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Karen Thole
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Proceedings Papers

Application of a Distributed Element Roughness Model to Additively Manufactured Internal Cooling Channels

Samuel Altland, Xiang Yang, Karen Thole, Robert Kunz, Stephen McClain
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81218
https://doi.org/10.1115/GT2022-81218
View Paper titled, Application of a Distributed Element Roughness Model to Additively Manufactured Internal Cooling Channels
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Topics: Additive manufacturing, Computational fluid dynamics, Cooling, Surface roughness
Journal Articles

Effects of Purge Flow Configuration on Sealing Effectiveness in a Rotor–Stator Cavity

Kenneth Clark, Michael Barringer, David Johnson, Karen Thole, Eric Grover, Christopher Robak
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112502.
Paper No: GTP-18-1169
https://doi.org/10.1115/1.4040308
Published Online: July 12, 2018
View Article titled, Effects of Purge Flow Configuration on Sealing Effectiveness in a Rotor–Stator Cavity
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Topics: Cavities, Flow (Dynamics), Sealing (Process), Turbines, Engines
Proceedings Papers

Effects of Purge Flow Configuration on Sealing Effectiveness in a Rotor-Stator Cavity

Kenneth Clark, Michael Barringer, David Johnson, Karen Thole, Eric Grover, Christopher Robak
Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A016, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63910
https://doi.org/10.1115/GT2017-63910
View Paper titled, Effects of Purge Flow Configuration on Sealing Effectiveness in a Rotor-Stator Cavity
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Topics: Cavities, Flow (Dynamics), Rotors, Sealing (Process), Stators, Engines, Reynolds number, Carbon dioxide, Compressors, Gas turbines
Proceedings Papers

State-of-the-Art Cooling Technology for a Turbine Rotor Blade

Jason Town, Doug Straub, James Black, Karen Thole, Tom Shih
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT13A006, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64728
https://doi.org/10.1115/GT2017-64728
View Paper titled, State-of-the-Art Cooling Technology for a Turbine Rotor Blade
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Topics: Blades, Cooling, Rotors, Turbines, Design, Film cooling, Chords (Trusses), Airfoils, Diffusion (Physics), Gas turbines
Journal Articles

Effects of Purge Jet Momentum on Sealing Effectiveness

Kenneth Clark, Michael Barringer, Karen Thole, Carey Clum, Paul Hiester, Curtis Memory, Christopher Robak
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031904.
Paper No: GTP-16-1313
https://doi.org/10.1115/1.4034545
Published Online: October 4, 2016
View Article titled, Effects of Purge Jet Momentum on Sealing Effectiveness
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Topics: Cavities, Flow (Dynamics), Momentum, Sealing (Process), Stators, Turbines, Rotors, Leakage flows, Jets
Proceedings Papers

Using a Tracer Gas to Quantify Sealing Effectiveness for Engine Realistic Rim Seals

Kenneth Clark, Michael Barringer, Karen Thole, Carey Clum, Paul Hiester, Curtis Memory, Christopher Robak
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A034, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-58095
https://doi.org/10.1115/GT2016-58095
View Paper titled, Using a Tracer Gas to Quantify Sealing Effectiveness for Engine Realistic Rim Seals
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Topics: Engines, Sealing (Process), Turbines, Flow (Dynamics), Cooling, Cavities, Durability, Gas turbines, Hardware, Leakage flows
Proceedings Papers

Pressure Distortion Effects on Rim Seal Performance in a Linear Cascade

Jeffrey Gibson, Karen Thole, Jesse Christophel, Curtis Memory, Thomas Praisner
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A035, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-58098
https://doi.org/10.1115/GT2016-58098
View Paper titled, Pressure Distortion Effects on Rim Seal Performance in a Linear Cascade
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Topics: Cascades (Fluid dynamics), Pressure, Blades, Cavities, Flow (Dynamics), Compressors, Engines, Fluid mechanics, Geometry, Hardware
Proceedings Papers

Effects of Purge Jet Momentum on Sealing Effectiveness

Kenneth Clark, Michael Barringer, Karen Thole, Carey Clum, Paul Hiester, Curtis Memory, Christopher Robak
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A036, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-58099
https://doi.org/10.1115/GT2016-58099
View Paper titled, Effects of Purge Jet Momentum on Sealing Effectiveness
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Topics: Momentum, Sealing (Process), Cavities, Flow (Dynamics), Carbon dioxide, Compressors, Cycles, Engines, Gas turbines, Jets
Journal Articles

Simulations of Multiphase Particle Deposition on a Gas Turbine Endwall With Impingement and Film Cooling

Amy Mensch, Karen Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2015, 137(11): 111002.
Paper No: TURBO-15-1022
https://doi.org/10.1115/1.4031177
Published Online: August 18, 2015
View Article titled, Simulations of Multiphase Particle Deposition on a Gas Turbine Endwall With Impingement and Film Cooling
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Topics: Film cooling, Particulate matter, Temperature, Cooling, Gas turbines, Heat transfer, Surface roughness, Impingement cooling
Proceedings Papers

Effects of the Main Gas Path Pressure Field on Rim Seal Flows in a Stationary Linear Cascade

Jeffrey Gibson, Karen Thole, Jesse Christophel, Curtis Memory
Proc. ASME. GT2015, Volume 5C: Heat Transfer, V05CT15A029, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43517
https://doi.org/10.1115/GT2015-43517
View Paper titled, Effects of the Main Gas Path Pressure Field on Rim Seal Flows in a Stationary Linear Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Blades, Sealing (Process), Design, Engines, Gas turbines, Turbines
Journal Articles

Impact of the Combustor-Turbine Interface Slot Orientation on the Durability of a Nozzle Guide Vane Endwall

Alan Thrift, Karen Thole, Satoshi Hada
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2013, 135(4): 041019.
Paper No: TURBO-12-1148
https://doi.org/10.1115/1.4007602
Published Online: June 5, 2013
View Article titled, Impact of the Combustor-Turbine Interface Slot Orientation on the Durability of a Nozzle Guide Vane Endwall
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Topics: Coolants, Cooling, Flow (Dynamics), Heat flux, Heat transfer, Leakage, Momentum, Nozzle guide vanes, Vortices, Pressure