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Nicholas A. Cumpsty
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Proceedings Papers

Endwall Blockage in Axial Compressors

S. Arif Khalid, Amrit S. Khalsa, Ian A. Waitz, Choon S. Tan, Edward M. Greitzer, Nicholas A. Cumpsty, John J. Adamczyk, Frank E. Marble
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A047, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-188
https://doi.org/10.1115/98-GT-188
View Paper titled, Endwall Blockage in Axial Compressors
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Topics: Compressors, Clearances (Engineering), Flow (Dynamics), Design, Blades, Boundary layers, Computer simulation, Pressure, Wind tunnels
Proceedings Papers

Effects of Inlet Flow Field Conditions on the Performance of Centrifugal Compressor Diffusers: Part 1 — Discrete-Passage Diffuser

Victor G. Filipenco, Sabri Deniz, J. Mark Johnston, Edward M. Greitzer, Nicholas A. Cumpsty
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A111, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-473
https://doi.org/10.1115/98-GT-473
View Paper titled, Effects of Inlet Flow Field Conditions on the Performance of Centrifugal Compressor Diffusers: Part 1 — Discrete-Passage Diffuser
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Topics: Compressors, Diffusers, Flow (Dynamics), Pressure, Mach number, Axial flow, Boundary layers, Flow instability, Momentum, Test facilities
Proceedings Papers

Effects of Inlet Flow Field Conditions on the Performance of Centrifugal Compressor Diffusers: Part 2 — Straight-Channel Diffuser

Sabri Deniz, Edward M. Greitzer, Nicholas A. Cumpsty
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A112, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-474
https://doi.org/10.1115/98-GT-474
View Paper titled, Effects of Inlet Flow Field Conditions on the Performance of Centrifugal Compressor Diffusers: Part 2 — Straight-Channel Diffuser
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Topics: Compressors, Diffusers, Flow (Dynamics), Pressure, Mach number, Axial flow, Momentum, Wedges
Journal Articles

Preparing for the Future: Reducing Gas Turbine Environmental Impact—IGTI Scholar Lecture

Nicholas A. Cumpsty
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041017.
https://doi.org/10.1115/1.4001221
Published Online: May 11, 2010
View Article titled, Preparing for the Future: Reducing Gas Turbine Environmental Impact—IGTI Scholar Lecture
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Topics: Aircraft, Design, Engines, Fuels, Gas turbines, Pressure, Temperature, Thrust, Turbines, Flow (Dynamics)
Proceedings Papers

Preparing for the Future: Reducing Gas Turbine Environmental Impact

Nicholas A. Cumpsty
Proc. ASME. GT2009, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 969-988, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-60367
https://doi.org/10.1115/GT2009-60367
View Paper titled, Preparing for the Future: Reducing Gas Turbine Environmental Impact
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Topics: Gas turbines, Aircraft, Carbon dioxide, Aircraft propulsion, Climate change, Emissions, Power stations, Design, Electric power generation, Engineers
Proceedings Papers

The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading: Part I — University Research and Methods Development

Simon J. Gallimore, John J. Bolger, Nicholas A. Cumpsty, Mark J. Taylor, Peter I. Wright, James M. M. Place
Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 33-47, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30328
https://doi.org/10.1115/GT2002-30328
View Paper titled, The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading: Part I — University Research and Methods Development
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Topics: Axial flow, Blades, Compressors, Computational fluid dynamics, Design, Engines, High pressure (Physics), Rotors, Testing
Proceedings Papers

The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading: Part II — Low and High Speed Designs and Test Verification

Simon J. Gallimore, John J. Bolger, Nicholas A. Cumpsty, Mark J. Taylor, Peter I. Wright, James M. M. Place
Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 49-59, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30329
https://doi.org/10.1115/GT2002-30329
View Paper titled, The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading: Part II — Low and High Speed Designs and Test Verification
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Topics: Axial flow, Blades, Compressors, Computational fluid dynamics, Design, Engines, High pressure (Physics), Rotors, Testing
Proceedings Papers

Three-Dimensional Separations in Axial Compressors

Semiu A. Gbadebo, Nicholas A. Cumpsty, Tom P. Hynes
Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 457-469, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53617
https://doi.org/10.1115/GT2004-53617
View Paper titled, Three-Dimensional Separations in Axial Compressors
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Topics: Compressors, Separation (Technology), Blades, Computational fluid dynamics, Corners (Structural elements), Flow (Dynamics), Cascades (Fluid dynamics), Clearances (Engineering), Flow separation, Fluid mechanics
Proceedings Papers

Influence of Surface Roughness on Three-Dimensional Separation in Axial Compressors

Semiu A. Gbadebo, Tom P. Hynes, Nicholas A. Cumpsty
Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 471-481, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53619
https://doi.org/10.1115/GT2004-53619
View Paper titled, Influence of Surface Roughness on Three-Dimensional Separation in Axial Compressors
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Topics: Compressors, Separation (Technology), Surface roughness, Flow (Dynamics), Blades, Design, Stators, Suction, Computational methods, Flow visualization
Proceedings Papers

Interaction of Tip Clearance Flow and Three-Dimensional Separations in Axial Compressors

Semiu A. Gbadebo, Nicholas A. Cumpsty, Tom P. Hynes
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 71-78, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90071
https://doi.org/10.1115/GT2006-90071
View Paper titled, Interaction of Tip Clearance Flow and Three-Dimensional Separations in Axial Compressors
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Blades, Chords (Trusses), Cascades (Fluid dynamics), Separation (Technology), Suction, Vortices, Boundary layers
Journal Articles

Control of Three-Dimensional Separations in Axial Compressors by Tailored Boundary Layer Suction

Semiu A. Gbadebo, Nicholas A. Cumpsty, Tom P. Hynes
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011004.
https://doi.org/10.1115/1.2749294
Published Online: December 19, 2007
View Article titled, Control of Three-Dimensional Separations in Axial Compressors by Tailored Boundary Layer Suction
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Topics: Boundary layers, Suction, Blades, Compressors, Flow (Dynamics), Pressure, Cascades (Fluid dynamics), Separation (Technology)
Journal Articles

Interaction of Tip Clearance Flow and Three-Dimensional Separations in Axial Compressors

Semiu A. Gbadebo, Nicholas A. Cumpsty, Tom P. Hynes
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2007, 129(4): 679–685.
https://doi.org/10.1115/1.2720876
Published Online: September 7, 2006
View Article titled, Interaction of Tip Clearance Flow and Three-Dimensional Separations in Axial Compressors
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Topics: Blades, Clearances (Engineering), Compressors, Flow (Dynamics), Suction, Boundary layers, Chords (Trusses), Cascades (Fluid dynamics), Separation (Technology), Vortices
Journal Articles

Three-Dimensional Separations in Axial Compressors

Semiu A. Gbadebo, Nicholas A. Cumpsty, Tom P. Hynes
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2005, 127(2): 331–339.
https://doi.org/10.1115/1.1811093
Published Online: May 5, 2005
View Article titled, Three-Dimensional Separations in Axial Compressors
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Separation (Technology), Suction, Corners (Structural elements), Topology, Boundary layers, Computational fluid dynamics
Journal Articles

Influence of Surface Roughness on Three-Dimensional Separation in Axial Compressors

Semiu A. Gbadebo, Tom P. Hynes, Nicholas A. Cumpsty
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2004, 126(4): 455–463.
https://doi.org/10.1115/1.1791281
Published Online: December 29, 2004
View Article titled, Influence of Surface Roughness on Three-Dimensional Separation in Axial Compressors
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Topics: Blades, Design, Flow (Dynamics), Stators, Suction, Surface roughness, Separation (Technology), Compressors, Pressure
Journal Articles

The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part I: University Research and Methods Development

Simon J. Gallimore, John J. Bolger, Nicholas A. Cumpsty, Mem. ASME, Mark J. Taylor, Peter I. Wright, James M. M. Place
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2002, 124(4): 521–532.
https://doi.org/10.1115/1.1507333
Published Online: November 7, 2002
View Article titled, The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part I: University Research and Methods Development
Open the PDF for The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part I: University Research and Methods Development in another window
Topics: Blades, Compressors, Computational fluid dynamics, Design, Flow (Dynamics), Rotors, Pressure, Stators
Journal Articles

The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part II: Low and High-Speed Designs and Test Verification

Simon J. Gallimore, John J. Bolger, Nicholas A. Cumpsty, Mem. Asme, Mark J. Taylor, Peter I. Wright, James M. M. Place
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2002, 124(4): 533–541.
https://doi.org/10.1115/1.1507334
Published Online: November 7, 2002
View Article titled, The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part II: Low and High-Speed Designs and Test Verification
Open the PDF for The Use of Sweep and Dihedral in Multistage Axial Flow Compressor Blading—Part II: Low and High-Speed Designs and Test Verification in another window
Topics: Compressors, Design, Rotors, Stators, Blades, Computational fluid dynamics