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Theodore H. Okiishi
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Proceedings Papers

Some Results of NASA-Iowa State University Research on Axial-Flow Pumps

George K. Serovy, Theodore H. Okiishi
Proc. ASME. GT1993, Volume 3B: General, V03BT16A086, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-330
https://doi.org/10.1115/93-GT-330
View Paper titled, Some Results of NASA-Iowa State University Research on Axial-Flow Pumps
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Topics: Axial flow, NASA, Pumps, Compressors, Engineering research, Turbomachinery
Proceedings Papers

An Improved Aspirating Probe for Total-Temperature and Total-Pressure Measurements in Compressor Flows

Dale E. Van Zante, Kenneth L. Suder, Anthony J. Strazisar, Theodore H. Okiishi
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A081, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-222
https://doi.org/10.1115/94-GT-222
View Paper titled, An Improved Aspirating Probe for Total-Temperature and Total-Pressure Measurements in Compressor Flows
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Topics: Compressors, Flow (Dynamics), Pressure, Probes, Temperature, Wire, Platinum, Blades, Alloys, Lasers
Proceedings Papers

Boundary Layer Development in Axial Compressors and Turbines: Part 1 of 4 — Composite Picture

David E. Halstead, David C. Wisler, Theodore H. Okiishi, Gregory J. Walker, Howard P. Hodson, Hyoun-Woo Shin
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A109, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-461
https://doi.org/10.1115/95-GT-461
View Paper titled, Boundary Layer Development in Axial Compressors and Turbines: Part 1 of 4 — Composite Picture
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Topics: Boundary layers, Composite materials, Compressors, Turbines, Wakes, Turbulence, Flow (Dynamics), Airfoils, Reynolds number, Axial flow
Proceedings Papers

Boundary Layer Development in Axial Compressors and Turbines: Part 3 of 4 — LP Turbines

David E. Halstead, David C. Wisler, Theodore H. Okiishi, Gregory J. Walker, Howard P. Hodson, Hyoun-Woo Shin
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A111, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-463
https://doi.org/10.1115/95-GT-463
View Paper titled, Boundary Layer Development in Axial Compressors and Turbines: Part 3 of 4 — LP Turbines
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Topics: Boundary layers, Compressors, Turbines, Airfoils, Nozzles, Composite materials, Gages, Reynolds number, Turbomachinery
Proceedings Papers

Boundary Layer Development in Axial Compressors and Turbines: Part 2 of 4 — Compressors

David E. Halstead, David C. Wisler, Theodore H. Okiishi, Gregory J. Walker, Howard P. Hodson, Hyoun-Woo Shin
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A110, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-462
https://doi.org/10.1115/95-GT-462
View Paper titled, Boundary Layer Development in Axial Compressors and Turbines: Part 2 of 4 — Compressors
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Topics: Boundary layers, Compressors, Turbines, Airfoils, Wakes, Composite materials, Flow (Dynamics), Gages, Reynolds number, Rods
Proceedings Papers

Boundary Layer Development in Axial Compressors and Turbines: Part 4 of 4 — Computations and Analyses

David E. Halstead, David C. Wisler, Theodore H. Okiishi, Gregory J. Walker, Howard P. Hodson, Hyoun-Woo Shin
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A112, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-464
https://doi.org/10.1115/95-GT-464
View Paper titled, Boundary Layer Development in Axial Compressors and Turbines: Part 4 of 4 — Computations and Analyses
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Topics: Boundary layers, Compressors, Computation, Turbines, Airfoils, Turbomachinery
Proceedings Papers

Wake Recovery Performance Benefit in a High-Speed Axial Compressor

Dale E. Van Zante, John J. Adamczyk, Anthony J. Strazisar, Theodore H. Okiishi
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A110, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-535
https://doi.org/10.1115/97-GT-535
View Paper titled, Wake Recovery Performance Benefit in a High-Speed Axial Compressor
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Topics: Compressors, Wakes, Rotors, Stators, Energy dissipation, Lasers, Simulation, Design, Flow (Dynamics), Fluids
Proceedings Papers

The Influence of Shrouded Stator Cavity Flows on Multistage Compressor Performance

Steven R. Wellborn, Theodore H. Okiishi
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A005, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-012
https://doi.org/10.1115/98-GT-012
View Paper titled, The Influence of Shrouded Stator Cavity Flows on Multistage Compressor Performance
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Topics: Cavity flows, Compressors, Stators, Leakage, Cavities, Fluids, Pressure, Clearances (Engineering), Flow (Dynamics), Rotors
Proceedings Papers

Recommendations for Achieving Accurate Numerical Simulation of Tip Clearance Flows in Transonic Compressor Rotors

Dale E. Van Zante, Anthony J. Strazisar, Jerry R. Wood, Michael D. Hathaway, Theodore H. Okiishi
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A057, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-390
https://doi.org/10.1115/99-GT-390
View Paper titled, Recommendations for Achieving Accurate Numerical Simulation of Tip Clearance Flows in Transonic Compressor Rotors
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Topics: Clearances (Engineering), Compressors, Computer simulation, Flow (Dynamics), Rotors, Shear (Mechanics), Equilibrium (Physics), Lasers, Leakage flows, Machinery
Proceedings Papers

Modeling Shrouded Stator Cavity Flows in Axial-Flow Compressors

Steven R. Wellborn, Ilya Tolchinsky, Theodore H. Okiishi
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A014, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-075
https://doi.org/10.1115/99-GT-075
View Paper titled, Modeling Shrouded Stator Cavity Flows in Axial-Flow Compressors
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Topics: Axial flow, Cavity flows, Compressors, Modeling, Stators, Flow (Dynamics), Cavities, Leakage, Temperature, Angular momentum
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

An Investigation of Wake-Shock Interactions in a Transonic Compressor With DPIV and Time-Accurate CFD

Steven E. Gorrell, David Car, Steven L. Puterbaugh, Jordi Estevadeordal, Theodore H. Okiishi
Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 1499-1511, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-69107
https://doi.org/10.1115/GT2005-69107
View Paper titled, An Investigation of Wake-Shock Interactions in a Transonic Compressor With DPIV and Time-Accurate CFD
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Topics: Compressors, Computational fluid dynamics, Shock (Mechanics), Wakes, Rotors, Engineering simulation, Simulation, Vortices, Blades, Pressure
Journal Articles

An Investigation of Wake-Shock Interactions in a Transonic Compressor With Digital Particle Image Velocimetry and Time-Accurate Computational Fluid Dynamics

Steven E. Gorrell, David Car, Steven L. Puterbaugh, Jordi Estevadeordal, Theodore H. Okiishi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 616–626.
https://doi.org/10.1115/1.2220049
Published Online: February 1, 2005
View Article titled, An Investigation of Wake-Shock Interactions in a Transonic Compressor With Digital Particle Image Velocimetry and Time-Accurate Computational Fluid Dynamics
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Topics: Blades, Generators, Rotors, Shock (Mechanics), Turbochargers, Wakes, Computational fluid dynamics, Simulation, Compressors, Flow (Dynamics)
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

Wake Recovery Performance Benefit in a High-Speed Axial Compressor

Dale E. Van Zante, John J. Adamczyk, Anthony J. Strazisar, Theodore H. Okiishi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2002, 124(2): 275–284.
https://doi.org/10.1115/1.1445793
Published Online: April 9, 2002
View Article titled, Wake Recovery Performance Benefit in a High-Speed Axial Compressor
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Topics: Rotors, Stators, Wakes
Journal Articles

Recommendations for Achieving Accurate Numerical Simulation of Tip Clearance Flows in Transonic Compressor Rotors

Dale E. Van Zante, Anthony J. Strazisar, Jerry R. Wood, Michael D. Hathaway, Theodore H. Okiishi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2000, 122(4): 733–742.
https://doi.org/10.1115/1.1314609
Published Online: February 1, 1999
View Article titled, Recommendations for Achieving Accurate Numerical Simulation of Tip Clearance Flows in Transonic Compressor Rotors
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Topics: Blades, Clearances (Engineering), Flow (Dynamics), Rotors, Simulation, Compressors, Trajectories (Physics)