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Karen A. Flack
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Proceedings Papers

Secondary Flow Measurements in a Turbine Passage With Endwall Flow Modification

Nicole V. Aunapu, Ralph J. Volino, Karen A. Flack, Ryan M. Stoddard
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A020, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0212
https://doi.org/10.1115/2000-GT-0212
View Paper titled, Secondary Flow Measurements in a Turbine Passage With Endwall Flow Modification
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Topics: Flow (Dynamics), Flow measurement, Turbines, Jets, Blades, Vortices, Boundary layers, Cascades (Fluid dynamics), Film cooling, Flow visualization
Proceedings Papers

Design of a Heat Sink in an Undergraduate Heat Transfer Course

Andrew N. Smith, Ralph J. Volino, Karen A. Flack
Proc. ASME. IMECE2012, Volume 5: Education and Globalization; General Topics, 323-328, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-89077
https://doi.org/10.1115/IMECE2012-89077
View Paper titled, Design of a Heat Sink in an Undergraduate Heat Transfer Course
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Topics: Design, Heat sinks, Heat transfer, Undergraduate students, Students, Fins, Electrical discharge machining, Flow (Dynamics), Flow simulation, Wire
Journal Articles

Review of Hydraulic Roughness Scales in the Fully Rough Regime

Karen A. Flack, Michael P. Schultz
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2010, 132(4): 041203.
https://doi.org/10.1115/1.4001492
Published Online: April 20, 2010
View Article titled, Review of Hydraulic Roughness Scales in the Fully Rough Regime
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Topics: Surface roughness, Drag (Fluid dynamics)
Proceedings Papers

Effect of Unheated Starting Lengths on Film Cooling Experiments

Sarah M. Coulthard, Ralph J. Volino, Karen A. Flack
Proc. ASME. HT2005, Heat Transfer: Volume 3, 47-57, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72392
https://doi.org/10.1115/HT2005-72392
View Paper titled, Effect of Unheated Starting Lengths on Film Cooling Experiments
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Topics: Film cooling, Heating, Flat plates, Heat transfer coefficients, Jets, Thermocouples, Wire
Proceedings Papers

Surface Temperature Field Statistics at an Air/Water Interface for Grid-Generated Sub-Surface Turbulence

Karen A. Flack, Geoffrey B. Smith
Proc. ASME. FEDSM2002, Volume 1: Fora, Parts A and B, 761-766, July 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2002-31132
https://doi.org/10.1115/FEDSM2002-31132
View Paper titled, Surface Temperature Field Statistics at an Air/Water Interface for Grid-Generated Sub-Surface Turbulence
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Topics: Statistics, Temperature, Turbulence, Water
Proceedings Papers

Effect of Jet Pulsing on Film Cooling: Part 1— Effectiveness and Flowfield Temperature Results

Sarah M. Coulthard, Ralph J. Volino, Karen A. Flack
Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 1083-1094, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-91273
https://doi.org/10.1115/GT2006-91273
View Paper titled, Effect of Jet Pulsing on Film Cooling: Part 1— Effectiveness and Flowfield Temperature Results
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Topics: Film cooling, Temperature, Wire, Jets, Cycles, Engines, Flat plates, Flow (Dynamics), Geometry, Solenoids
Proceedings Papers

Effect of Jet Pulsing on Film Cooling: Part 2 — Heat Transfer Results

Sarah M. Coulthard, Ralph J. Volino, Karen A. Flack
Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 1095-1104, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-91274
https://doi.org/10.1115/GT2006-91274
View Paper titled, Effect of Jet Pulsing on Film Cooling: Part 2 — Heat Transfer Results
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Topics: Film cooling, Heat transfer, Jets, Cycles, Flow (Dynamics), Heat flux, Vortices, Engines, Flat plates, Solenoids
Journal Articles

Effect of Jet Pulsing on Film Cooling—Part I: Effectiveness and Flow-Field Temperature Results

Sarah M. Coulthard, Ralph J. Volino, Karen A. Flack
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2007, 129(2): 232–246.
https://doi.org/10.1115/1.2437231
Published Online: May 31, 2006
View Article titled, Effect of Jet Pulsing on Film Cooling—Part I: Effectiveness and Flow-Field Temperature Results
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Topics: Cycles, Film cooling, Flow (Dynamics), Jets, Temperature, Valves
Journal Articles

Effect of Jet Pulsing on Film Cooling—Part II: Heat Transfer Results

Sarah M. Coulthard, Ralph J. Volino, Karen A. Flack
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2007, 129(2): 247–257.
https://doi.org/10.1115/1.2437230
Published Online: May 31, 2006
View Article titled, Effect of Jet Pulsing on Film Cooling—Part II: Heat Transfer Results
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Topics: Cycles, Film cooling, Flow (Dynamics), Jets, Heat transfer, Valves, Heat flux, Vortices, Cooling, Engines
Journal Articles

Effect of Unheated Starting Lengths on Film Cooling Experiments

Sarah M. Coulthard, Ralph J. Volino, Karen A. Flack
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2006, 128(3): 579–588.
https://doi.org/10.1115/1.2184355
Published Online: January 16, 2006
View Article titled, Effect of Unheated Starting Lengths on Film Cooling Experiments
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Topics: Film cooling, Jets, Temperature
Journal Articles

Turbulent Boundary Layers Over Surfaces Smoothed by Sanding

Michael P. Schultz, Karen A. Flack
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2003, 125(5): 863–870.
https://doi.org/10.1115/1.1598992
Published Online: October 7, 2003
View Article titled, Turbulent Boundary Layers Over Surfaces Smoothed by Sanding
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Topics: Boundary layer turbulence, Boundary layers, Stress, Surface roughness, Uncertainty, Reynolds number, Skin friction (Fluid dynamics), Collapse, Shear stress
Journal Articles

Secondary Flow Measurements in a Turbine Passage With Endwall Flow Modification

Nicole V. Aunapu, Ralph J. Volino, Karen A. Flack, Ryan M. Stoddard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2000, 122(4): 651–658.
https://doi.org/10.1115/1.1311286
Published Online: February 1, 2000
View Article titled, Secondary Flow Measurements in a Turbine Passage With Endwall Flow Modification
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Topics: Blades, Flow (Dynamics), Flow visualization, Jets, Pressure, Suction, Turbines, Vortices, Flow measurement, Inks