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Karl Engel
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Proceedings Papers

Numerical Simulation of the Flow in the Row Labyrinth Seal of an Axial Turbine Using a Low-Mach Preconditioning Technique

Jens Fiedler, Anton Weber, Arianna Bosco, Karl Engel, Francesca di Mare
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A024, June 13–17, 2016
Paper No: GT2016-56659
DOI: https://doi.org/10.1115/GT2016-56659
View Paper titled, Numerical Simulation of the Flow in the Row Labyrinth Seal of an Axial Turbine Using a Low-Mach Preconditioning Technique
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Topics: Computer simulation, Flow (Dynamics), Turbines, Boundary-value problems, Cavities, Blades, Mach number, Topology, Acoustics, Algorithms
Proceedings Papers

Unsteady Work and Wake Recovery due to Pressure Wave Interaction in a LP Turbine

Martin Marx, Martin Lipfert, Martin G. Rose, Stephan Staudacher, Karl Engel
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A023, June 15–19, 2015
Paper No: GT2015-43276
DOI: https://doi.org/10.1115/GT2015-43276
View Paper titled, Unsteady Work and Wake Recovery due to Pressure Wave Interaction in a LP Turbine
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Topics: Pressure, Turbines, Wakes, Waves, Fluids, Rotors, Particulate matter, Blades, Cycles, Momentum
Proceedings Papers

Numerical Investigation of the Clocking Effects in a Multistage Turbine

Frank Eulitz, Karl Engel, Hermann Gebing
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A008, June 10–13, 1996
Paper No: 96-GT-026
DOI: https://doi.org/10.1115/96-GT-026
View Paper titled, Numerical Investigation of the Clocking Effects in a Multistage Turbine
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Topics: Turbines, Stators, Flow (Dynamics), Rotors, Turbulence, Entropy, Wakes
Proceedings Papers

Numerical Investigation of Wake Interaction in a Low Pressure Turbine

Frank Eulitz, Karl Engel
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A134, June 2–5, 1998
Paper No: 98-GT-563
DOI: https://doi.org/10.1115/98-GT-563
View Paper titled, Numerical Investigation of Wake Interaction in a Low Pressure Turbine
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Topics: Pressure, Turbines, Wakes, Boundary layers, Turbulence, Eddies (Fluid dynamics), Flow (Dynamics), Fluctuations (Physics), Mach number, Rotors
Proceedings Papers

A Numerical Model for Casing Treatment Applications in Axial Flow Compressors

Nina Wolfrum, Giovanni Brignole, Karl Engel
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT35A008, June 3–7, 2013
Paper No: GT2013-94408
DOI: https://doi.org/10.1115/GT2013-94408
View Paper titled, A Numerical Model for Casing Treatment Applications in Axial Flow Compressors
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Topics: Axial flow, Compressors, Computer simulation, Simulation, Flow (Dynamics), Computational fluid dynamics, Geometry, Navier-Stokes equations, Computation, Design
Proceedings Papers

Unsteady Wake-Blade Interaction: A Correlation Between Surface Pressure Fluctuations and Loss Generation

Marc H.-O. Biester, Michael Henke, Jörg R. Seume, Yavuz Gündogdu, Karl Engel
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2743-2752, June 11–15, 2012
Paper No: GT2012-69616
DOI: https://doi.org/10.1115/GT2012-69616
View Paper titled, Unsteady Wake-Blade Interaction: A Correlation Between Surface Pressure Fluctuations and Loss Generation
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Topics: Blades, Fluctuations (Physics), Pressure, Wakes, Flow (Dynamics), Turbines, Computation, Deformation, Entropy, Unsteady flow
Proceedings Papers

Numerical Study of Reynolds Number Effects of Cavity Volumes and Seal Gaps on LP Turbine Performance

Georg A. Reichstein, Martin G. Rose, Stephan Staudacher, Karl Engel
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1043-1051, June 11–15, 2012
Paper No: GT2012-68261
DOI: https://doi.org/10.1115/GT2012-68261
View Paper titled, Numerical Study of Reynolds Number Effects of Cavity Volumes and Seal Gaps on LP Turbine Performance
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Topics: Cavities, Reynolds number, Turbines, Aircraft engines, Aircraft propulsion, Computational fluid dynamics, Computer simulation, Flow (Dynamics), Probes, Simulation
Journal Articles

Effects of Vortex Generator Application on the Performance of a Compressor Cascade

Alexander Hergt, Robert Meyer, Karl Engel
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021026.
Paper No: TURBO-11-1126
DOI: https://doi.org/10.1115/1.4006605
Published Online: November 8, 2012
View Article titled, Effects of Vortex Generator Application on the Performance of a Compressor Cascade
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Generators, Vortices, Pressure, Compressors
Journal Articles

Low Pressure Turbine Secondary Vortices: Reynolds Lapse

Matthias Kuerner, Georg A. Reichstein, Daniel Schrack, Martin G. Rose, Stephan Staudacher, Jochen Gier, Karl Engel
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061022.
DOI: https://doi.org/10.1115/1.4006299
Published Online: September 4, 2012
View Article titled, Low Pressure Turbine Secondary Vortices: Reynolds Lapse
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Topics: Cavities, Reynolds number, Turbines, Vortices, Pressure, Computational fluid dynamics, Flow (Dynamics), Computation
Proceedings Papers

LP Turbine Secondary Vortices: Reynolds Lapse

Matthias Kuerner, Georg A. Reichstein, Daniel Schrack, Martin G. Rose, Stephan Staudacher, Jochen Gier, Karl Engel
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 643-651, June 6–10, 2011
Paper No: GT2011-45557
DOI: https://doi.org/10.1115/GT2011-45557
View Paper titled, LP Turbine Secondary Vortices: Reynolds Lapse
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Topics: Turbines, Vortices, Reynolds number, Cavities, Computer simulation, Simulation, Aircraft engines, Aircraft propulsion, Cavity flows, Computation
Proceedings Papers

Effects of Vortex Generator Application on the Performance of a Compressor Cascade

Alexander Hergt, Robert Meyer, Karl Engel
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 223-235, June 14–18, 2010
Paper No: GT2010-22464
DOI: https://doi.org/10.1115/GT2010-22464
View Paper titled, Effects of Vortex Generator Application on the Performance of a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Generators, Vortices, Design, Flow (Dynamics), Corners (Structural elements), Cross-flow, Pressure, Separation (Technology)
Proceedings Papers

CFD Simulations of the TP400 IPC With Enhanced Casing Treatment in Off-Design Operating Conditions

Karl Engel, Carsten Zscherp, Nina Wolfrum, Dirk Nu¨rnberger, Edmund Ku¨geler
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 335-343, June 8–12, 2009
Paper No: GT2009-60324
DOI: https://doi.org/10.1115/GT2009-60324
View Paper titled, CFD Simulations of the TP400 IPC With Enhanced Casing Treatment in Off-Design Operating Conditions
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Topics: Computational fluid dynamics, Design, Simulation, Flow (Dynamics), Geometry, Resolution (Optics), Actuators, Chain, Compressors, Pressure
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
View Paper titled, Clocking Effects in a 1.5-Stage Axial Turbine: Boundary Layer Behaviour at Midspan
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Topics: Boundary layers, Turbines, Pressure, Stators, Sensors, Shear stress, Turbulence
Proceedings Papers

Modeling and Analysis of Main Flow–Shroud Leakage Flow Interaction in LP Turbines

Jochen Gier, Karl Engel, Bertram Stubert, Ralf Wittmaack
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 745-755, May 8–11, 2006
Paper No: GT2006-90773
DOI: https://doi.org/10.1115/GT2006-90773
View Paper titled, Modeling and Analysis of Main Flow–Shroud Leakage Flow Interaction in LP Turbines
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Topics: Flow (Dynamics), Leakage flows, Modeling, Turbines, Design, Airfoils, Computation, Geometry, Boundary-value problems, Cavities