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Proceedings Papers

Analysis of Laminar-Turbulent Transition of a Low-Loss Generic Low Pressure Turbine Distribution

Christian Brück, Christoph Lyko, Dieter Peitsch, Christoph Bode, Jens Friedrichs, Dragan Kožulović, Andreas Fiala, Yavuz Guendogdu
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A019, June 15–19, 2015
Paper No: GT2015-42824
DOI: https://doi.org/10.1115/GT2015-42824
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Topics: Pressure, Turbines, Turbulence, Reynolds number, Blades, Engines, Geometry, Reynolds-averaged Navier–Stokes equations, Suction, Turbofans
Proceedings Papers

Experimental and Numerical Investigation of Wake-Induced Transition on a Highly Loaded LP Turbine at Low Reynolds Numbers

Peter Stadtmüller, Leonhard Fottner, Andreas Fiala
Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A074, May 8–11, 2000
Paper No: 2000-GT-0269
DOI: https://doi.org/10.1115/2000-GT-0269
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Topics: Reynolds number, Turbines, Wakes, Boundary layers, Blades, Pressure, Separation (Technology), Suction, Cascades (Fluid dynamics), Generators
Journal Articles

Modeling Vortex Generating Jet-Induced Transition in Low-Pressure Turbines

Florian Herbst, Andreas Fiala, Joerg R. Seume
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2014, 136(7): 071005.
Paper No: TURBO-13-1188
DOI: https://doi.org/10.1115/1.4025735
Published Online: January 2, 2014
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Topics: Boundary layers, Boundary-value problems, Cascades (Fluid dynamics), Cross-flow, Design, Flow (Dynamics), Inflow, Modeling, Pressure, Turbines
Proceedings Papers

Modelling Vortex Generating Jet-Induced Transition in Low-Pressure Turbines

Florian Herbst, Andreas Fiala, Joerg R. Seume
Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A023, June 3–7, 2013
Paper No: GT2013-94962
DOI: https://doi.org/10.1115/GT2013-94962
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Topics: Modeling, Pressure, Turbines, Vortices, Design, Computational fluid dynamics, Boundary layers, Cross-flow, Flow (Dynamics), Inflow
Proceedings Papers

Surface Thin Film Gauge Measurements in a Two-Stage Low Pressure Turbine at Low Reynolds Number

Matthias Kürner, Martin G. Rose, Stephan Staudacher, Jochen Gier, Andreas Fiala, Bastian Patzer
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1249-1261, June 11–15, 2012
Paper No: GT2012-68906
DOI: https://doi.org/10.1115/GT2012-68906
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Topics: Gages, Pressure, Reynolds number, Thin films, Turbines, Boundary layers, Aircraft engines, Aircraft propulsion, Blades, Probes
Proceedings Papers

Boundary Layer Control on a Low Pressure Turbine Blade by Means of Pulsed Blowing

Marion Mack, Reinhard Niehuis, Andreas Fiala, Yavuz Guendogdu
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1313-1322, June 11–15, 2012
Paper No: GT2012-69029
DOI: https://doi.org/10.1115/GT2012-69029
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Topics: Boundary layers, Pressure, Turbine blades, Blades, Inflow, Reynolds number, Wakes, Cascades (Fluid dynamics), Mach number
Journal Articles

Boundary Layer Control on a Low Pressure Turbine Blade by Means of Pulsed Blowing

Marion Mack, Reinhard Niehuis, Andreas Fiala, Yavuz Guendogdu
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051023.
Paper No: TURBO-12-1182
DOI: https://doi.org/10.1115/1.4023104
Published Online: June 28, 2013
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Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Inflow, Pressure, Wakes, Blades, Reynolds number
Proceedings Papers

Roughness Modeling for Turbomachinery

Andreas Fiala, Edmund Ku¨geler
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 595-607, June 6–10, 2011
Paper No: GT2011-45424
DOI: https://doi.org/10.1115/GT2011-45424
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Topics: Modeling, Surface roughness, Turbomachinery, Boundary layer turbulence, Cascades (Fluid dynamics), Computation, Flow (Dynamics), Resolution (Optics), Reynolds number, Shapes
Proceedings Papers

Aerodynamic Measurements on a Low Pressure Turbine Cascade With Different Levels of Distributed Roughness

Marco Montis, Reinhard Niehuis, Andreas Fiala
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 457-467, June 6–10, 2011
Paper No: GT2011-45015
DOI: https://doi.org/10.1115/GT2011-45015
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Topics: Cascades (Fluid dynamics), Pressure, Surface roughness, Turbines, Airfoils, Boundary layers, Flow (Dynamics), Probes, Reynolds number, Separation (Technology)
Proceedings Papers

Parametric Study of Fluidic Oscillators for Use in Active Boundary Layer Control

Marion Mack, Reinhard Niehuis, Andreas Fiala
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 469-479, June 6–10, 2011
Paper No: GT2011-45073
DOI: https://doi.org/10.1115/GT2011-45073
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Topics: Boundary layers, Pressure, Geometry, Actuators, Blades, Cascades (Fluid dynamics), Excitation, Feedback, Flow (Dynamics), Fluctuations (Physics)
Proceedings Papers

Effect of Surface Roughness on Loss Behaviour, Aerodynamic Loading and Boundary Layer Development of a Low-Pressure Gas Turbine Airfoil

Marco Montis, Reinhard Niehuis, Andreas Fiala
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 1535-1547, June 14–18, 2010
Paper No: GT2010-23317
DOI: https://doi.org/10.1115/GT2010-23317
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Topics: Airfoils, Boundary layers, Gas turbines, Pressure, Surface roughness, Probes, Cascades (Fluid dynamics), Reynolds number, Wire, Blades
Proceedings Papers

Clocking Effects in a 1.5-Stage Axial Turbine: Boundary Layer Behaviour at Midspan

Sven Ko¨nig, Axel Heidecke, Bernd Stoffel, Andreas Fiala, Karl Engel
Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 961-972, June 14–17, 2004
Paper No: GT2004-54055
DOI: https://doi.org/10.1115/GT2004-54055
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Topics: Boundary layers, Turbines, Pressure, Stators, Sensors, Shear stress, Turbulence