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Proceedings Papers

Improved Compressor Performance Prediction Using a Vortex-Reactive Turbulence-Model Extension

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Dajan Mimic, Janek Mahlstedt, Florian Herbst
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A051, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129179
https://doi.org/10.1115/GT2024-129179
View Paper titled, Improved Compressor Performance Prediction Using a Vortex-Reactive Turbulence-Model Extension
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Topics: Compressors, Flow (Dynamics), Modeling, Turbulence, Vortices
Proceedings Papers

On the Development of an Efficient Sliding Mesh Interface for the Harmonic Balance Method, Part II: Effects of Casing Treatments on the Aerodynamic Damping of a Compressor Blade

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Maximilian Hartmann, Daniel Schlüß, Georg Geiser, Felix Schwarzenthal, Graham Ashcroft, Florian Herbst
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A033, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127237
https://doi.org/10.1115/GT2024-127237
View Paper titled, On the Development of an Efficient Sliding Mesh Interface for the Harmonic Balance Method, Part II: Effects of Casing Treatments on the Aerodynamic Damping of a Compressor Blade
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Topics: Blades, Compressors, Damping, Flutter (Aerodynamics)
Proceedings Papers

Improved Prediction of Secondary-Flow Behaviour Through a Novel Turbulence Model Extension for Rotational Effects

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Dajan Mimic, Florian Herbst
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103749
https://doi.org/10.1115/GT2023-103749
View Paper titled, Improved Prediction of Secondary-Flow Behaviour Through a Novel Turbulence Model Extension for Rotational Effects
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Topics: Flow (Dynamics), Turbulence
Proceedings Papers

Performance Simulation of Roughness Induced Module Variations of a Jet Propulsion by Using Pseudo Bond Graph Theory

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Jan Göing, Christoph Bode, Jens Friedrichs, Hendrik Seehausen, Florian Herbst, Joerg R. Seume
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14456
https://doi.org/10.1115/GT2020-14456
View Paper titled, Performance Simulation of Roughness Induced Module Variations of a Jet Propulsion by Using Pseudo Bond Graph Theory
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Topics: Jet propulsion, Simulation, Surface roughness, Transients (Dynamics), Computational fluid dynamics, Engines, Jet engines, Blades, Compressors, Differential equations
Proceedings Papers

Validation of RANS Turbulence Models for Labyrinth Seal Flows by Means of Particle Image Velocimetry

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Lars Wein, Tim Kluge, Joerg R. Seume, Rainer Hain, Thomas Fuchs, Christian Kähler, Roman Schmierer, Florian Herbst
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A015, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14885
https://doi.org/10.1115/GT2020-14885
View Paper titled, Validation of RANS Turbulence Models for Labyrinth Seal Flows by Means of Particle Image Velocimetry
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Topics: Flow (Dynamics), Particulate matter, Reynolds-averaged Navier–Stokes equations, Turbulence, Cavities, Errors, Turbomachinery, Algebra, Computer simulation, Design
Proceedings Papers

Thermal End-Wall Contouring

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Dajan Mimic, Marcel Oettinger, Christoph Jätz, Florian Herbst, Joerg R. Seume
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90191
https://doi.org/10.1115/GT2019-90191
View Paper titled, Thermal End-Wall Contouring
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Topics: Boundary layers, Ducts, Flow (Dynamics), Flux (Metallurgy), Heat, Heat flux, Turbomachinery
Proceedings Papers

The Influence of Rotor-Wakes on Boundary Layer Development in an Axial Compressor and its Numerical Prediction

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Dominik Frieling, Achim Griebel, Lars Wein, Joerg R. Seume, Florian Herbst
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75631
https://doi.org/10.1115/GT2018-75631
View Paper titled, The Influence of Rotor-Wakes on Boundary Layer Development in an Axial Compressor and its Numerical Prediction
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Topics: Boundary layers, Compressors, Rotors, Wakes, Engineering simulation, Simulation, Turbulence, Shear stress, Blades, Computer simulation
Proceedings Papers

The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part A — An Optimized Turbulent Boundary-Condition

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Christoph Müller-Schindewolffs, Florian Herbst
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75162
https://doi.org/10.1115/GT2018-75162
View Paper titled, The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part A — An Optimized Turbulent Boundary-Condition
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Topics: Aerodynamics, Boundary-value problems, Pressure, Turbines, Turbulence, Inflow, Simulation, Acoustics, Cascades (Fluid dynamics), Compressible flow
Proceedings Papers

The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part B — Scale Resolving Simulations

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Felix Schwarzbach, Christoph Müller-Schindewolffs, Christoph Bode, Florian Herbst
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75163
https://doi.org/10.1115/GT2018-75163
View Paper titled, The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part B — Scale Resolving Simulations
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Topics: Aerodynamics, Engineering simulation, Pressure, Simulation, Turbines, Turbulence, Boundary layers, Cascades (Fluid dynamics), Boundary-value problems, Eddies (Fluid dynamics)
Journal Articles

A Theory on the Onset of Acoustic Resonance in a Multistage Compressor

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Xiaohua Liu, Tobias Willeke, Florian Herbst, Jun Yang, Joerg Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2018, 140(8): 081003.
Paper No: TURBO-18-1032
https://doi.org/10.1115/1.4040551
Published Online: July 24, 2018
View Articletitled, A Theory on the Onset of Acoustic Resonance in a Multistage Compressor
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Topics: Acoustics, Blades, Compressors, Flow (Dynamics), Pressure, Resonance, Rotors, Unsteady flow
Journal Articles

Correlation Between Pressure Recovery of Highly Loaded Annular Diffusers and Integral Stage Design Parameters

Open Access
Dajan Mimic, Bastian Drechsel, Florian Herbst
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2018, 140(7): 071002.
Paper No: TURBO-17-1235
https://doi.org/10.1115/1.4039821
Published Online: May 17, 2018
View Articletitled, Correlation Between Pressure Recovery of Highly Loaded Annular Diffusers and Integral Stage Design Parameters
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Topics: Blades, Boundary layers, Design, Diffusers, Flow (Dynamics), Pressure, Vortices, Turbines, Simulation, Turbulence
Proceedings Papers

Correlation Between Pressure Recovery of Highly Loaded Annular Diffusers and Integral Stage Design Parameters

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Dajan Mimic, Bastian Drechsel, Florian Herbst
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT42A006, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63586
https://doi.org/10.1115/GT2017-63586
View Paper titled, Correlation Between Pressure Recovery of Highly Loaded Annular Diffusers and Integral Stage Design Parameters
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Topics: Design, Diffusers, Pressure, Boundary layers, Rotors, Vortices, Flow (Dynamics), Separation (Technology), Turbines, Blades
Proceedings Papers

Improved Prediction of Labyrinth Seal Performance Through Scale Adaptive Simulation and Stream Aligned Grids

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Lars Wein, Joerg R. Seume, Florian Herbst
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A033, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64257
https://doi.org/10.1115/GT2017-64257
View Paper titled, Improved Prediction of Labyrinth Seal Performance Through Scale Adaptive Simulation and Stream Aligned Grids
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Topics: Simulation, Reynolds-averaged Navier–Stokes equations, Cavity flows, Flow (Dynamics), Turbulence, Cavities, Design, Errors, Spectra (Spectroscopy), Turbomachinery
Journal Articles

Direct Numerical Simulation Based Analysis of RANS Predictions of a Low-Pressure Turbine Cascade

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Christoph Müller-Schindewolffs, Ralf-D. Baier, Joerg R. Seume, Florian Herbst
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2017, 139(8): 081006.
Paper No: TURBO-16-1319
https://doi.org/10.1115/1.4035834
Published Online: March 21, 2017
View Articletitled, Direct Numerical Simulation Based Analysis of RANS Predictions of a Low-Pressure Turbine Cascade
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Topics: Reynolds-averaged Navier–Stokes equations, Turbulence, Boundary layers, Modeling
Journal Articles

Correlation-Based Riblet Model for Turbomachinery Applications

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Viktor Koepplin, Florian Herbst, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2017, 139(7): 071006.
Paper No: TURBO-16-1190
https://doi.org/10.1115/1.4035605
Published Online: February 28, 2017
View Articletitled, Correlation-Based Riblet Model for Turbomachinery Applications
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Topics: Cascades (Fluid dynamics), Drag (Fluid dynamics), Drag reduction, Flat plates, Flow (Dynamics), Pressure gradient, Turbomachinery, Compressors, Design, Boundary layers
Proceedings Papers

Effect of Turbulence and Transition Models on the CFD-Based Performance Prediction of Wind Turbines

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Benedikt Ernst, Joerg R. Seume, Florian Herbst
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T46A008, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56728
https://doi.org/10.1115/GT2016-56728
View Paper titled, Effect of Turbulence and Transition Models on the CFD-Based Performance Prediction of Wind Turbines
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Topics: Computational fluid dynamics, Turbulence, Wind turbines, Engineering simulation, Simulation, Blades, Aerodynamics, Boundary element methods, Computation, Design
Proceedings Papers

Correlation-Based Riblet Model for Turbomachinery Applications

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Viktor Koepplin, Florian Herbst, Joerg R. Seume
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A011, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56293
https://doi.org/10.1115/GT2016-56293
View Paper titled, Correlation-Based Riblet Model for Turbomachinery Applications
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Topics: Turbomachinery, Design, Cascades (Fluid dynamics), Compressors, Computational fluid dynamics, Damping, Drag (Fluid dynamics), Energy dissipation, Flat plates, Flow (Dynamics)
Proceedings Papers

DNS-Based Analysis of RANS Predictions of a Low-Pressure Turbine Cascade

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Christoph Müller, Ralf-D. Baier, Joerg R. Seume, Florian Herbst
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A046, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57582
https://doi.org/10.1115/GT2016-57582
View Paper titled, DNS-Based Analysis of RANS Predictions of a Low-Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Turbines, Blades, Errors, Turbulence, Boundary layers, Calibration, Computational fluid dynamics
Proceedings Papers

Influence of Turbulent Flow Characteristics and Coherent Vortices on the Pressure Recovery of Annular Diffusers: Part B — Scale-Resolving Simulations

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Bastian Drechsel, Christoph Müller, Florian Herbst, Joerg R. Seume
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A010, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42477
https://doi.org/10.1115/GT2015-42477
View Paper titled, Influence of Turbulent Flow Characteristics and Coherent Vortices on the Pressure Recovery of Annular Diffusers: Part B — Scale-Resolving Simulations
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Topics: Diffusers, Engineering simulation, Pressure, Simulation, Turbulence, Vortices, Boundary layers, Flow (Dynamics), Rotors, Computational fluid dynamics
Proceedings Papers

Validating the Numerical Prediction of the Aerodynamics of an Axial Compressor

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Torben Wolff, Florian Herbst, Oliver Freund, Le Liu, Joerg R. Seume
Proc. ASME. GT2014, Volume 2B: Turbomachinery, V02BT39A011, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25530
https://doi.org/10.1115/GT2014-25530
View Paper titled, Validating the Numerical Prediction of the Aerodynamics of an Axial Compressor
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Topics: Aerodynamics, Compressors, Design, Computation, Flow (Dynamics), Separation (Technology), Turbomachinery, Turbulence, Wakes, Blades