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Bernd Beirow
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Proceedings Papers

Validation of a Numerical Model Based on an Optical Surface Scan and Experimental Modal Analyses Under Vacuum Conditions

Denny Langheinrich, Bernd Beirow, Seif Elmasry
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128070
https://doi.org/10.1115/GT2024-128070
View Paper titled, Validation of a Numerical Model Based on an Optical Surface Scan and Experimental Modal Analyses Under Vacuum Conditions
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Topics: Compressors, Computer simulation, Modal analysis, Vacuum, Vibration, Mode shapes, Damping, Electromagnetic spectrum, Algorithms, Blades
Proceedings Papers

Structural Dynamics of an Axial Compressor’s Rear Blisk Drum and Multi-Stage Coupling

Marco Gambitta, Bernd Beirow, Thomas Klauke
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A030, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128647
https://doi.org/10.1115/GT2024-128647
View Paper titled, Structural Dynamics of an Axial Compressor’s Rear Blisk Drum and Multi-Stage Coupling
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Topics: Bladed disks, Structural dynamics, Collaboration, Design, Airfoils, Compressors, Dynamics (Mechanics), Excitation, Geometry, Machinery
Journal Articles

Investigation of Rear Blisk Drum Dynamics Under Consideration of Multi-Stage Coupling

Marco Gambitta, Bernd Beirow, Thomas Klauke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021017.
Paper No: GTP-23-1389
https://doi.org/10.1115/1.4063633
Published Online: November 21, 2023
View Article titled, Investigation of Rear Blisk Drum Dynamics Under Consideration of Multi-Stage Coupling
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Topics: Airfoils, Bladed disks, Disks, Displacement, Dynamics (Mechanics), Geometry, Vibration, Excitation, Compressors, Blades
Proceedings Papers

On the Influence of Bearing Modeling Details on the Dynamical System Effects of a Mid-Size Turbocharger Rotor

Arthur Zobel, Christopher Fuhrer, Damian M. Vogt, Alex Nakos, Bernd Beirow, Alexander Blessing, Carolin Zippack
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102098
https://doi.org/10.1115/GT2023-102098
View Paper titled, On the Influence of Bearing Modeling Details on the Dynamical System Effects of a Mid-Size Turbocharger Rotor
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Topics: Bearings, Dynamic systems, Modeling, Rotors, Turbochargers, Compressors, Turbines, Wheels, Damping, Excitation
Proceedings Papers

Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 1: Nominal Inlet Guide Vane

Markus Schafferus, Marios Sasakaros, Manfred Wirsum, Arthur Zobel, Damian Vogt, Alex Nakos, Bernd Beirow
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103037
https://doi.org/10.1115/GT2023-103037
View Paper titled, Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 1: Nominal Inlet Guide Vane
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Topics: Blades, Flow (Dynamics), Inlet guide vanes, Turbines, Vibration
Proceedings Papers

Mistuning and Damping of a Radial Turbine Wheel. Part 3: Validation of Intentional Mistuning During Machine Operation

Alex Nakos, Bernd Beirow, Manfred Wirsum, Markus Schafferus, Marios Sasakaros, Damian Vogt, Arthur Zobel
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101993
https://doi.org/10.1115/GT2023-101993
View Paper titled, Mistuning and Damping of a Radial Turbine Wheel. Part 3: Validation of Intentional Mistuning During Machine Operation
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Topics: Blades, Damping, Machinery, Turbines, Vibration, Wheels, Hardware, Turbochargers, Compressors, Computer software
Proceedings Papers

Investigation of Rear Blisk Drum Dynamics Under Consideration of Multi-Stage Coupling

Marco Gambitta, Bernd Beirow, Thomas Klauke
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103756
https://doi.org/10.1115/GT2023-103756
View Paper titled, Investigation of Rear Blisk Drum Dynamics Under Consideration of Multi-Stage Coupling
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Topics: Bladed disks, Dynamics (Mechanics), Compressors, Geometry, Vibration, Blades, Collaboration, Design engineering, Disks, Structural dynamics
Proceedings Papers

Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 2: Influence of Different Inlet Guide Vane Configurations

Marios Sasakaros, Markus Schafferus, Manfred Wirsum, Arthur Zobel, Damian Vogt, Alex Nakos, Bernd Beirow
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102243
https://doi.org/10.1115/GT2023-102243
View Paper titled, Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 2: Influence of Different Inlet Guide Vane Configurations
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Topics: Blades, Flow (Dynamics), Inlet guide vanes, Turbines, Vibration
Proceedings Papers

A Digital Twin of Compressor Blisk Manufacturing Geometrical Variability for the Aeroelastic Uncertainty Quantification of the Aerodynamic Damping

Marco Gambitta, Bernd Beirow, Sven Schrape
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A021, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82935
https://doi.org/10.1115/GT2022-82935
View Paper titled, A Digital Twin of Compressor Blisk Manufacturing Geometrical Variability for the Aeroelastic Uncertainty Quantification of the Aerodynamic Damping
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Topics: Compressors, Damping, Digital twin, Manufacturing, Uncertainty quantification, Airfoils, Geometry, Vibration, Aerodynamics, Blades
Proceedings Papers

Application of Intentional Mistuning to Reduce the Vibration Susceptibility of a Steam Turbine Wheel

Bernd Beirow, Mark Golze, Frederik Popig
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82208
https://doi.org/10.1115/GT2022-82208
View Paper titled, Application of Intentional Mistuning to Reduce the Vibration Susceptibility of a Steam Turbine Wheel
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Topics: Blades, Flutter (Aerodynamics), Steam turbines, Vibration, Wheels
Proceedings Papers

Mistuning and Damping of a Radial Turbine Wheel. Part 2: Implementation and Validation of Intentional Mistuning

Alex Nakos, Bernd Beirow, Arthur Zobel
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80643
https://doi.org/10.1115/GT2022-80643
View Paper titled, Mistuning and Damping of a Radial Turbine Wheel. Part 2: Implementation and Validation of Intentional Mistuning
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Topics: Blades, Damping, Turbines, Vibration, Wheels, Design, Manufacturing, Accounting, Exhaust systems, Free vibrations
Proceedings Papers

Simulation and Investigation of an Intentionally Mistuned Blisk Rotor in a High Pressure Compressor

Jingjie Yang, Bernd Beirow, Thomas Giersch
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82576
https://doi.org/10.1115/GT2022-82576
View Paper titled, Simulation and Investigation of an Intentionally Mistuned Blisk Rotor in a High Pressure Compressor
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Topics: Compressors, High pressure (Physics), Rotors, Simulation, Blades, Manufacturing, Vibration, Disks, Aircraft engines, Computational fluid dynamics
Journal Articles

Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems

Christoph Rocky Heinrich, Tina Unglaube, Bernd Beirow, Dieter Brillert, Klaus Steff, Nico Petry
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081002.
Paper No: GTP-21-1478
https://doi.org/10.1115/1.4054567
Published Online: June 2, 2022
View Article titled, Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems
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Topics: Cavities, Damping, Impellers, Rotors, Acoustics, Pistons
Journal Articles

Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern

Alex Nakos, Bernd Beirow, Arthur Zobel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021012.
Paper No: GTP-21-1390
https://doi.org/10.1115/1.4052201
Published Online: November 8, 2021
View Article titled, Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern
Open the PDF for Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern in another window
Topics: Blades, Damping, Design, Turbines, Wheels
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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2022, 144(4): 041007.
Paper No: TURBO-21-1172
https://doi.org/10.1115/1.4052602
Published Online: November 5, 2021
View Article titled, Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59642
https://doi.org/10.1115/GT2021-59642
View Paper titled, Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces
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Topics: Blades, Compressors, Excitation, Manufacturing, Stators, Uncertainty, Rotors, Algorithms, Annulus, Design
Proceedings Papers

Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern

Alex Nakos, Bernd Beirow, Arthur Zobel
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A019, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59283
https://doi.org/10.1115/GT2021-59283
View Paper titled, Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern
Open the PDF for Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern in another window
Topics: Blades, Damping, Design, Turbines, Vibration, Wheels
Proceedings Papers

Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems

Christoph Rocky Heinrich, Tina Unglaube, Bernd Beirow, Dieter Brillert, Klaus Steff, Nico Petry
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A009, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58835
https://doi.org/10.1115/GT2021-58835
View Paper titled, Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems
Open the PDF for Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems in another window
Topics: Cavities, Damping, Rotors, Acoustics, Compressors, Impellers, Compressed gases, Disks, Fluid structure interaction, High cycle fatigue
Journal Articles

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Robby Weber, Frederik Popig
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061027.
Paper No: GTP-20-1403
https://doi.org/10.1115/1.4049449
Published Online: March 31, 2021
View Article titled, Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning
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Topics: Blades, Damping, Design, Stress, Turbines, Wheels, Flutter (Aerodynamics), Robustness, Computer simulation, Vibration analysis
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14468
https://doi.org/10.1115/GT2020-14468
View Paper titled, Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning
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Topics: Blades, Computer simulation, Damping, Design, Disks, Flow (Dynamics), Flow separation, Flutter (Aerodynamics), Genetic algorithms, Manufacturing