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Proceedings Papers

Axisymmetric Tip Gap Profiling in a Shroudless Axial Turbine

M. Abda, M. G. Rose
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14301
https://doi.org/10.1115/GT2020-14301
View Paper titled, Axisymmetric Tip Gap Profiling in a Shroudless Axial Turbine
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Topics: Turbines, Flow (Dynamics), Leakage, Blades, Design, Leakage flows, Pressure, Rotors, Vortices, Bubbles
Proceedings Papers

Formation and Evolution of Rayleigh-Bénard Streaks in Rotating Cavities

M. R. Puttock-Brown, M. G. Rose
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75497
https://doi.org/10.1115/GT2018-75497
View Paper titled, Formation and Evolution of Rayleigh-Bénard Streaks in Rotating Cavities
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Topics: Cavities, Aircraft engines, Boundary-value problems, Flow (Dynamics), Heat transfer, Pressure gradient, Turbulence
Proceedings Papers

Experimental and Computational Investigation of Rayleigh-Bénard Flow in the Rotating Cavities of a Core Compressor

M. R. Puttock-Brown, M. G. Rose, C. A. Long
Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A032, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64884
https://doi.org/10.1115/GT2017-64884
View Paper titled, Experimental and Computational Investigation of Rayleigh-Bénard Flow in the Rotating Cavities of a Core Compressor
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Topics: Cavities, Compressors, Flow (Dynamics), Natural convection, Simulation, Aircraft engines, Cavity flows, Gas turbines, Heat transfer, High pressure (Physics)
Proceedings Papers

Heat Transfer to Rotating Turbine Blades in a Flow Undisturbed by Wakes

T. Garside, R. W. Moss, R. W. Ainsworth, S. N. Dancer, M. G. Rose
Proc. ASME. GT1994, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A013, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-094
https://doi.org/10.1115/94-GT-094
View Paper titled, Heat Transfer to Rotating Turbine Blades in a Flow Undisturbed by Wakes
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Topics: Flow (Dynamics), Heat transfer, Turbine blades, Wakes, Blades, Computational fluid dynamics, Rotors, Boundary layers, Nozzle guide vanes, Turbulence
Proceedings Papers

Non-Axisymmetric Endwall Profiling in a Turbine Rotor Blade

J. C. Hartland, D. G. Gregory-Smith, M. G. Rose
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A130, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-525
https://doi.org/10.1115/98-GT-525
View Paper titled, Non-Axisymmetric Endwall Profiling in a Turbine Rotor Blade
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Topics: Blades, Rotors, Turbines, Pressure, Computational fluid dynamics, Flow (Dynamics), Cascades (Fluid dynamics), Coolants, Design, Leakage
Proceedings Papers

Non-Axisymmetric Turbine End Wall Design: Part II — Experimental Validation

J. C. Hartland, D. G. Gregory-Smith, N. W. Harvey, M. G. Rose
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A050, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-338
https://doi.org/10.1115/99-GT-338
View Paper titled, Non-Axisymmetric Turbine End Wall Design: Part II — Experimental Validation
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Topics: Design, Turbines, Flow (Dynamics), Computational fluid dynamics, Cascades (Fluid dynamics), Blades, Pressure, Turbulence, Vortices
Proceedings Papers

Improving the Efficiency of the Trent 500 HP Turbine Using Non-Axisymmetric End Walls: Part 1 — Turbine Design

G. Brennan, N. W. Harvey, M. G. Rose, N. Fomison, M. D. Taylor
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A066, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0444
https://doi.org/10.1115/2001-GT-0444
View Paper titled, Improving the Efficiency of the Trent 500 HP Turbine Using Non-Axisymmetric End Walls: Part 1 — Turbine Design
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Topics: Design, Turbines, Airfoils, Cascades (Fluid dynamics), Engines, Rotors, Shapes
Proceedings Papers

Improving the Efficiency of the Trent 500 HP Turbine Using Non-Axisymmetric End Walls: Part II — Experimental Validation

M. G. Rose, N. W. Harvey, P. Seaman, D. A. Newman, D. McManus
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A081, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0505
https://doi.org/10.1115/2001-GT-0505
View Paper titled, Improving the Efficiency of the Trent 500 HP Turbine Using Non-Axisymmetric End Walls: Part II — Experimental Validation
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Topics: Turbines, Design, Flow (Dynamics), Axial flow, Blades, Cascades (Fluid dynamics), Computational fluid dynamics, Design methodology, Rotors, Testing
Proceedings Papers

Unsteady Secondary Flow in a Low Pressure Turbine With Integrated 3D Design

D. Schrack, C. M. Schneider, M. Fraas, M. G. Rose, S. Staudacher, K. Engel
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT36A036, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95700
https://doi.org/10.1115/GT2013-95700
View Paper titled, Unsteady Secondary Flow in a Low Pressure Turbine With Integrated 3D Design
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Topics: Design, Flow (Dynamics), Pressure, Turbines, Rotors, Aerodynamics, Aircraft engines, Aircraft propulsion, Computational fluid dynamics, Nozzle guide vanes
Proceedings Papers

On the Unsteady Formation of Secondary Flow Inside a Rotating Turbine Blade Passage

C. M. Schneider, D. Schrack, M. Kuerner, M. G. Rose, S. Staudacher, Y. Guendogdu, U. Freygang
Proc. ASME. GT2013, Volume 6C: Turbomachinery, V06CT42A001, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94091
https://doi.org/10.1115/GT2013-94091
View Paper titled, On the Unsteady Formation of Secondary Flow Inside a Rotating Turbine Blade Passage
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Topics: Flow (Dynamics), Turbine blades, Rotors, Turbines, Nozzle guide vanes, Pressure, Probes, Design, Engines, Mirrors
Journal Articles

On the Unsteady Formation of Secondary Flow Inside a Rotating Turbine Blade Passage

C. M. Schneider, D. Schrack, M. Kuerner, M. G. Rose, S. Staudacher, Y. Guendogdu, U. Freygang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2014, 136(6): 061004.
Paper No: TURBO-13-1133
https://doi.org/10.1115/1.4025582
Published Online: November 8, 2013
View Article titled, On the Unsteady Formation of Secondary Flow Inside a Rotating Turbine Blade Passage
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Topics: Flow (Dynamics), Rotors, Nozzle guide vanes, Probes, Vorticity
Proceedings Papers

Unsteady Rotor Hub Passage Vortex Behavior in the Presence of Purge Flow in an Axial Low Pressure Turbine

P. Jenny, R. S. Abhari, M. G. Rose, M. Brettschneider, K. Engel, J. Gier
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2687-2698, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69256
https://doi.org/10.1115/GT2012-69256
View Paper titled, Unsteady Rotor Hub Passage Vortex Behavior in the Presence of Purge Flow in an Axial Low Pressure Turbine
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Topics: Flow (Dynamics), Pressure, Rotors, Turbines, Vortices, Blades, Entropy, Probes, Computation, Cooling
Proceedings Papers

On the Assessment of Turbine Efficiency From Experimental Data for Low Pressure Turbines at Low Reynolds Numbers

C. Schneider, M. G. Rose, S. Staudacher, A. Heisler, F. Lippl, I. Raab
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1487-1496, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69435
https://doi.org/10.1115/GT2012-69435
View Paper titled, On the Assessment of Turbine Efficiency From Experimental Data for Low Pressure Turbines at Low Reynolds Numbers
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Topics: Pressure, Reynolds number, Turbines, Design, Measurement systems, Resolution (Optics), Computational fluid dynamics, Flow (Dynamics), Machinery, Probes
Journal Articles

Unsteady Rotor Hub Passage Vortex Behavior in the Presence of Purge Flow in an Axial Low Pressure Turbine

P. Jenny, R. S. Abhari, M. G. Rose, M. Brettschneider, K. Engel, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051022.
Paper No: TURBO-12-1167
https://doi.org/10.1115/1.4007837
Published Online: June 28, 2013
View Article titled, Unsteady Rotor Hub Passage Vortex Behavior in the Presence of Purge Flow in an Axial Low Pressure Turbine
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Topics: Flow (Dynamics), Pressure, Rotors, Turbines, Vortices, Blades, Particulate matter
Journal Articles

A Low Pressure Turbine With Profiled Endwalls and Purge Flow Operating With a Pressure Side Bubble

P. Jenny, R. S. Abhari, M. G. Rose, M. Brettschneider, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061038.
https://doi.org/10.1115/1.4006303
Published Online: September 17, 2012
View Article titled, A Low Pressure Turbine With Profiled Endwalls and Purge Flow Operating With a Pressure Side Bubble
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Topics: Flow (Dynamics), Pressure, Rotors, Turbines, Bubbles, Blades
Proceedings Papers

A Low Pressure Turbine With Profiled End Walls and Purge Flow Operating With a Pressure Side Bubble

P. Jenny, R. S. Abhari, M. G. Rose, M. Brettschneider, J. Gier
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 851-863, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46309
https://doi.org/10.1115/GT2011-46309
View Paper titled, A Low Pressure Turbine With Profiled End Walls and Purge Flow Operating With a Pressure Side Bubble
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Topics: Bubbles, Flow (Dynamics), Pressure, Turbines, Rotors, Blades, Computation, Engineering simulation, Engines, Entropy
Journal Articles

Influence of Rim Seal Purge Flow on the Performance of an Endwall-Profiled Axial Turbine

P. Schuepbach, R. S. Abhari, M. G. Rose, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021011.
https://doi.org/10.1115/1.4000578
Published Online: October 21, 2010
View Article titled, Influence of Rim Seal Purge Flow on the Performance of an Endwall-Profiled Axial Turbine
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Topics: Design, Flow (Dynamics), Pressure, Rotors, Turbines, Blades, Vortices, Computation, Vorticity
Proceedings Papers

Influence of Rim Seal Purge Flow on Performance of an Endwall-Profiled Axial Turbine

P. Schuepbach, R. S. Abhari, M. G. Rose, J. Gier
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 943-956, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59653
https://doi.org/10.1115/GT2009-59653
View Paper titled, Influence of Rim Seal Purge Flow on Performance of an Endwall-Profiled Axial Turbine
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Topics: Flow (Dynamics), Turbines, Rotors, Design, Jets, Pressure, Vortices, Suction, Vorticity, Annulus
Journal Articles

Effects of Suction and Injection Purge-Flow on the Secondary Flow Structures of a High-Work Turbine

P. Schuepbach, R. S. Abhari, M. G. Rose, T. Germain, I. Raab, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021021.
https://doi.org/10.1115/1.4000485
Published Online: January 21, 2010
View Article titled, Effects of Suction and Injection Purge-Flow on the Secondary Flow Structures of a High-Work Turbine
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Topics: Flow (Dynamics), Pressure, Rotors, Turbines, Vortices
Journal Articles

Improving Efficiency of a High Work Turbine Using Nonaxisymmetric Endwalls—Part II: Time-Resolved Flow Physics

P. Schüpbach, R. S. Abhari, M. G. Rose, T. Germain, I. Raab, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021008.
https://doi.org/10.1115/1.3103926
Published Online: January 12, 2010
View Article titled, Improving Efficiency of a High Work Turbine Using Nonaxisymmetric Endwalls—Part II: Time-Resolved Flow Physics
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Topics: Energy dissipation, Flow (Dynamics), Pressure, Rotors, Stators, Turbines, Vortices, Vorticity, Physics, Blades