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Edmund Kügeler
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Journal Articles

A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations

Pierre Sivel, Christian Frey, Hans-Peter Kersken, Edmund Kügeler
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021029.
Paper No: GTP-24-1511
https://doi.org/10.1115/1.4066537
Published Online: October 26, 2024
View Article titled, A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations
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Topics: Cavities, Computation, Energy dissipation, Flutter (Aerodynamics), Mach number, Flow (Dynamics), Acoustics
Journal Articles

Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation

Christian Morsbach, Marcel Matha, Robin G. Brakmann, Sadiya Tabassum, Michael Bergmann, Michael Schroll, Christian Willert, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031002.
Paper No: TURBO-24-1139
https://doi.org/10.1115/1.4066508
Published Online: October 8, 2024
View Article titled, Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation
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Topics: Cross-flow, Dynamics (Mechanics), Flow (Dynamics), Inflow, Jets, Large eddy simulation, Temperature, Turbulence, Impingement cooling, Heat transfer
Proceedings Papers

The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 2: High-Fidelity Simulation

Bjoern F. Klose, Christian Morsbach, Michael Bergmann, Edwin J. Munoz Lopez, Alexander Hergt, Edmund Kügeler
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124264
https://doi.org/10.1115/GT2024-124264
View Paper titled, The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 2: High-Fidelity Simulation
Open the PDF for The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 2: High-Fidelity Simulation in another window
Topics: Cascades (Fluid dynamics), Compressors, Shock (Mechanics), Simulation
Proceedings Papers

Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation

Christian Morsbach, Marcel Matha, Robin G. Brakmann, Sadiya Tabassum, Michael Bergmann, Michael Schroll, Christian Willert, Edmund Kügeler
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122465
https://doi.org/10.1115/GT2024-122465
View Paper titled, Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation
Open the PDF for Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation in another window
Topics: Dynamics (Mechanics), Flow (Dynamics), Impingement cooling, Large eddy simulation
Proceedings Papers

A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations

Pierre Sivel, Christian Frey, Hans-Peter Kersken, Edmund Kügeler
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127337
https://doi.org/10.1115/GT2024-127337
View Paper titled, A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations
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Topics: Cavities, Computation, Flutter (Aerodynamics)
Proceedings Papers

Advanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Part 2 – Uncertainty Quantification of RANS Turbulence Modeling

Marcel Matha, Felix M. Möller, Christoph Bode, Christian Morsbach, Edmund Kügeler
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122495
https://doi.org/10.1115/GT2024-122495
View Paper titled, Advanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Part 2 – Uncertainty Quantification of RANS Turbulence Modeling
Open the PDF for Advanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Part 2 – Uncertainty Quantification of RANS Turbulence Modeling in another window
Topics: Compressors, Flow (Dynamics), Modeling, Physics, Reynolds-averaged Navier–Stokes equations, Turbulence, Uncertainty quantification
Journal Articles

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part I: Sliding Interfaces and Unsteady Row Interactions

Michael Bergmann, Christian Morsbach, Bjoern F. Klose, Graham Ashcroft, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021005.
Paper No: TURBO-23-1166
https://doi.org/10.1115/1.4063734
Published Online: November 13, 2023
View Article titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part I: Sliding Interfaces and Unsteady Row Interactions
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part I: Sliding Interfaces and Unsteady Row Interactions in another window
Topics: Cascades (Fluid dynamics), Flow (Dynamics), Mortar, Pressure, Simulation, Turbulence, Vortices, Large eddy simulation, Wakes, Computational fluid dynamics
Journal Articles

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part II: Shock Capturing and Transonic Flows

Bjoern F. Klose, Christian Morsbach, Michael Bergmann, Alexander Hergt, Joachim Klinner, Sebastian Grund, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021006.
Paper No: TURBO-23-1169
https://doi.org/10.1115/1.4063827
Published Online: November 13, 2023
View Article titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part II: Shock Capturing and Transonic Flows
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part II: Shock Capturing and Transonic Flows in another window
Topics: Flow (Dynamics), Shock (Mechanics), Cascades (Fluid dynamics), Compressors, Simulation, Turbines, Large eddy simulation
Journal Articles

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects

Christian Morsbach, Michael Bergmann, Adem Tosun, Bjoern F. Klose, Patrick Bechlars, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021007.
Paper No: TURBO-23-1165
https://doi.org/10.1115/1.4063511
Published Online: November 13, 2023
View Article titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme—Part III: Secondary Flow Effects in another window
Topics: Blades, Flow (Dynamics), Pressure, Wakes, Boundary layers, Turbulence, Suction, Reynolds number, Inflow, Generators
Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions

Michael Bergmann, Christian Morsbach, Björn F. Klose, Graham Ashcroft, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101623
https://doi.org/10.1115/GT2023-101623
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions in another window
Topics: Flow (Dynamics), Large eddy simulation, Turbomachinery, Wakes, Cascades (Fluid dynamics), Computer simulation, Engineering simulation, Simulation, Computational fluid dynamics, Convection
Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects

Christian Morsbach, Michael Bergmann, Adem Tosun, Björn F. Klose, Patrick Bechlars, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101374
https://doi.org/10.1115/GT2023-101374
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects in another window
Topics: Flow (Dynamics), Large eddy simulation, Turbomachinery, Wakes, Inflow, Boundary layers, Corners (Structural elements), Design, Flow visualization, Generators
Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 2: Shock-Capturing and Transonic Flows

Björn F. Klose, Christian Morsbach, Michael Bergmann, Alexander Hergt, Joachim Klinner, Sebastian Grund, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101891
https://doi.org/10.1115/GT2023-101891
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 2: Shock-Capturing and Transonic Flows
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 2: Shock-Capturing and Transonic Flows in another window
Topics: Flow (Dynamics), Large eddy simulation, Shock (Mechanics), Transonic flow, Turbomachinery
Proceedings Papers

Numerical Investigation of a Thermally Perfect Gas Model for a Centrifugal Compressor Design With Water Vapor as Working Medium

Bojan Kajasa, Eberhard Nicke, Edmund Kügeler
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101195
https://doi.org/10.1115/GT2023-101195
View Paper titled, Numerical Investigation of a Thermally Perfect Gas Model for a Centrifugal Compressor Design With Water Vapor as Working Medium
Open the PDF for Numerical Investigation of a Thermally Perfect Gas Model for a Centrifugal Compressor Design With Water Vapor as Working Medium in another window
Topics: Compressors, Computational fluid dynamics, Design, Water vapor
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79369
https://doi.org/10.1115/GT2022-79369
View Paper titled, Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031005.
Paper No: TURBO-21-1038
https://doi.org/10.1115/1.4052402
Published Online: October 1, 2021
View Article titled, Statistical Error Estimation Methods for Engineering-Relevant Quantities From Scale-Resolving Simulations
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081007.
Paper No: GTP-20-1505
https://doi.org/10.1115/1.4049698
Published Online: March 31, 2021
View Article titled, A New Harmonic Balance Approach Using Multidimensional Time
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16141
https://doi.org/10.1115/GT2020-16141
View Paper titled, Quantitative Flow Imaging of Film Cooling Jets in a Cross-Flow Using Particle Image Velocimetry and Computational Fluid Dynamics
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16224
https://doi.org/10.1115/GT2020-16224
View Paper titled, A New Harmonic Balance Approach Using Multidimensional Time
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051012.
Paper No: TURBO-18-1281
https://doi.org/10.1115/1.4041820
Published Online: January 25, 2019
View Article titled, On the Simulation and Spectral Analysis of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76749
https://doi.org/10.1115/GT2018-76749
View Paper titled, 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
Open the PDF for 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 in another window
Topics: Pressure, Simulation, Turbine components, Turbulence, Wheels, Stators, Turbines, Blades, Flow (Dynamics), Separation (Technology)