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Proceedings Papers

Boundary Layer Transition of Strongly Concave Surfaces

Stephen Riley, Mark W. Johnson, John C. Gibbings
Proc. ASME. GT1989, Volume 1: Turbomachinery, V001T01A112, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-321
https://doi.org/10.1115/89-GT-321
View Paper titled, Boundary Layer Transition of Strongly Concave Surfaces
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Topics: Boundary layers, Flat plates, Vortices, Blades, Pressure gradient, Turbulence
Proceedings Papers

The Effect of Backswept Blading on the Flow in a Centrifugal Compressor Impeller

Talib Z. Farge, Mark W. Johnson
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A078, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-231
https://doi.org/10.1115/90-GT-231
View Paper titled, The Effect of Backswept Blading on the Flow in a Centrifugal Compressor Impeller
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Topics: Compressor impellers, Flow (Dynamics), Impellers, Blades, Boundary layers, Separation (Technology), Vortices, Wakes
Proceedings Papers

A Boundary Layer Transition Correlation for Concave Surfaces

Farouk Hachem, Mark W. Johnson
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A070, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-222
https://doi.org/10.1115/90-GT-222
View Paper titled, A Boundary Layer Transition Correlation for Concave Surfaces
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Topics: Boundary layers, Momentum, Blades, Reynolds number, Turbulence, Vortices, Flat plates, Shapes
Proceedings Papers

An Improved Boundary Layer Transition Correlation

Ahmad Fasihfar, Mark W. Johnson
Proc. ASME. GT1992, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A025, June 1–4, 1992
Publisher: American Society of Mechanical Engineers
Paper No: 92-GT-245
https://doi.org/10.1115/92-GT-245
View Paper titled, An Improved Boundary Layer Transition Correlation
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Topics: Boundary layers, Turbulence, Boundary layer turbulence, Instrumentation, Pressure gradient, Signal processing, Wire
Proceedings Papers

Detailed Flow Measurements in a Centrifugal Compressor Vaneless Diffuser

Ali Pinarbasi, Mark W. Johnson
Proc. ASME. GT1993, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A036, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-095
https://doi.org/10.1115/93-GT-095
View Paper titled, Detailed Flow Measurements in a Centrifugal Compressor Vaneless Diffuser
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Topics: Compressors, Flow measurement, Vaneless diffusers, Diffusers, Wakes, Flow (Dynamics), Blades, Turbulence, Impellers, Kinetic energy
Proceedings Papers

A Bypass Transition Model for Boundary Layers

Mark W. Johnson
Proc. ASME. GT1993, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A031, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-090
https://doi.org/10.1115/93-GT-090
View Paper titled, A Bypass Transition Model for Boundary Layers
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Topics: Boundary layers, Turbulence, Fluctuations (Physics), Pressure gradient, Stress
Proceedings Papers

Off Design Flow Measurements in a Centrifugal Compressor Vaneless Diffuser

Ali Pinarbasi, Mark W. Johnson
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A011, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-042
https://doi.org/10.1115/94-GT-042
View Paper titled, Off Design Flow Measurements in a Centrifugal Compressor Vaneless Diffuser
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Topics: Compressors, Design, Flow measurement, Vaneless diffusers, Wakes, Blades, Delays, Diffusers, Flow (Dynamics), Impellers
Proceedings Papers

Experimental Flow Field Investigation in a Centrifugal Compressor Vaned Diffuser

Ali Pinarbasi, Mark W. Johnson
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A012, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-080
https://doi.org/10.1115/95-GT-080
View Paper titled, Experimental Flow Field Investigation in a Centrifugal Compressor Vaned Diffuser
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Blades, Kinetic energy, Physics, Separation (Technology), Turbulence, Vaneless diffusers
Proceedings Papers

A Study of Reynolds Stresses and Loss Generation at the Inlet to a Centrifugal Vaneless Diffuser

Ali Pinarbasi, Mark W. Johnson
Proc. ASME. GT1995, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V005T16A005, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-150
https://doi.org/10.1115/95-GT-150
View Paper titled, A Study of Reynolds Stresses and Loss Generation at the Inlet to a Centrifugal Vaneless Diffuser
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Topics: Stress, Vaneless diffusers, Wakes, Blades, Flow (Dynamics), Boundary layers, Shear (Mechanics), Turbulence, Compressors, Flow measurement
Proceedings Papers

A Boundary Layer Transition Model

Mark W. Johnson, Ali H. Ercan
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A115, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-444
https://doi.org/10.1115/96-GT-444
View Paper titled, A Boundary Layer Transition Model
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Topics: Boundary layers, Turbulence, Fluctuations (Physics), Pressure, Pressure gradient, Skin friction (Fluid dynamics), Spectra (Spectroscopy), Turbine blades
Proceedings Papers

Reynolds Stress Tensor Measurements in a Centrifugal Compressor Vaned Diffuser

Ali Pinarbasi, Mark W. Johnson
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T16A011, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-228
https://doi.org/10.1115/96-GT-228
View Paper titled, Reynolds Stress Tensor Measurements in a Centrifugal Compressor Vaned Diffuser
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Topics: Compressors, Diffusers, Stress tensors, Flow (Dynamics), Impellers, Stress, Turbulence, Blades, Computational fluid dynamics, Modeling
Proceedings Papers

Predicting Bypass Transition: A Physical Model Versus Empirical Correlations

Mark W. Johnson, Ali H. Ercan
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A091, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-475
https://doi.org/10.1115/97-GT-475
View Paper titled, Predicting Bypass Transition: A Physical Model Versus Empirical Correlations
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Topics: Boundary layers, Fluctuations (Physics), Modeling, Pressure gradient, Turbulence
Proceedings Papers

Detailed Off Design Flow Measurements in a Centrifugal Compressor Vaned Diffuser

Ali Pinarbasi, Mark W. Johnson
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A050, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-343
https://doi.org/10.1115/97-GT-343
View Paper titled, Detailed Off Design Flow Measurements in a Centrifugal Compressor Vaned Diffuser
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Topics: Compressors, Design, Diffusers, Flow measurement, Flow (Dynamics), Wakes, Blades, Impellers, Turbulence, Vaneless diffusers
Proceedings Papers

Turbulent Spot Characteristics in Boundary Layers Subjected to Streamwise Pressure Gradient

Mark W. Johnson
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A036, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-124
https://doi.org/10.1115/98-GT-124
View Paper titled, Turbulent Spot Characteristics in Boundary Layers Subjected to Streamwise Pressure Gradient
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Topics: Boundary layers, Pressure gradient, Turbulence, Flow visualization, Separation (Technology), Wake turbulence, Waves
Proceedings Papers

Prediction of Turbulent Spot Growth Rates

Mark W. Johnson
Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A005, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-031
https://doi.org/10.1115/99-GT-031
View Paper titled, Prediction of Turbulent Spot Growth Rates
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Topics: Turbulence, Fluids, Pressure gradient, Momentum, Boundary layers, Flow (Dynamics), Reynolds number, Vortices
Proceedings Papers

The Origin of Turbulent Spots

Mark W. Johnson, Antonis Dris
Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A006, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-032
https://doi.org/10.1115/99-GT-032
View Paper titled, The Origin of Turbulent Spots
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Topics: Turbulence, Signals, Boundary layers, Separation (Technology), Momentum, Transients (Dynamics), Flow (Dynamics), Fluids, Perturbation theory, Pressure gradient
Proceedings Papers

A Receptivity Based Transition Model

Mark W. Johnson
Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 723-728, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38073
https://doi.org/10.1115/GT2003-38073
View Paper titled, A Receptivity Based Transition Model
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Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Turbulence, Vortices
Proceedings Papers

Predicting Transition Without Empiricism or DNS

Mark W. Johnson
Proc. ASME. GT2002, Volume 3: Turbo Expo 2002, Parts A and B, 713-718, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30238
https://doi.org/10.1115/GT2002-30238
View Paper titled, Predicting Transition Without Empiricism or DNS
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Topics: Boundary layers, Fluctuations (Physics), Turbulence, Vortices, Wavelength
Proceedings Papers

Predicting Transitional Separation Bubbles

John A. Redford, Mark W. Johnson
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 39-44, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53353
https://doi.org/10.1115/GT2004-53353
View Paper titled, Predicting Transitional Separation Bubbles
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Topics: Bubbles, Separation (Technology), Flow (Dynamics), Blades, Boundary layer turbulence, Boundary layers, Computational fluid dynamics, Computer software, Flat plates, Reynolds number
Proceedings Papers

Transition on Concave Surfaces

Antonis Dris, Mark W. Johnson
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 33-38, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53352
https://doi.org/10.1115/GT2004-53352
View Paper titled, Transition on Concave Surfaces
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Topics: Blades, Boundary layer turbulence, Boundary layers, Flat plates, Flow (Dynamics), Fluctuations (Physics), Momentum, Pressure gradient, Reynolds number, Shapes