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William W. Copenhaver
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Proceedings Papers

Acquisition of Unsteady Pressure Measurements From a High Speed Multi-Stage Compressor

William W. Copenhaver, Christopher J. Worland
Proc. ASME. GT1988, Volume 1: Turbomachinery, V001T01A065, June 6–9, 1988
Publisher: American Society of Mechanical Engineers
Paper No: 88-GT-189
https://doi.org/10.1115/88-GT-189
View Paper titled, Acquisition of Unsteady Pressure Measurements From a High Speed Multi-Stage Compressor
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Topics: Compressors, Pressure measurement, Data acquisition, Frequency response, Transients (Dynamics)
Proceedings Papers

Three-Dimensional Flow Phenomena in a Transonic, High-Through-Flow, Axial-Flow Compressor Stage

William W. Copenhaver, Chunill Hah, Steven L. Puterbaugh
Proc. ASME. GT1992, Volume 1: Turbomachinery, V001T01A064, June 1–4, 1992
Publisher: American Society of Mechanical Engineers
Paper No: 92-GT-169
https://doi.org/10.1115/92-GT-169
View Paper titled, Three-Dimensional Flow Phenomena in a Transonic, High-Through-Flow, Axial-Flow Compressor Stage
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Topics: Axial flow, Compressors, Flow (Dynamics), Rotors, Stators, Viscous flow, Blades, Pressure transducers, Probes
Proceedings Papers

The Effect of Tip Clearance on a Swept Transonic Compressor Rotor

William W. Copenhaver, Ellen R. Mayhew, Chunill Hah
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A124, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-363
https://doi.org/10.1115/94-GT-363
View Paper titled, The Effect of Tip Clearance on a Swept Transonic Compressor Rotor
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Topics: Clearances (Engineering), Compressors, Rotors, Flow (Dynamics), Shock (Mechanics), Aerodynamics, Blades, Chords (Trusses), Modeling, Numerical analysis
Proceedings Papers

A Three-Dimensional Shock Loss Model Applied to an Aft-Swept, Transonic Compressor Rotor

Steven L. Puterbaugh, William W. Copenhaver, Chunill Hah, Arthur J. Wennerstrom
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A088, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-354
https://doi.org/10.1115/96-GT-354
View Paper titled, A Three-Dimensional Shock Loss Model Applied to an Aft-Swept, Transonic Compressor Rotor
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Topics: Compressors, Rotors, Shock (Mechanics), Design, Flow (Dynamics), Geometry, Pressure, Airfoils, Design methodology
Proceedings Papers

A Shock Loss Model for Supersonic Compressor Cascades

Gregory S. Bloch, William W. Copenhaver, Walter F. O’Brien
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A065, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-405
https://doi.org/10.1115/97-GT-405
View Paper titled, A Shock Loss Model for Supersonic Compressor Cascades
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Topics: Compressors, Shock (Mechanics), Mach number, Airfoils, Boundary layers, Cascades (Fluid dynamics), Compression, Flow (Dynamics), Fluid mechanics, Geometry
Proceedings Papers

Variations in Upstream Vane Loading With Changes in Back Pressure in a Transonic Compressor

Douglas P. Probasco, J. Mitch Wolff, William W. Copenhaver, Randall M. Chriss
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A025, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-344
https://doi.org/10.1115/98-GT-344
View Paper titled, Variations in Upstream Vane Loading With Changes in Back Pressure in a Transonic Compressor
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Topics: Compressors, Pressure, Inlet guide vanes, Shock (Mechanics), Blades, Mach number, Rotors, Chords (Trusses), Dynamic testing (Materials), Flow (Dynamics)
Proceedings Papers

The Effects of Blade-Row Spacing on the Flow Capacity of a Transonic Rotor

Randall M. Chriss, William W. Copenhaver, Steven E. Gorrell
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A041, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-209
https://doi.org/10.1115/99-GT-209
View Paper titled, The Effects of Blade-Row Spacing on the Flow Capacity of a Transonic Rotor
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Topics: Blades, Flow (Dynamics), Rotors, Wakes, Generators, Air Force, Chords (Trusses), Compressors, Inlet guide vanes, Pressure
Proceedings Papers

Transonic Compressor Influences on Upstream Surface Pressures With Axial Spacing

Peter J. Koch, Douglas P. Probasco, J. Mitch Wolff, William W. Copenhaver, Randall M. Chriss
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A041, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-384
https://doi.org/10.1115/99-GT-384
View Paper titled, Transonic Compressor Influences on Upstream Surface Pressures With Axial Spacing
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Topics: Blades, Chords (Trusses), Compression, Compressors, Inlet guide vanes, Pressure, Pressure measurement, Rotors, Shock (Mechanics), Stators
Journal Articles

Experimental Reduction of Transonic Fan Forced Response by Inlet Guide Vane Flow Control

S. Todd Bailie, Wing F. Ng, William W. Copenhaver
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021003.
https://doi.org/10.1115/1.3140823
Published Online: December 31, 2009
View Article titled, Experimental Reduction of Transonic Fan Forced Response by Inlet Guide Vane Flow Control
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Topics: Blades, Flow (Dynamics), Flow control, Resonance, Rotors, Wakes, Stators, Compressors, Inlet guide vanes, Engines
Proceedings Papers

Effects of Flow Control on Forced Response and Performance of a Transonic Compressor

S. Todd Bailie, Wing F. Ng, Alfred L. Wicks, William W. Copenhaver
Proc. ASME. GT2002, Volume 1: Turbo Expo 2002, 67-74, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30008
https://doi.org/10.1115/GT2002-30008
View Paper titled, Effects of Flow Control on Forced Response and Performance of a Transonic Compressor
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Topics: Compressors, Flow control, Rotors, Blades, Resonance, Stators, Flow (Dynamics), Vibration, Wakes, Engines
Proceedings Papers

Stator-Rotor Interactions in a Transonic Compressor: Part 1 — Effect of Blade-Row Spacing on Performance

Steven E. Gorrell, Theodore H. Okiishi, William W. Copenhaver
Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 889-899, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30494
https://doi.org/10.1115/GT2002-30494
View Paper titled, Stator-Rotor Interactions in a Transonic Compressor: Part 1 — Effect of Blade-Row Spacing on Performance
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Topics: Blades, Compressors, Rotors, Stators, Flow (Dynamics), Pressure, Axial flow, Wakes
Proceedings Papers

Stator-Rotor Interactions in a Transonic Compressor: Part 2 — Description of a Loss Producing Mechanism

Steven E. Gorrell, Theodore H. Okiishi, William W. Copenhaver
Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 901-913, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30495
https://doi.org/10.1115/GT2002-30495
View Paper titled, Stator-Rotor Interactions in a Transonic Compressor: Part 2 — Description of a Loss Producing Mechanism
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Topics: Compressors, Rotors, Stators, Blades, Flow (Dynamics), Pressure, Shock (Mechanics), Waves, Engineering simulation, Entropy
Proceedings Papers

A CFD Investigation of IGV Flow Vectoring by Counter Flow Blowing

Michael R. Harff, J. Mitch Wolff, William W. Copenhaver
Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 599-609, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53941
https://doi.org/10.1115/GT2004-53941
View Paper titled, A CFD Investigation of IGV Flow Vectoring by Counter Flow Blowing
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Topics: Computational fluid dynamics, Flow (Dynamics), Inlet guide vanes, Flow turning, Blades, Geometry, Cascades (Fluid dynamics), Engineering simulation, Pressure, Shapes
Proceedings Papers

Experimental Reduction of Transonic Fan Forced Response by IGV Flow Control

S. Todd Bailie, Wing F. Ng, William W. Copenhaver
Proc. ASME. GT2004, Volume 6: Turbo Expo 2004, 527-537, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53975
https://doi.org/10.1115/GT2004-53975
View Paper titled, Experimental Reduction of Transonic Fan Forced Response by IGV Flow Control
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Topics: Flow control, Inlet guide vanes, Blades, Resonance, Rotors, Stators, Flow (Dynamics), Vibration, Compressors, Endurance limit
Journal Articles

Stator-Rotor Interactions in a Transonic Compressor—Part 2: Description of a Loss-Producing Mechanism

Steven E. Gorrell, Mem. ASME, Theodore H. Okiishi, Fellow ASME, Mem. ASME, William W. Copenhaver, Fellow ASME, Mem. ASME
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2003, 125(2): 336–345.
https://doi.org/10.1115/1.1540120
Published Online: April 23, 2003
View Article titled, Stator-Rotor Interactions in a Transonic Compressor—Part 2: Description of a Loss-Producing Mechanism
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Topics: Blades, Flow (Dynamics), Generators, Pressure, Rotors, Shock (Mechanics), Simulation, Stators, Wakes, Waves
Journal Articles

Stator-Rotor Interactions in a Transonic Compressor— Part 1: Effect of Blade-Row Spacing on Performance

Steven E. Gorrell, Mem. ASME,, Theodore H. Okiishi, Mem. ASME, Fellow ASME,, William W. Copenhaver, Mem. ASME, Fellow ASME,
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2003, 125(2): 328–335.
https://doi.org/10.1115/1.1540119
Published Online: April 23, 2003
View Article titled, Stator-Rotor Interactions in a Transonic Compressor— Part 1: Effect of Blade-Row Spacing on Performance
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Topics: Blades, Compressors, Flow (Dynamics), Generators, Pressure, Rotors, Stators, Wakes
Journal Articles

Variations in Upstream Vane Loading With Changes in Back Pressure in a Transonic Compressor

Douglas P. Probasco, Tim J. Leger, J. Mitch Wolff, William W. Copenhaver, Randall M. Chriss
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2000, 122(3): 433–441.
https://doi.org/10.1115/1.1303074
Published Online: February 1, 1998
View Article titled, Variations in Upstream Vane Loading With Changes in Back Pressure in a Transonic Compressor
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Topics: Blades, Compressors, Inlet guide vanes, Pressure, Rotors, Shock (Mechanics), Chords (Trusses), Flow (Dynamics), Mach number