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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

Unsteady Wake-Induced Boundary Layer Transition in High Lift LP Turbines

Volker Schulte, Howard P. Hodson
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A121, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-486
https://doi.org/10.1115/96-GT-486
View Paper titled, Unsteady Wake-Induced Boundary Layer Transition in High Lift LP Turbines
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Topics: Boundary layers, Turbines, Wakes, Reynolds number, Bubbles, Separation (Technology), Suction, Turbine blades, Cascades (Fluid dynamics), Design
Proceedings Papers

Prediction of the Becalmed Region for LP Turbine Profile Design

Volker Schulte, Howard P. Hodson
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A060, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-398
https://doi.org/10.1115/97-GT-398
View Paper titled, Prediction of the Becalmed Region for LP Turbine Profile Design
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Topics: Design, Turbines, Boundary layers, Turbulence, Separation (Technology), Turbine blades, Wakes, Entropy, Flow (Dynamics), Reynolds number
Proceedings Papers

The Effect of Endwall Manufacturing Variations on Turbine Performance

Robert P. Grewe, Robert J. Miller, Howard P. Hodson
Proc. ASME. GT2014, Volume 2C: Turbomachinery, V02CT38A008, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25326
https://doi.org/10.1115/GT2014-25326
View Paper titled, The Effect of Endwall Manufacturing Variations on Turbine Performance
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Topics: Manufacturing, Turbines, Flow (Dynamics), Blades, Casting, Geometry, Leakage, Aircraft engines, Design, Engines
Proceedings Papers

High Efficiency Cavity Winglets for High Pressure Turbines

John D. Coull, Nicholas R. Atkins, Howard P. Hodson
Proc. ASME. GT2014, Volume 2C: Turbomachinery, V02CT38A005, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25261
https://doi.org/10.1115/GT2014-25261
View Paper titled, High Efficiency Cavity Winglets for High Pressure Turbines
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Topics: Cavities, High pressure (Physics), Turbines, Blades, Flow (Dynamics), Clearances (Engineering), Design, Coolants, Cooling, Discharge coefficient
Proceedings Papers

Pressure Surface Separations in Low Pressure Turbines: Part 1 of 2 — Midspan Behaviour

Michael J. Brear, Howard P. Hodson, Neil W. Harvey
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A059, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0437
https://doi.org/10.1115/2001-GT-0437
View Paper titled, Pressure Surface Separations in Low Pressure Turbines: Part 1 of 2 — Midspan Behaviour
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Topics: Pressure, Turbines, Separation (Technology), Shear (Mechanics), Turbulence, Blades, Cascades (Fluid dynamics), Engine design, Flow (Dynamics), Reynolds number
Proceedings Papers

Pressure Surface Separations in Low Pressure Turbines: Part 2 of 2 — Interactions With the Secondary Flow

Michael J. Brear, Howard P. Hodson, Paloma Gonzalez, Neil W. Harvey
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A060, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0438
https://doi.org/10.1115/2001-GT-0438
View Paper titled, Pressure Surface Separations in Low Pressure Turbines: Part 2 of 2 — Interactions With the Secondary Flow
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Topics: Flow (Dynamics), Pressure, Turbines, Blades, Separation (Technology), Turbine blades, Cascades (Fluid dynamics), Design, Suction
Journal Articles

Winglets for Improved Aerothermal Performance of High Pressure Turbines

John D. Coull, Nick R. Atkins, Howard P. Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2014, 136(9): 091007.
Paper No: TURBO-13-1229
https://doi.org/10.1115/1.4026909
Published Online: May 2, 2014
View Article titled, Winglets for Improved Aerothermal Performance of High Pressure Turbines
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Topics: Blades, Flow (Dynamics), Heat, Leakage, Leakage flows, Mach number, Pressure, Stress, Suction, Design
Proceedings Papers

Winglets for Improved Aerothermal Performance of High Pressure Turbines

John D. Coull, Nick R. Atkins, Howard P. Hodson
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT36A011, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94425
https://doi.org/10.1115/GT2013-94425
View Paper titled, Winglets for Improved Aerothermal Performance of High Pressure Turbines
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Topics: High pressure (Physics), Turbines, Blades, Heat transfer, Leakage, Leakage flows, Rotors, Suction, Design, Flow (Dynamics)
Journal Articles

The Effects of a Parametric Variation of the Rim Seal Geometry on the Interaction Between Hub Leakage and Mainstream Flows in High Pressure Turbines

Ivan Popović, Howard P. Hodson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2013, 135(11): 112501.
Paper No: GTP-12-1486
https://doi.org/10.1115/1.4024867
Published Online: September 17, 2013
View Article titled, The Effects of a Parametric Variation of the Rim Seal Geometry on the Interaction Between Hub Leakage and Mainstream Flows in High Pressure Turbines
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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pressure, Sealing (Process), Blades, Rotors, Vortices, Geometry
Journal Articles

The Effects of Unsteadiness and Compressibility on the Interaction Between Hub Leakage and Mainstream Flows in High-Pressure Turbines

Ivan Popović, Howard P. Hodson, Erik Janke, Torsten Wolf
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061015.
Paper No: TURBO-12-1038
https://doi.org/10.1115/1.4024636
Published Online: September 13, 2013
View Article titled, The Effects of Unsteadiness and Compressibility on the Interaction Between Hub Leakage and Mainstream Flows in High-Pressure Turbines
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Topics: Blades, Flow (Dynamics), Leakage, Compressibility, Rotors, Pressure, Turbines
Journal Articles

Improving Turbine Stage Efficiency and Sealing Effectiveness Through Modifications of the Rim Seal Geometry

Ivan Popovíc, Howard P. Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061016.
Paper No: TURBO-12-1041
https://doi.org/10.1115/1.4024872
Published Online: September 13, 2013
View Article titled, Improving Turbine Stage Efficiency and Sealing Effectiveness Through Modifications of the Rim Seal Geometry
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Topics: Blades, Flow (Dynamics), Leakage, Rotors, Sealing (Process), Vortices, Turbines, Geometry, Cavities, Pressure
Journal Articles

Aerothermal Impact of the Interaction Between Hub Leakage and Mainstream Flows in Highly-Loaded High Pressure Turbine Blades

Ivan Popović, Howard P. Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061014.
Paper No: TURBO-12-1037
https://doi.org/10.1115/1.4023621
Published Online: September 13, 2013
View Article titled, Aerothermal Impact of the Interaction Between Hub Leakage and Mainstream Flows in Highly-Loaded High Pressure Turbine Blades
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Topics: Blades, Flow (Dynamics), Leakage, Cooling, Cavities
Journal Articles

Blade Loading and Its Application in the Mean-Line Design of Low Pressure Turbines

John D. Coull, Howard P. Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021032.
Paper No: TURBO-11-1192
https://doi.org/10.1115/1.4006588
Published Online: November 8, 2012
View Article titled, Blade Loading and Its Application in the Mean-Line Design of Low Pressure Turbines
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Topics: Blades, Design, Flow (Dynamics), Reynolds number, Turbines, Pressure
Proceedings Papers

Blade Loading and its Application in the Mean-Line Design of Low Pressure Turbines

John D. Coull, Howard P. Hodson
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 547-558, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45238
https://doi.org/10.1115/GT2011-45238
View Paper titled, Blade Loading and its Application in the Mean-Line Design of Low Pressure Turbines
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Topics: Blades, Design, Pressure, Turbines, Flow (Dynamics), Reynolds number, Aircraft engines, Axial flow, Flow turning, Gages
Proceedings Papers

The Cost of Flow Control in a Compressor

Simon W. Evans, Howard P. Hodson
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1-12, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45059
https://doi.org/10.1115/GT2011-45059
View Paper titled, The Cost of Flow Control in a Compressor
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Topics: Compressors, Flow control, Suction, Cycles, Blades, Flow (Dynamics), Boundary layers, Cascades (Fluid dynamics), Delays, Separation (Technology)
Journal Articles

Predicting the Profile Loss of High-Lift Low Pressure Turbines

John D. Coull, Howard P. Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2012, 134(2): 021002.
https://doi.org/10.1115/1.4002961
Published Online: June 21, 2011
View Article titled, Predicting the Profile Loss of High-Lift Low Pressure Turbines
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Topics: Blades, Boundary layers, Design, Flat plates, Momentum, Pressure, Separation (Technology), Suction, Flow (Dynamics), Turbines