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Proceedings Papers

Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions

Pierre Sivel, Christian Frey, Edmund Kügeler, Markus Keil

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A005, June 13–17, 2022

Paper No: GT2022-79369

DOI: https://doi.org/10.1115/GT2022-79369

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Topics: Cavities, Flow simulation, Turbomachinery, Fluids, Computation, Exhaust systems, Gases, Computer simulation, Density, Inflow

Journal Articles

Statistical Error Estimation Methods for Engineering-Relevant Quantities From Scale-Resolving Simulations

Michael Bergmann, Christian Morsbach, Graham Ashcroft, Edmund Kügeler

J. Turbomach. March 2022, 144(3): 031005.

Paper No: TURBO-21-1038

DOI: https://doi.org/10.1115/1.4052402

Published Online: October 1, 2021

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Topics: Blades, Errors, Pressure, Signals, Simulation, Transients (Dynamics), Flow (Dynamics), Turbulence, Wakes

Journal Articles

A New Harmonic Balance Approach Using Multidimensional Time

Laura Junge, Christian Frey, Graham Ashcroft, Edmund Kügeler

J. Eng. Gas Turbines Power. August 2021, 143(8): 081007.

Paper No: GTP-20-1505

DOI: https://doi.org/10.1115/1.4049698

Published Online: March 31, 2021

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Topics: Blades, Flow (Dynamics), Fourier transforms, Pressure, Simulation, Wakes, Unsteady flow, Flutter (Aerodynamics), Inflow

Proceedings Papers

Quantitative Flow Imaging of Film Cooling Jets in a Cross-Flow Using Particle Image Velocimetry and Computational Fluid Dynamics

Robin G. Brakmann, Robin Schöffler, Frank Kocian, Michael Schroll, Christian Willert, Martin Müller, Edmund Kügeler

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A069, September 21–25, 2020

Paper No: GT2020-16141

DOI: https://doi.org/10.1115/GT2020-16141

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Topics: Computational fluid dynamics, Cross-flow, Film cooling, Flow (Dynamics), Imaging, Jets, Particulate matter, Turbulence, Algebra, Computer simulation

Proceedings Papers

A New Harmonic Balance Approach Using Multidimensional Time

Laura Junge, Christian Frey, Graham Ashcroft, Edmund Kügeler

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A031, September 21–25, 2020

Paper No: GT2020-16224

DOI: https://doi.org/10.1115/GT2020-16224

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Topics: Aeroelasticity, Blades, Computer simulation, Engineering simulation, Errors, Excitation, Flow (Dynamics), Flutter (Aerodynamics), Fourier transforms, Inflow

Journal Articles

On the Simulation and Spectral Analysis of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine

Georg Geiser, Jens Wellner, Edmund Kügeler, Anton Weber, Anselm Moors

J. Turbomach. May 2019, 141(5): 051012.

Paper No: TURBO-18-1281

DOI: https://doi.org/10.1115/1.4041820

Published Online: January 25, 2019

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Topics: Blades, Flow (Dynamics), Flow separation, Pressure, Simulation, Turbines, Turbulence, Wheels, Fluctuations (Physics), Separation (Technology)

Proceedings Papers

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part III — Comparison of Harmonic Balance and Full Wheel Simulation

Edmund Kügeler, Georg Geiser, Jens Wellner, Anton Weber, Anselm Moors

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A041, June 11–15, 2018

Paper No: GT2018-76749

DOI: https://doi.org/10.1115/GT2018-76749

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Topics: Pressure, Simulation, Turbine components, Turbulence, Wheels, Stators, Turbines, Blades, Flow (Dynamics), Separation (Technology)

Proceedings Papers

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part I — Verification and Validation

Graham Ashcroft, Christian Frey, Hans-Peter Kersken, Edmund Kügeler, Nina Wolfrum

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A042, June 11–15, 2018

Paper No: GT2018-76756

DOI: https://doi.org/10.1115/GT2018-76756

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Topics: Pressure, Simulation, Turbine components, Turbulence, Boundary-value problems, Turbines, Airfoils, Computational fluid dynamics, Flow (Dynamics), Unsteady flow

Proceedings Papers

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part II — Full-Wheel Simulation

Georg Geiser, Jens Wellner, Edmund Kügeler, Anton Weber, Anselm Moors

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A043, June 11–15, 2018

Paper No: GT2018-76764

DOI: https://doi.org/10.1115/GT2018-76764

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Topics: Pressure, Simulation, Turbine components, Turbulence, Wheels, Blades, Bubbles, Separation (Technology), Turbines, Clocks

Proceedings Papers

Flow Analysis of a High Flowrate Centrifugal Compressor Stage and Comparison With Test Rig Data

Anton Weber, Christian Morsbach, Edmund Kügeler, Christoph Rube, Matthias Wedeking

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A014, June 13–17, 2016

Paper No: GT2016-56551

DOI: https://doi.org/10.1115/GT2016-56551

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Topics: Compressors, Flow (Dynamics), Impellers, Turbulence, Blades, Computational fluid dynamics, Reynolds-averaged Navier–Stokes equations, Ducts, Engineering simulation, Inflow

Proceedings Papers

Time-Domain Implementation of Higher-Order Non-Reflecting Boundary Conditions for Turbomachinery Applications

Stefan Henninger, Peter Jeschke, Graham Ashcroft, Edmund Kügeler

Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A016, June 15–19, 2015

Paper No: GT2015-42362

DOI: https://doi.org/10.1115/GT2015-42362

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Topics: Boundary-value problems, Turbomachinery, Blades, Acoustics, Flutter (Aerodynamics), Laplace transforms, Reflection, Approximation, Bessel functions, Contamination

Proceedings Papers

Adaption of Giles Non-Local Non-Reflecting Boundary Conditions for a Cell-Centered Solver for Turbomachinery Applications

Sebastian Robens, Peter Jeschke, Christian Frey, Edmund Kügeler, Arianna Bosco, Thomas Breuer

Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A022, June 3–7, 2013

Paper No: GT2013-94957

DOI: https://doi.org/10.1115/GT2013-94957

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Topics: Boundary-value problems, Turbomachinery, Flow (Dynamics), Aerodynamics, Approximation, Blades, Compressors, Simulation, Turbines

Proceedings Papers

Deterministic Stress Modeling for Multistage Compressor Flowfields

Stefan Stollenwerk, Edmund Kügeler

Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A019, June 3–7, 2013

Paper No: GT2013-94860

DOI: https://doi.org/10.1115/GT2013-94860

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Topics: Compressors, Modeling, Stress, Blades, Turbomachinery, Reynolds-averaged Navier–Stokes equations, Aircraft engines, Engineering simulation, Experimental methods, Flow (Dynamics)

Proceedings Papers

Assessment of Transition Modeling for the Design of Controlled Diffusion Airfoil Compressor Cascades

Vincent Marciniak, Marco Longhitano, Edmund Kügeler

Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT35A016, June 3–7, 2013

Paper No: GT2013-94864

DOI: https://doi.org/10.1115/GT2013-94864

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Topics: Airfoils, Compressors, Design, Diffusion (Physics), Modeling, Flow (Dynamics), Mach number, Turbulence, Reynolds number, Turbomachinery

Journal citation

NARROW

Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions

Statistical Error Estimation Methods for Engineering-Relevant Quantities From Scale-Resolving Simulations

A New Harmonic Balance Approach Using Multidimensional Time

Quantitative Flow Imaging of Film Cooling Jets in a Cross-Flow Using Particle Image Velocimetry and Computational Fluid Dynamics

A New Harmonic Balance Approach Using Multidimensional Time

On the Simulation and Spectral Analysis of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part III — Comparison of Harmonic Balance and Full Wheel Simulation

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part I — Verification and Validation

On the Simulation of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine: Part II — Full-Wheel Simulation

Flow Analysis of a High Flowrate Centrifugal Compressor Stage and Comparison With Test Rig Data

Time-Domain Implementation of Higher-Order Non-Reflecting Boundary Conditions for Turbomachinery Applications

Adaption of Giles Non-Local Non-Reflecting Boundary Conditions for a Cell-Centered Solver for Turbomachinery Applications

Deterministic Stress Modeling for Multistage Compressor Flowfields

Assessment of Transition Modeling for the Design of Controlled Diffusion Airfoil Compressor Cascades

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