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Proceedings Papers

Aerodynamic and Aeroelastic Effects of Inlet Guide Vane Mistuning in a Transonic Compressor

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Daniel Franke, Jonas Foret, Fabian Klausmann, Heinz-Peter Schiffer, Thomas Giersch, Bernd Becker
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, V08AT21A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78710
https://doi.org/10.1115/GT2022-78710
View Paper titled, Aerodynamic and Aeroelastic Effects of Inlet Guide Vane Mistuning in a Transonic Compressor
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Topics: Compressors, Inlet guide vanes, Aerodynamics, Rotors, Blades, Countermeasures, Instrumentation, Locks (Waterways), Steady state, Transients (Dynamics)
Proceedings Papers

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

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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
Proceedings Papers

Influence of Pre-Swirl, Rotor Speed and Blade Count on Aeroelastic Coupling Mechanisms During Stall Inception of a Transonic Compressor

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Daniel Franke, Maximilian Jüngst, Daniel Möller, Heinz-Peter Schiffer, Thomas Giersch
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A015, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15255
https://doi.org/10.1115/GT2020-15255
View Paper titled, Influence of Pre-Swirl, Rotor Speed and Blade Count on Aeroelastic Coupling Mechanisms During Stall Inception of a Transonic Compressor
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Topics: Blades, Compressors, Rotors, Stall inception, Vibration, Waves, Aerodynamics, Computer simulation, Instrumentation, Stability
Proceedings Papers

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

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Falco Franz, Arnold Kühhorn, Thomas Giersch, Felix Figaschewsky, Sven Schrape
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A030, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16221
https://doi.org/10.1115/GT2020-16221
View Paper titled, Influence of Inlet Distortions on the Forced Vibration of a High Pressure Compressor Rig
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Topics: Compressors, High pressure (Physics), Vibration, Engines, Blades, Damping, Excitation, Resonance, Rotors
Proceedings Papers

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

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91337
https://doi.org/10.1115/GT2019-91337
View Paper titled, An Inverse Approach to Identify Tuned Aerodynamic Damping, System Frequencies and Mistuning: Part 3 — Application to Engine Data
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Topics: Damping, Engines, Blades, Engineering simulation, Rotors, Simulation, Compressors, Equations of motion, Frequency response, High pressure (Physics)
Journal Articles

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

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Benjamin Hanschke, Arnold Kühhorn, Sven Schrape, Thomas Giersch
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2019, 141(2): 021002.
Paper No: TURBO-18-1028
https://doi.org/10.1115/1.4041672
Published Online: January 16, 2019
View Articletitled, Consequences of Borescope Blending Repairs on Modern High Pressure Compressor Blisk Aeroelasticity
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Topics: Blades, Compressors, Damping, Flow (Dynamics), Maintenance, Pressure, Steady state, High pressure (Physics), Aerodynamics, Fluid-dynamic forces
Journal Articles

Influence of Rotor Tip Blockage on Near Stall Blade Vibrations in an Axial Compressor Rig

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Daniel Möller, Maximilian Jüngst, Heinz-Peter Schiffer, Thomas Giersch, Frank Heinichen
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2018, 140(2): 021007.
Paper No: TURBO-17-1139
https://doi.org/10.1115/1.4038316
Published Online: December 6, 2017
View Articletitled, Influence of Rotor Tip Blockage on Near Stall Blade Vibrations in an Axial Compressor Rig
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Topics: Blades, Compressors, Flow (Dynamics), Rotors, Vibration, Simulation
Proceedings Papers

Influence of Rotor Tip Blockage on Near Stall Blade Vibrations in an Axial Compressor Rig

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Daniel Möller, Maximilian Jüngst, Heinz-Peter Schiffer, Thomas Giersch, Frank Heinichen
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A009, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63660
https://doi.org/10.1115/GT2017-63660
View Paper titled, Influence of Rotor Tip Blockage on Near Stall Blade Vibrations in an Axial Compressor Rig
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Topics: Blades, Compressors, Rotors, Vibration, Stability, Flow (Dynamics), Fluctuations (Physics), Rotation
Proceedings Papers

Asynchronous Response Analysis of Non-Contact Vibration Measurements on Compressor Rotor Blades

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Christoph Krause, Thomas Giersch, Marco Stelldinger, Benjamin Hanschke, Arnold Kühhorn
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A004, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63200
https://doi.org/10.1115/GT2017-63200
View Paper titled, Asynchronous Response Analysis of Non-Contact Vibration Measurements on Compressor Rotor Blades
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Topics: Blades, Compressors, Rotors, Vibration measurement, Surges, Vibration, Damage, Oscillating frequencies, Probes, Strain gages
Proceedings Papers

Design and Analysis of an Intentional Mistuning Experiment Reducing Flutter Susceptibility and Minimizing Forced Response of a Jet Engine Fan

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Felix Figaschewsky, Arnold Kühhorn, Bernd Beirow, Jens Nipkau, Thomas Giersch, Bronwyn Power
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A020, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64621
https://doi.org/10.1115/GT2017-64621
View Paper titled, Design and Analysis of an Intentional Mistuning Experiment Reducing Flutter Susceptibility and Minimizing Forced Response of a Jet Engine Fan
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Topics: Design, Flutter (Aerodynamics), Jet engines, Engines, Blades, Excitation, Fans, Vibration, Flow (Dynamics), Rotors
Proceedings Papers

Simplified Determination of Aerodynamic Damping for Bladed Rotors: Part 1 — Experimental Validation at Rest

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Bernd Beirow, Thomas Maywald, Felix Figaschewsky, Christoph Rocky Heinrich, Arnold Kühhorn, Thomas Giersch
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A007, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56535
https://doi.org/10.1115/GT2016-56535
View Paper titled, Simplified Determination of Aerodynamic Damping for Bladed Rotors: Part 1 — Experimental Validation at Rest
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Topics: Damping, Rotors, Acoustic emissions, Acoustics, Pressure, Blades, Compressors, Computation, Mode shapes, Turbines
Proceedings Papers

Simplified Estimation of Aerodynamic Damping for Bladed Rotors: Part 2 — Experimental Validation During Operation

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Felix Figaschewsky, Arnold Kühhorn, Bernd Beirow, Thomas Giersch, Jens Nipkau, Ferdinand Meinl
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A005, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56458
https://doi.org/10.1115/GT2016-56458
View Paper titled, Simplified Estimation of Aerodynamic Damping for Bladed Rotors: Part 2 — Experimental Validation During Operation
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Topics: Damping, Rotors, Blades, Vibration, Computation, Computational fluid dynamics, High cycle fatigue, Aerodynamics, Airfoils, Approximation
Proceedings Papers

Forced Response Prediction of an Axial Turbine Rotor With Regard to Aerodynamically Mistuned Excitation

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Felix Figaschewsky, Thomas Giersch, Arnold Kühhorn
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT35A013, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25896
https://doi.org/10.1115/GT2014-25896
View Paper titled, Forced Response Prediction of an Axial Turbine Rotor With Regard to Aerodynamically Mistuned Excitation
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Topics: Excitation, Rotors, Turbines, Geometry, Blades, Computational fluid dynamics, Design, Engines, Flow (Dynamics), Stators
Proceedings Papers

Optimization-Aided Forced Response Analysis of a Mistuned Compressor Blisk

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Bernd Beirow, Arnold Kühhorn, Thomas Giersch, Jens Nipkau
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT33A013, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25915
https://doi.org/10.1115/GT2014-25915
View Paper titled, Optimization-Aided Forced Response Analysis of a Mistuned Compressor Blisk
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Topics: Compressors, Optimization, Blades, Damping, Displacement, Young's modulus, Design, Disks, Engines, Excitation
Proceedings Papers

Numerical Analysis and Validation of the Rotor Blade Vibration Response Induced by High Pressure Compressor Deep Surge

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Thomas Giersch, Felix Figaschewsky, Peter Hönisch, Arnold Kühhorn, Sven Schrape
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT35A017, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26295
https://doi.org/10.1115/GT2014-26295
View Paper titled, Numerical Analysis and Validation of the Rotor Blade Vibration Response Induced by High Pressure Compressor Deep Surge
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Topics: Blades, Compressors, High pressure (Physics), Numerical analysis, Rotors, Surges, Vibration, Cycles, Stress, Flow (Dynamics)
Journal Articles

Optimization-Aided Forced Response Analysis of a Mistuned Compressor Blisk

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Bernd Beirow, Thomas Giersch, Arnold Kühhorn, Jens Nipkau
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2015, 137(1): 012504.
Paper No: GTP-14-1335
https://doi.org/10.1115/1.4028095
Published Online: August 26, 2014
View Articletitled, Optimization-Aided Forced Response Analysis of a Mistuned Compressor Blisk
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Topics: Blades, Computation, Damping, Optimization, Stiffness, Excitation, Compressors
Journal Articles

Forced Response Analysis of a Mistuned Compressor Blisk

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Bernd Beirow, Thomas Giersch, Arnold Kühhorn, Jens Nipkau
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2014, 136(6): 062507.
Paper No: GTP-14-1008
https://doi.org/10.1115/1.4026537
Published Online: February 11, 2014
View Articletitled, Forced Response Analysis of a Mistuned Compressor Blisk
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Topics: Blades, Computation, Damping, Fluid structure interaction, Optimization, Compressors, Excitation, Vibration
Proceedings Papers

Forced Response Analysis of a Mistuned Compressor Blisk

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Bernd Beirow, Arnold Kühhorn, Thomas Giersch, Jens Nipkau
Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT31A003, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94142
https://doi.org/10.1115/GT2013-94142
View Paper titled, Forced Response Analysis of a Mistuned Compressor Blisk
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Topics: Blades, Compressors, Damping, Design, Disks, Displacement, Engines, Flow (Dynamics), Fluid structure interaction, Genetic algorithms
Proceedings Papers

Forced Response Analyses of Mistuned Radial Inflow Turbines

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Thomas Giersch, Peter Hönisch, Bernd Beirow, Arnold Kühhorn
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 1559-1570, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69556
https://doi.org/10.1115/GT2012-69556
View Paper titled, Forced Response Analyses of Mistuned Radial Inflow Turbines
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Topics: Inflow, Turbines, Blades, Wheels, Damping, Engines, Excitation, Fluid structure interaction, Modeling, Numerical analysis
Journal Articles

Forced Response Analyses of Mistuned Radial Inflow Turbines

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Thomas Giersch, Peter Hönisch, Bernd Beirow, Arnold Kühhorn
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031034.
Paper No: TURBO-12-1161
https://doi.org/10.1115/1.4007512
Published Online: March 25, 2013
View Articletitled, Forced Response Analyses of Mistuned Radial Inflow Turbines
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Topics: Blades, Damping, Excitation, Flow (Dynamics), Inflow, Turbines, Vibration, Resonance, Wheels