doi.org/10.1115/GT2024-121398
View Paper titled, Introduction of Axisymmetric Grooves As a Tip Seal Treatment for Small-Core Turbines
Open the PDF for Introduction of Axisymmetric Grooves As a Tip Seal Treatment for Small-Core Turbines in another window
Topics: Turbines, Rotors, Blades, Flow (Dynamics), Architecture, Engines, Gas turbines, Geometry, High pressure (Physics), Leakage
Proceedings Papers

Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines

Connor J. Wiese, Reid A. Berdanier, Karen A. Thole
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124299
https://doi.org/10.1115/GT2024-124299
View Paper titled, Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines
Open the PDF for Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines in another window
Topics: Durability, Optimization, Turbines, Rotors, Clearances (Engineering), Blades, Design, Gas turbines, Geometry, Heat
Proceedings Papers

A Digital Engineering Analysis of an Additively Manufactured Turbine Vane

Reid A. Berdanier, Leland Tien, Karen A. Thole
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A050, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128894
https://doi.org/10.1115/GT2024-128894
View Paper titled, A Digital Engineering Analysis of an Additively Manufactured Turbine Vane
Open the PDF for A Digital Engineering Analysis of an Additively Manufactured Turbine Vane in another window
Topics: Additive manufacturing, Digital engineering, Turbines, Airfoils, Design, Industrial research, Manufacturing, Architecture, Computational fluid dynamics, Cooling
Proceedings Papers

Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs

Thomas M. Corbett, Karen A. Thole
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122792
https://doi.org/10.1115/GT2024-122792
View Paper titled, Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs
Open the PDF for Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs in another window
Topics: Additive manufacturing, Heat transfer, Pressure, Surface roughness, Flow (Dynamics), Geometry, Pressure drop, Computerized tomography, Cooling, Design
Proceedings Papers

Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays

Thomas M. Corbett, Karen A. Thole
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122539
https://doi.org/10.1115/GT2024-122539
View Paper titled, Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays
Open the PDF for Thermohydraulic Performance and Flow Structures of Diamond Pyramid Arrays in another window
Topics: Diamonds, Flow (Dynamics), Heat transfer, Pressure, Surface roughness, Wakes, Additive manufacturing, Design, Friction, Gas turbines