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Christoph Lyko
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Journal Articles

Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries

Dominik Ade, Johannes Eitenmüller, Sebastian Leichtfuß, Heinz-Peter Schiffer, Christoph Lyko, Gregor Schmid
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081005.
Paper No: TURBO-22-1224
DOI: https://doi.org/10.1115/1.4062123
Published Online: April 3, 2023
View Article titled, Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries
Click here to open pdf in another window PDF for Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries
Topics: Annulus, Blades, Flow (Dynamics), Leakage, Leakage flows, Rotors, Vortices, Turbines, Design
Proceedings Papers

Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries

Dominik Ade, Johannes Eitenmüller, Sebastian Leichtfuß, Heinz-Peter Schiffer, Christoph Lyko, Gregor Schmid
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A008, June 13–17, 2022
Paper No: GT2022-80896
DOI: https://doi.org/10.1115/GT2022-80896
View Paper titled, Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries
Click here to open pdf in another window PDF for Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries
Topics: Annulus, Flow (Dynamics), Leakage, Rotors, Turbines, Blades, Leakage flows, Vortices, Cavities, Design
Proceedings Papers

Highly Accurate Delta Efficiency Measurements at the Large Scale Turbine Rig

Johannes Eitenmüller, Manuel Wilhelm, Leonhard Gresser, Tom Ostrowksi, Sebastian Leichtfuss, Heinz-Peter Schiffer, Christoph Lyko, Shailendra Naik
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A001, June 17–21, 2019
Paper No: GT2019-90294
DOI: https://doi.org/10.1115/GT2019-90294
View Paper titled, Highly Accurate Delta Efficiency Measurements at the Large Scale Turbine Rig
Click here to open pdf in another window PDF for Highly Accurate Delta Efficiency Measurements at the Large Scale Turbine Rig
Topics: Turbines, Inflow, Clearances (Engineering), Design, Geometry, Accounting, Combustion chambers, High pressure (Physics), Nozzle guide vanes, Swirling flow
Proceedings Papers

Investigation of Bypass Transition in the Presence of a Separation Bubble With Tomographic PIV

Christoph Lyko, Dirk Michaelis, Dieter Peitsch, Mirko Dittmar
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A036, June 13–17, 2016
Paper No: GT2016-57884
DOI: https://doi.org/10.1115/GT2016-57884
View Paper titled, Investigation of Bypass Transition in the Presence of a Separation Bubble With Tomographic PIV
Click here to open pdf in another window PDF for Investigation of Bypass Transition in the Presence of a Separation Bubble With Tomographic PIV
Topics: Bubbles, Separation (Technology), Flow (Dynamics), Pressure, Boundary layers, Reynolds number, Turbines, Wire, Airfoils, Blades
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
View Paper titled, Analysis of Laminar-Turbulent Transition of a Low-Loss Generic Low Pressure Turbine Distribution
Click here to open pdf in another window PDF for Analysis of Laminar-Turbulent Transition of a Low-Loss Generic Low Pressure Turbine Distribution
Topics: Pressure, Turbines, Turbulence, Reynolds number, Blades, Engines, Geometry, Reynolds-averaged Navier–Stokes equations, Suction, Turbofans
Proceedings Papers

Forcing of Separation Bubbles by Main Flow Unsteadiness or Pulsed Vortex Generating Jets: A Comparison

Christoph Lyko, Jerrit Dähnert, Dieter Peitsch
Proc. ASME. GT2013, Volume 6C: Turbomachinery, V06CT42A015, June 3–7, 2013
Paper No: GT2013-94575
DOI: https://doi.org/10.1115/GT2013-94575
View Paper titled, Forcing of Separation Bubbles by Main Flow Unsteadiness or Pulsed Vortex Generating Jets: A Comparison
Click here to open pdf in another window PDF for Forcing of Separation Bubbles by Main Flow Unsteadiness or Pulsed Vortex Generating Jets: A Comparison
Topics: Bubbles, Flow (Dynamics), Jets, Separation (Technology), Vortices, Reynolds number, Pressure, Turbines, Blades, Boundary layers
Journal Articles

Forcing of Separation Bubbles by Main Flow Unsteadiness or Pulsed Vortex Generating Jets—A Comparison

Christoph Lyko, Jerrit Dähnert, Dieter Peitsch
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2014, 136(5): 051016.
Paper No: TURBO-13-1125
DOI: https://doi.org/10.1115/1.4025214
Published Online: October 23, 2013
View Article titled, Forcing of Separation Bubbles by Main Flow Unsteadiness or Pulsed Vortex Generating Jets—A Comparison
Click here to open pdf in another window PDF for Forcing of Separation Bubbles by Main Flow Unsteadiness or Pulsed Vortex Generating Jets—A Comparison
Topics: Boundary layers, Bubbles, Flow (Dynamics), Separation (Technology), Turbulence, Vortices, Shapes, Momentum, Reynolds number
Journal Articles

Transition Mechanisms in Laminar Separated Flow Under Simulated Low Pressure Turbine Aerofoil Conditions

Jerrit Dähnert, Christoph Lyko, Dieter Peitsch
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011007.
Paper No: TURBO-11-1120
DOI: https://doi.org/10.1115/1.4006393
Published Online: October 18, 2012
View Article titled, Transition Mechanisms in Laminar Separated Flow Under Simulated Low Pressure Turbine Aerofoil Conditions
Click here to open pdf in another window PDF for Transition Mechanisms in Laminar Separated Flow Under Simulated Low Pressure Turbine Aerofoil Conditions
Topics: Boundary layers, Bubbles, Flow (Dynamics), Pressure, Reynolds number, Separation (Technology), Turbulence, Airfoils, Shear (Mechanics), Momentum
Proceedings Papers

Transition Mechanisms in Laminar Separated Flow Under Simulated Low Pressure Turbine Airfoil Conditions

Jerrit Da¨hnert, Christoph Lyko, Dieter Peitsch
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1575-1587, June 6–10, 2011
Paper No: GT2011-45690
DOI: https://doi.org/10.1115/GT2011-45690
View Paper titled, Transition Mechanisms in Laminar Separated Flow Under Simulated Low Pressure Turbine Airfoil Conditions
Click here to open pdf in another window PDF for Transition Mechanisms in Laminar Separated Flow Under Simulated Low Pressure Turbine Airfoil Conditions
Topics: Airfoils, Flow (Dynamics), Pressure, Turbines, Reynolds number, Separation (Technology), Bubbles, Turbulence, Suction, Boundary layers