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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
Paper No: GT2022-82576
DOI: 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

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

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
Paper No: GT2022-78710
DOI: 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

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

Daniel Franke, Maximilian Jüngst, Daniel Möller, Heinz-Peter Schiffer, Thomas Giersch
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A015, September 21–25, 2020
Paper No: GT2020-15255
DOI: 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
Click here to open pdf in another window PDF for Influence of Pre-Swirl, Rotor Speed and Blade Count on Aeroelastic Coupling Mechanisms During Stall Inception of a Transonic Compressor
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

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
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

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
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

Benjamin Hanschke, Arnold Kühhorn, Sven Schrape, Thomas Giersch
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. February 2019, 141(2): 021002.
Paper No: TURBO-18-1028
DOI: https://doi.org/10.1115/1.4041672
Published Online: January 16, 2019
View Article titled, 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

Daniel Möller, Maximilian Jüngst, Heinz-Peter Schiffer, Thomas Giersch, Frank Heinichen
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. February 2018, 140(2): 021007.
Paper No: TURBO-17-1139
DOI: https://doi.org/10.1115/1.4038316
Published Online: December 6, 2017
View Article titled, 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

Daniel Möller, Maximilian Jüngst, Heinz-Peter Schiffer, Thomas Giersch, Frank Heinichen
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A009, June 26–30, 2017
Paper No: GT2017-63660
DOI: 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

Christoph Krause, Thomas Giersch, Marco Stelldinger, Benjamin Hanschke, Arnold Kühhorn
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A004, June 26–30, 2017
Paper No: GT2017-63200
DOI: https://doi.org/10.1115/GT2017-63200
View Paper titled, Asynchronous Response Analysis of Non-Contact Vibration Measurements on Compressor Rotor Blades
Click here to open pdf in another window PDF for Asynchronous Response Analysis of Non-Contact Vibration Measurements on Compressor Rotor Blades
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

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
Paper No: GT2017-64621
DOI: 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

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
Paper No: GT2016-56535
DOI: 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

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
Paper No: GT2016-56458
DOI: 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

Optimization-Aided Forced Response Analysis of a Mistuned Compressor Blisk

Bernd Beirow, Arnold Kühhorn, Thomas Giersch, Jens Nipkau
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT33A013, June 16–20, 2014
Paper No: GT2014-25915
DOI: 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

Thomas Giersch, Felix Figaschewsky, Peter Hönisch, Arnold Kühhorn, Sven Schrape
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT35A017, June 16–20, 2014
Paper No: GT2014-26295
DOI: 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)
Proceedings Papers

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

Felix Figaschewsky, Thomas Giersch, Arnold Kühhorn
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT35A013, June 16–20, 2014
Paper No: GT2014-25896
DOI: 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
Journal Articles

Optimization-Aided Forced Response Analysis of a Mistuned Compressor Blisk

Bernd Beirow, Thomas Giersch, Arnold Kühhorn, Jens Nipkau
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2015, 137(1): 012504.
Paper No: GTP-14-1335
DOI: https://doi.org/10.1115/1.4028095
Published Online: August 26, 2014
View Article titled, 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

Bernd Beirow, Thomas Giersch, Arnold Kühhorn, Jens Nipkau
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2014, 136(6): 062507.
Paper No: GTP-14-1008
DOI: https://doi.org/10.1115/1.4026537
Published Online: February 11, 2014
View Article titled, 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

Bernd Beirow, Arnold Kühhorn, Thomas Giersch, Jens Nipkau
Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT31A003, June 3–7, 2013
Paper No: GT2013-94142
DOI: 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

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
Paper No: GT2012-69556
DOI: 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

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