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Proceedings Papers

Overview on Test Cases for Computation of Internal Flows in Turbomachines

Leonhard Fottner
Proc. ASME. GT1989, Volume 1: Turbomachinery, V001T01A020, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-46
https://doi.org/10.1115/89-GT-46
View Paper titled, Overview on Test Cases for Computation of Internal Flows in Turbomachines
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Topics: Aircraft engines, Blades, Compressors, Computation, Computational methods, Computers, Design, Ducts, Energetics, Flow (Dynamics)
Proceedings Papers

The Influence of Inlet Swirl Distortions on the Performance of a Jet Propulsion Two-Stage Axial Compressor

Wolfram Pazur, Leonhard Fottner
Proc. ASME. GT1990, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; General, V005T16A005, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-147
https://doi.org/10.1115/90-GT-147
View Paper titled, The Influence of Inlet Swirl Distortions on the Performance of a Jet Propulsion Two-Stage Axial Compressor
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Topics: Compressors, Jet propulsion, Engines, Diffusers, Pressure, Temperature, Turbochargers, Wings
Proceedings Papers

Performance Improvements of Compressor Cascades by Controlling the Profile and Sidewall Boundary Layers

Wolfgang Sturm, Hermann Scheugenpflug, Leonhard Fottner
Proc. ASME. GT1991, Volume 1: Turbomachinery, V001T01A082, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-260
https://doi.org/10.1115/91-GT-260
View Paper titled, Performance Improvements of Compressor Cascades by Controlling the Profile and Sidewall Boundary Layers
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Topics: Boundary layers, Compressors, Blades, Engines, Turbojets, Airfoils, Cascades (Fluid dynamics), Design, Diffusion (Physics), Flow separation
Proceedings Papers

The Influence of Load Distribution on Secondary Flow in Straight Turbine Cascades

Andreas P. Weiß, Leonhard Fottner
Proc. ASME. GT1993, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A027, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-086
https://doi.org/10.1115/93-GT-086
View Paper titled, The Influence of Load Distribution on Secondary Flow in Straight Turbine Cascades
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Topics: Flow (Dynamics), Stress, Turbines, Cascades (Fluid dynamics), Flow visualization, Pressure, Probes
Proceedings Papers

Highly Loaded Tandem Compressor Cascade With Variable Camber and Stagger

Johann Sachmann, Leonhard Fottner
Proc. ASME. GT1993, Volume 3A: General, V03AT15A086, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-235
https://doi.org/10.1115/93-GT-235
View Paper titled, Highly Loaded Tandem Compressor Cascade With Variable Camber and Stagger
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Topics: Cascades (Fluid dynamics), Compressors, Stators, Blades, Design, Engines, Cycles, Flow (Dynamics), Fuel consumption, High pressure (Physics)
Proceedings Papers

The Aerodynamic Mixing Effect of Discrete Cooling Jets With Mainstream Flow on a Highly Loaded Turbine Blade

Günter Wilfert, Leonhard Fottner
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A084, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-235
https://doi.org/10.1115/94-GT-235
View Paper titled, The Aerodynamic Mixing Effect of Discrete Cooling Jets With Mainstream Flow on a Highly Loaded Turbine Blade
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Topics: Cooling, Flow (Dynamics), Jets, Turbine blades, Vortices, Boundary layers, Cascades (Fluid dynamics), Probes, Turbines, Film cooling
Proceedings Papers

Investigations of Shock/Boundary-Layer Interaction in a Highly Loaded Compressor Cascade

Ralf M. Bell, Leonhard Fottner
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A016, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-084
https://doi.org/10.1115/95-GT-084
View Paper titled, Investigations of Shock/Boundary-Layer Interaction in a Highly Loaded Compressor Cascade
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Topics: Boundary layers, Cascades (Fluid dynamics), Compressors, Shock (Mechanics), Flow (Dynamics), Mach number, Pressure, Reynolds number, Blades, Chords (Trusses)
Proceedings Papers

Experimental Investigation of Boundary Layer Transition and Turbulence Structures on a Highly Loaded Compressor Cascade

Dirk Wunderwald, Leonhard Fottner
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A032, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-129
https://doi.org/10.1115/95-GT-129
View Paper titled, Experimental Investigation of Boundary Layer Transition and Turbulence Structures on a Highly Loaded Compressor Cascade
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Topics: Boundary layers, Cascades (Fluid dynamics), Compressors, Turbulence, Blades, Boundary layer turbulence, Flow (Dynamics), Stress, Engines, Gages
Proceedings Papers

Calculations of Effects of Rotating Inlet Distortion on Flow Instabilities in Compression Systems

Jun Hu, Leonhard Fottner
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A055, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-196
https://doi.org/10.1115/95-GT-196
View Paper titled, Calculations of Effects of Rotating Inlet Distortion on Flow Instabilities in Compression Systems
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Topics: Compression, Flow instability, Surges, Compressors, Resonance, Stability, Transients (Dynamics), Design, Flow (Dynamics), Pressure
Proceedings Papers

Influence of Tip-Clearance, Aspect Ratio, Blade Loading, and Inlet Boundary Layer on Secondary Losses in Compressor Cascades

Jürgen Hübner, Leonhard Fottner
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A125, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-505
https://doi.org/10.1115/96-GT-505
View Paper titled, Influence of Tip-Clearance, Aspect Ratio, Blade Loading, and Inlet Boundary Layer on Secondary Losses in Compressor Cascades
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Topics: Blades, Boundary layers, Clearances (Engineering), Compressors, Flow (Dynamics), Cascades (Fluid dynamics), Displacement, Flow visualization, Pressure, Probes
Proceedings Papers

Experimental Investigation of Turbulence Structures in the Boundary Layer of a Highly Loaded Turbine Cascade

Dirk Wunderwald, Leonhard Fottner
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T16A012, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-249
https://doi.org/10.1115/96-GT-249
View Paper titled, Experimental Investigation of Turbulence Structures in the Boundary Layer of a Highly Loaded Turbine Cascade
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Topics: Boundary layers, Cascades (Fluid dynamics), Turbines, Turbulence, Blades, Flow (Dynamics), Stress, Suction, Boundary layer turbulence, Engines
Proceedings Papers

Flow Field Measurements on a Large Scale Turbine Cascade With Leading Edge Film Cooling by Two Rows of Holes

Sabine Ardey, Leonhard Fottner
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A107, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-524
https://doi.org/10.1115/97-GT-524
View Paper titled, Flow Field Measurements on a Large Scale Turbine Cascade With Leading Edge Film Cooling by Two Rows of Holes
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Topics: Cascades (Fluid dynamics), Film cooling, Flow (Dynamics), Turbines, Pressure, Vortices, Suction, Kidney, Blades, Bubbles
Proceedings Papers

A Systematic Experimental Study on the Aerodynamics of Leading Edge Film Cooling on a Large Scale High Pressure Turbine Cascade

Sabine Ardey, Leonhard Fottner
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A074, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-434
https://doi.org/10.1115/98-GT-434
View Paper titled, A Systematic Experimental Study on the Aerodynamics of Leading Edge Film Cooling on a Large Scale High Pressure Turbine Cascade
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Topics: Aerodynamics, Cascades (Fluid dynamics), Film cooling, High pressure (Physics), Turbines, Coolants, Flow (Dynamics), Geometry, Blades, Pressure
Proceedings Papers

A Numerical Study of the Influence of Grid Refinement and Turbulence Modelling on the Flow Field Inside a Highly Loaded Turbine Cascade

Thomas Hildebrandt, Leonhard Fottner
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A055, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-240
https://doi.org/10.1115/98-GT-240
View Paper titled, A Numerical Study of the Influence of Grid Refinement and Turbulence Modelling on the Flow Field Inside a Highly Loaded Turbine Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Modeling, Turbines, Turbulence, Resolution (Optics), Design, Turbomachinery, Computation, Reynolds number
Proceedings Papers

Experimental and Numerical Investigation of Flapping Wing Propulsion and its Application for Boundary Layer Control

Claus M. Dohring, Leonhard Fottner, Max F. Platzer
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A014, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-046
https://doi.org/10.1115/98-GT-046
View Paper titled, Experimental and Numerical Investigation of Flapping Wing Propulsion and its Application for Boundary Layer Control
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Topics: Boundary layers, Propulsion, Wings, Airfoils, Flow (Dynamics), Vortices, Wakes, Water tunnels, Computation, Flat plates
Proceedings Papers

Controlling the Secondary Flow in a Turbine Cascade by 3D Airfoil Design and Endwall Contouring

Arno Duden, Irene Raab, Leonhard Fottner
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A023, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-072
https://doi.org/10.1115/98-GT-072
View Paper titled, Controlling the Secondary Flow in a Turbine Cascade by 3D Airfoil Design and Endwall Contouring
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Topics: Airfoils, Cascades (Fluid dynamics), Design, Flow (Dynamics), Turbines, Pressure, Wind tunnels
Proceedings Papers

An Experimental Study on the Aerodynamics and the Heat Transfer of a Suction Side Film Cooled Large Scale Turbine Cascade

Wolfgang Ganzert, Leonhard Fottner
Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A013, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-039
https://doi.org/10.1115/99-GT-039
View Paper titled, An Experimental Study on the Aerodynamics and the Heat Transfer of a Suction Side Film Cooled Large Scale Turbine Cascade
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Topics: Aerodynamics, Cascades (Fluid dynamics), Heat transfer, Suction, Turbines, Pressure, Film cooling, Flow (Dynamics), Heat transfer coefficients, Steady state
Proceedings Papers

The Influence of Technical Surface Roughness on the Flow Around a Highly Loaded Compressor Cascade

Robert Leipold, Matthias Boese, Leonhard Fottner
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T04A022, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-366
https://doi.org/10.1115/99-GT-366
View Paper titled, The Influence of Technical Surface Roughness on the Flow Around a Highly Loaded Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Surface roughness, Separation (Technology), Blades, Bubbles, Pressure, Reynolds number, Copper
Proceedings Papers

The Secondary Flow Field of a Turbine Cascade With 3D Airfoil Design and Endwall Contouring at Off-Design Incidence

Arno Duden, Leonhard Fottner
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A043, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-211
https://doi.org/10.1115/99-GT-211
View Paper titled, The Secondary Flow Field of a Turbine Cascade With 3D Airfoil Design and Endwall Contouring at Off-Design Incidence
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Topics: Airfoils, Cascades (Fluid dynamics), Design, Flow (Dynamics), Turbines, Wind tunnels
Proceedings Papers

Stall Inception in a 5-Stage HP-Compressor With Increased Load due to Inlet Distortion

Werner Jahnen, Thomas Peters, Leonhard Fottner
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A067, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-440
https://doi.org/10.1115/99-GT-440
View Paper titled, Stall Inception in a 5-Stage HP-Compressor With Increased Load due to Inlet Distortion
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Topics: Compressors, Stall inception, Stress, Damping, Flow (Dynamics), Diffusion (Physics), Pressure, Stability, Wire