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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
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

Numerical and Experimental Analysis of the Effect of Variable Blade Row Spacing in a Subsonic Axial Turbine

M. Restemeier, P. Jeschke, Y. Guendogdu, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021031.
Paper No: TURBO-11-1191
https://doi.org/10.1115/1.4006587
Published Online: November 8, 2012
View Article titled, Numerical and Experimental Analysis of the Effect of Variable Blade Row Spacing in a Subsonic Axial Turbine
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Topics: Blades, Flow (Dynamics), Rotors, Stators, Turbines, Wakes
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
Proceedings Papers

Numerical and Experimental Analysis of the Effect of Variable Blade Row Spacing in a Subsonic Axial Turbine

M. Restemeier, P. Jeschke, Y. Guendogdu, J. Gier
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1539-1550, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45637
https://doi.org/10.1115/GT2011-45637
View Paper titled, Numerical and Experimental Analysis of the Effect of Variable Blade Row Spacing in a Subsonic Axial Turbine
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Topics: Blades, Experimental analysis, Turbines, Aerodynamics, Axial flow, Engineering simulation, Flow (Dynamics), Geometry, Jet propulsion, Kinetic energy
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
Proceedings Papers

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

P. Schuepbach, R. S. Abhari, M. G. Rose, T. Germain, I. Raab, J. Gier
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1121-1133, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50470
https://doi.org/10.1115/GT2008-50470
View Paper titled, Improving Efficiency of a High Work Turbine Using Non-Axisymmetric Endwalls: Part II—Time-Resolved Flow Physics
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Topics: Flow (Dynamics), Physics, Turbines, Vorticity, Rotors, Energy dissipation, Probes, Axial flow, Design, Geometry
Proceedings Papers

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
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1135-1145, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50471
https://doi.org/10.1115/GT2008-50471
View Paper 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), Suction, Turbines, Rotors, Cavities, Disks, Fluids, Gases, High pressure (Physics), Stators
Proceedings Papers

Modal Strain Analyses of a Radial Turbine

B. Irwanto, J. Gier, D. Pawandenat, H.-J. Hardtke
Proc. ASME. GT2003, Volume 4: Turbo Expo 2003, 207-214, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38327
https://doi.org/10.1115/GT2003-38327
View Paper titled, Modal Strain Analyses of a Radial Turbine
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Topics: Turbines, Blades, Stress, Computation, Finite element analysis, Resonance, Rotating blades, Strain measurement, Theoretical analysis
Proceedings Papers

Aerodesign and Testing of an Aero-Mechanically Highly Loaded LP Turbine

F. J. Malzacher, J. Gier, F. Lippl
Proc. ASME. GT2003, Volume 6: Turbo Expo 2003, Parts A and B, 201-209, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38338
https://doi.org/10.1115/GT2003-38338
View Paper titled, Aerodesign and Testing of an Aero-Mechanically Highly Loaded LP Turbine
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Topics: Testing, Turbines, Design, Pressure, Aircraft engines, Airfoils, Cascades (Fluid dynamics), Computational fluid dynamics, Cooling, Engines
Proceedings Papers

Improving 3D Flow Characteristics in a Multistage LP Turbine by Means of Endwall Contouring and Airfoil Design Modification: Part 1 — Design and Experimental Investigation

S. Eymann, U. Reinmo¨ller, R. Niehuis, W. Fo¨rster, M. Beversdorff, J. Gier
Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 249-260, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30352
https://doi.org/10.1115/GT2002-30352
View Paper titled, Improving 3D Flow Characteristics in a Multistage LP Turbine by Means of Endwall Contouring and Airfoil Design Modification: Part 1 — Design and Experimental Investigation
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Topics: Airfoils, Design, Flow (Dynamics), Turbines, Pressure, Aircraft engines, Probes, Circuits, Computer simulation, Lasers
Journal Articles

Aerodesign and Testing of an Aeromechanically Highly Loaded LP Turbine

F. J. Malzacher, J. Gier, F. Lippl
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 643–649.
https://doi.org/10.1115/1.2172646
Published Online: December 19, 2003
View Article titled, Aerodesign and Testing of an Aeromechanically Highly Loaded LP Turbine
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Topics: Design, Mach number, Turbines, Airfoils, Pressure, Flow (Dynamics), Reynolds number, Cascades (Fluid dynamics), Boundary-value problems
Journal Articles

The Computation of Adjacent Blade-Row Effects in a 1.5-Stage Axial Flow Turbine

R. Emunds, I. K. Jennions, D. Bohn, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 1999, 121(1): 1–10.
https://doi.org/10.1115/1.2841230
Published Online: January 1, 1999
View Article titled, The Computation of Adjacent Blade-Row Effects in a 1.5-Stage Axial Flow Turbine
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Topics: Axial flow, Blades, Computation, Turbines, Flow (Dynamics), Boundary-value problems, Computer simulation, Engineering simulation, Engines, Rotors
Journal Articles

The Effect of Turbulence on the Heat Transfer in Closed Gas-Filled Rotating Annuli

D. Bohn, J. Gier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1998, 120(4): 824–830.
https://doi.org/10.1115/1.2841795
Published Online: October 1, 1998
View Article titled, The Effect of Turbulence on the Heat Transfer in Closed Gas-Filled Rotating Annuli
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Topics: Annulus, Heat transfer, Turbulence, Flow (Dynamics), Gas turbines, Rotors, Cavities, Computation, Cooling, Modeling