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Journal Articles

Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces

Marco Gambitta, Arnold Kühhorn, Bernd Beirow, Sven Schrape

J. Turbomach. April 2022, 144(4): 041007.

Paper No: TURBO-21-1172

DOI: https://doi.org/10.1115/1.4052602

Published Online: November 5, 2021

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Topics: Blades, Compressors, Manufacturing, Rotors, Stators, Uncertainty quantification, Geometry, Excitation, Uncertainty

Proceedings Papers

Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces

Marco Gambitta, Arnold Kühhorn, Bernd Beirow, Sven Schrape

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A014, June 7–11, 2021

Paper No: GT2021-59642

DOI: https://doi.org/10.1115/GT2021-59642

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Topics: Blades, Compressors, Excitation, Manufacturing, Stators, Uncertainty, Rotors, Algorithms, Annulus, Design

Journal Articles

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

Christoph Rocky Heinrich, Arnold Kühhorn, Klaus Steff, Nico Petry

J. Eng. Gas Turbines Power. July 2021, 143(7): 071022.

Paper No: GTP-20-1449

DOI: https://doi.org/10.1115/1.4049447

Published Online: March 31, 2021

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Topics: Acoustics, Cavities, Compressors, Computer simulation, Fluids, Impellers, Pressure, Finite element model, High pressure (Physics), Finite element analysis

Journal Articles

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Robby Weber, Frederik Popig

J. Eng. Gas Turbines Power. June 2021, 143(6): 061027.

Paper No: GTP-20-1403

DOI: https://doi.org/10.1115/1.4049449

Published Online: March 31, 2021

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Topics: Blades, Damping, Design, Stress, Turbines, Wheels, Flutter (Aerodynamics), Robustness, Computer simulation, Vibration analysis

Proceedings Papers

Geometrical Variability Modelling of Axial Compressor Blisk Aerofoils and Evaluation of Impact on the Forced Response Problem

Marco Gambitta, Arnold Kühhorn, Sven Schrape

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A028, September 21–25, 2020

Paper No: GT2020-16168

DOI: https://doi.org/10.1115/GT2020-16168

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Topics: Airfoils, Compressors, Computational fluid dynamics, Modeling

Proceedings Papers

Influence of Inlet Distortions on the Forced Vibration of a High Pressure Compressor Rig

Falco Franz, Arnold Kühhorn, Thomas Giersch, Felix Figaschewsky, Sven Schrape

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A030, September 21–25, 2020

Paper No: GT2020-16221

DOI: https://doi.org/10.1115/GT2020-16221

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Topics: Compressors, High pressure (Physics), Vibration, Engines, Blades, Damping, Excitation, Resonance, Rotors

Proceedings Papers

Investigation of Working Line Variation Onto Forced Response Vibrations of a Compressor Blisk

Seif ElMasry, Arnold Kühhorn, Felix Figaschewsky

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A014, September 21–25, 2020

Paper No: GT2020-15145

DOI: https://doi.org/10.1115/GT2020-15145

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Topics: Compressors, Vibration

Proceedings Papers

The Effect of Sand Erosion on a Compressor Blade and its Modal Properties

Robby Weber, Arnold Kühhorn, Thomas Klauke, Sven Schrape

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A001, September 21–25, 2020

Paper No: GT2020-14045

DOI: https://doi.org/10.1115/GT2020-14045

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Topics: Blades, Compressors, Erosion, Sands, Engines, Airfoils, Damage, Design, High cycle fatigue, Wear

Proceedings Papers

Correlating and Updating Finite Element Models of Different Fidelity Using an Energy-Based Approach

Alexander Hardenberg, Arnold Kühhorn, Maren Fanter

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT26A006, September 21–25, 2020

Paper No: GT2020-14509

DOI: https://doi.org/10.1115/GT2020-14509

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Topics: Finite element model, Modeling, Errors, Aircraft engines, Kinetic energy, Shells, Turbines, Uncertainty, Computer simulation, Engineers

Proceedings Papers

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Robby Weber, Frederik Popig

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A009, September 21–25, 2020

Paper No: GT2020-14468

DOI: https://doi.org/10.1115/GT2020-14468

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Topics: Blades, Computer simulation, Damping, Design, Disks, Flow (Dynamics), Flow separation, Flutter (Aerodynamics), Genetic algorithms, Manufacturing

Proceedings Papers

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

Christoph Rocky Heinrich, Arnold Kühhorn, Klaus Steff, Nico Petry

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A025, September 21–25, 2020

Paper No: GT2020-15281

DOI: https://doi.org/10.1115/GT2020-15281

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Topics: Approximation, Compressors, High pressure (Physics), Cavities, Impellers, Acoustics, Simulation, Compressor impellers, Computer simulation, Design

Proceedings Papers

An Inverse Approach to Identify Tuned Aerodynamic Damping, System Frequencies and Mistuning: Part 3 — Application to Engine Data

Felix Figaschewsky, Arnold Kühhorn, Bernd Beirow, Thomas Giersch, Sven Schrape, Jens Nipkau

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A014, June 17–21, 2019

Paper No: GT2019-91337

DOI: https://doi.org/10.1115/GT2019-91337

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Topics: Damping, Engines, Blades, Engineering simulation, Rotors, Simulation, Compressors, Equations of motion, Frequency response, High pressure (Physics)

Proceedings Papers

Prediction of Geometrically Induced Localization Effects Using a Subset of Nominal System Modes

Thomas Maywald, Christoph R. Heinrich, Arnold Kühhorn, Sven Schrape, Thomas Backhaus

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A012, June 17–21, 2019

Paper No: GT2019-90884

DOI: https://doi.org/10.1115/GT2019-90884

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Topics: Blades, Compressors, Design, Disks, Finite element model, Manufacturing, Mode shapes, Rotors, Stiffness, Vibration

Proceedings Papers

Frank Wagner, Arnold Kühhorn, Timm Janetzke, Ulf Gerstberger

Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT20A001, June 11–15, 2018

Paper No: GT2018-75616

DOI: https://doi.org/10.1115/GT2018-75616

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Topics: Cooling, High pressure (Physics), Pareto optimization, Turbine blades, Aircraft engines, Algorithms, Flow (Dynamics), Optimization algorithms, Temperature, Blades

Proceedings Papers

Forced Response Reduction of a Blisk by Means of Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Felix Figaschewsky, Alfons Bornhorn, Oleg V. Repetckii

Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A031, June 11–15, 2018

Paper No: GT2018-76584

DOI: https://doi.org/10.1115/GT2018-76584

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Topics: Blades, Damping, Engineering prototypes, Engineering simulation, Engines, Excitation, Genetic algorithms, Manufacturing, Optimization, Robustness

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Journal citation

NARROW

Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces

Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Geometrical Variability Modelling of Axial Compressor Blisk Aerofoils and Evaluation of Impact on the Forced Response Problem

Influence of Inlet Distortions on the Forced Vibration of a High Pressure Compressor Rig

Investigation of Working Line Variation Onto Forced Response Vibrations of a Compressor Blisk

The Effect of Sand Erosion on a Compressor Blade and its Modal Properties

Correlating and Updating Finite Element Models of Different Fidelity Using an Energy-Based Approach

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

An Inverse Approach to Identify Tuned Aerodynamic Damping, System Frequencies and Mistuning: Part 3 — Application to Engine Data

Prediction of Geometrically Induced Localization Effects Using a Subset of Nominal System Modes

Vibration Analysis of a Mistuned Axial Turbine Blisk

Consequences of Borescope Blending Repairs on Modern High Pressure Compressor Blisk Aeroelasticity

Mistuning Identification Approach With Focus on High-Speed Centrifugal Compressors

Efficient Generation of Engine Representative Tip Timing Data Based on a Reduced Order Model for Bladed Rotors

Forced Response Reduction of a Blisk by Means of Intentional Mistuning

Multi-Objective Optimization of the Cooling Configuration of a High Pressure Turbine Blade

Forced Response Reduction of a Blisk by Means of Intentional Mistuning

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