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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
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Topics: Combustion chambers, Flow (Dynamics), Temperature, Turbines, Design, Computational fluid dynamics, Turbulence, Temperature profiles, Simulation, Engines
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
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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

The Impact of Multi-Scale Ceramic Matrix Composite Roughness on Heat Transfer and Boundary Layer Behavior

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102031
https://doi.org/10.1115/GT2023-102031
View Paper titled, The Impact of Multi-Scale Ceramic Matrix Composite Roughness on Heat Transfer and Boundary Layer Behavior
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Topics: Boundary layers, Ceramic matrix composites, Heat transfer, Surface roughness, Turbines, Convection, Satin, Twill, Cycles, Density
Proceedings Papers

Comparison of Dirt Deposition on Double-Walled Combustor Liner Geometries

Brandon Fallon, Kyle McFerran, Sarah Fox, Karen A. Thole, Stephen P. Lynch, Ryan Lundgreen, Stephen P. Kramer
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT31A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102635
https://doi.org/10.1115/GT2023-102635
View Paper titled, Comparison of Dirt Deposition on Double-Walled Combustor Liner Geometries
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Topics: Combustion chambers, Cooling, Flow (Dynamics), Particulate matter, Slug flows, Gas turbines, Geometry, Heat transfer, Internal flow, Pins (Engineering)
Proceedings Papers

Experimental Investigation Into the Effect of a Ceramic Matrix Composite Surface on Film Cooling

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, Tyler Vincent, San Quach, Eleanor Kaufman
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A038, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83109
https://doi.org/10.1115/GT2022-83109
View Paper titled, Experimental Investigation Into the Effect of a Ceramic Matrix Composite Surface on Film Cooling
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Topics: Ceramic matrix composites, Film cooling, Turbulence, Boundary layers, Temperature, Topology, Composite materials, Coolants, Density, Fibers
Journal Articles

Experimental Investigation Into the Effect of a Ceramic Matrix Composite Surface on Film Cooling

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, Tyler Vincent, San Quach, Eleanor Kaufman
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121006.
Paper No: TURBO-22-1145
https://doi.org/10.1115/1.4055332
Published Online: September 15, 2022
View Article titled, Experimental Investigation Into the Effect of a Ceramic Matrix Composite Surface on Film Cooling
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Topics: Ceramic matrix composites, Coolants, Film cooling, Turbulence, Cooling
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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081014.
Paper No: TURBO-21-1222
https://doi.org/10.1115/1.4053842
Published Online: March 4, 2022
View Article titled, Effect of a Ceramic Matrix Composite Surface on Film Cooling
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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
Proceedings Papers

Effect of a Ceramic Matrix Composite Surface on Film Cooling

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, San Quach, Tyler Vincent, Dominic Mongillo
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A020, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59602
https://doi.org/10.1115/GT2021-59602
View Paper titled, Effect of a Ceramic Matrix Composite Surface on Film Cooling
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Topics: Ceramic matrix composites, Film cooling, Temperature, Flow (Dynamics), Gas turbines, Simulation, Turbines, Computational fluid dynamics, Convection, Cooling
Journal Articles

Experimental Heat Transfer and Boundary Layer Measurements on a Ceramic Matrix Composite Surface

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, San Quach, Tyler Vincent
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061010.
Paper No: TURBO-20-1399
https://doi.org/10.1115/1.4050314
Published Online: April 8, 2021
View Article titled, Experimental Heat Transfer and Boundary Layer Measurements on a Ceramic Matrix Composite Surface
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Topics: Boundary layers, Ceramic matrix composites, Heat transfer, Flow (Dynamics)
Proceedings Papers

Large Eddy Simulation of the 7-7-7 Shaped Film Cooling Hole at Axial and Compound Angle Orientations

Kevin Tracy, Stephen P. Lynch
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14439
https://doi.org/10.1115/GT2020-14439
View Paper titled, Large Eddy Simulation of the 7-7-7 Shaped Film Cooling Hole at Axial and Compound Angle Orientations
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Topics: Film cooling, Large eddy simulation
Proceedings Papers

Experimental Heat Transfer and Boundary Layer Measurements on a Ceramic Matrix Composite Surface

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole, San Quach, Tyler Vincent
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15053
https://doi.org/10.1115/GT2020-15053
View Paper titled, Experimental Heat Transfer and Boundary Layer Measurements on a Ceramic Matrix Composite Surface
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Topics: Boundary layers, Ceramic matrix composites, Heat transfer, Airfoils, Design, Flow (Dynamics), Gas turbines, Materials properties, Thermal properties, Weight (Mass)
Journal Articles

Heat Transfer and Film Cooling on a Contoured Blade Endwall With Platform Gap Leakage

Stephen P. Lynch, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2017, 139(5): 051002.
Paper No: TURBO-15-1268
https://doi.org/10.1115/1.4035202
Published Online: January 24, 2017
View Article titled, Heat Transfer and Film Cooling on a Contoured Blade Endwall With Platform Gap Leakage
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Topics: Blades, Film cooling, Flow (Dynamics), Heat transfer, Leakage, Leakage flows, Cascades (Fluid dynamics), Coolants, Cavities
Journal Articles

Comparison of the Three-Dimensional Boundary Layer on Flat Versus Contoured Turbine Endwalls

Stephen P. Lynch, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2016, 138(4): 041008.
Paper No: TURBO-15-1245
https://doi.org/10.1115/1.4032165
Published Online: January 5, 2016
View Article titled, Comparison of the Three-Dimensional Boundary Layer on Flat Versus Contoured Turbine Endwalls
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Topics: Boundary layers, Flow (Dynamics), Vortices, Heat transfer, Cascades (Fluid dynamics), Turbines, Turbulence
Proceedings Papers

Comparison of the Three-Dimensional Boundary Layer on Flat Versus Contoured Turbine Endwalls

Stephen P. Lynch, Karen A. Thole
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT13A019, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43298
https://doi.org/10.1115/GT2015-43298
View Paper titled, Comparison of the Three-Dimensional Boundary Layer on Flat Versus Contoured Turbine Endwalls
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Topics: Boundary layers, Turbines, Heat transfer, Vortices, Friction, Heat transfer coefficients, Interferometry, Lasers, Pressure gradient, Turbine blades
Proceedings Papers

Heat Transfer and Film Cooling on a Contoured Blade Endwall With Platform Gap Leakage

Stephen P. Lynch, Karen A. Thole
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT12A037, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43301
https://doi.org/10.1115/GT2015-43301
View Paper titled, Heat Transfer and Film Cooling on a Contoured Blade Endwall With Platform Gap Leakage
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Topics: Blades, Film cooling, Heat transfer, Leakage, Leakage flows, Turbine blades, Cavities, Cooling, Engines, Heat transfer coefficients
Proceedings Papers

Endwall Heat Transfer for a Turbine Blade With an Upstream Cavity and Rim Seal Leakage

Stephen P. Lynch, Karen A. Thole, Atul Kohli, Christopher Lehane, Tom Praisner
Proc. ASME. GT2013, Volume 3C: Heat Transfer, V03CT14A015, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94942
https://doi.org/10.1115/GT2013-94942
View Paper titled, Endwall Heat Transfer for a Turbine Blade With an Upstream Cavity and Rim Seal Leakage
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Topics: Cavities, Heat transfer, Leakage, Turbine blades, Flow (Dynamics), Blades, Leakage flows, Vortex flow, Airfoils, Clearances (Engineering)
Proceedings Papers

Aerodynamic Loss for a Turbine Blade With Endwall Leakage Features and Contouring

Stephen P. Lynch, Karen A. Thole, Atul Kohli, Christopher Lehane, Tom Praisner
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT36A022, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94943
https://doi.org/10.1115/GT2013-94943
View Paper titled, Aerodynamic Loss for a Turbine Blade With Endwall Leakage Features and Contouring
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Topics: Leakage, Turbine blades, Blades, Flow (Dynamics), Clearances (Engineering), Leakage flows, Cascades (Fluid dynamics), Engines, Rotors, Stators
Proceedings Papers

Simulations of Multi-Phase Particle Deposition on a Non-Axisymmetric Contoured Endwall With Film-Cooling

Seth A. Lawson, Stephen P. Lynch, Karen A. Thole
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 891-902, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68174
https://doi.org/10.1115/GT2012-68174
View Paper titled, Simulations of Multi-Phase Particle Deposition on a Non-Axisymmetric Contoured Endwall With Film-Cooling
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Topics: Engineering simulation, Film cooling, Particulate matter, Simulation, Cooling, Flow (Dynamics), Turbines, Cascades (Fluid dynamics), Combustion chambers, Design
Journal Articles

Simulations of Multiphase Particle Deposition on a Nonaxisymmetric Contoured Endwall With Film-Cooling

Seth A. Lawson, Stephen P. Lynch, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031032.
Paper No: TURBO-12-1137
https://doi.org/10.1115/1.4007598
Published Online: March 25, 2013
View Article titled, Simulations of Multiphase Particle Deposition on a Nonaxisymmetric Contoured Endwall With Film-Cooling
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Topics: Cooling, Engineering simulation, Film cooling, Flow (Dynamics), Particulate matter, Simulation, Surface roughness