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Proceedings Papers

Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A005, June 13–17, 2022

Paper No: GT2022-80464

DOI: https://doi.org/10.1115/GT2022-80464

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Topics: Blades, Pressure, Steam turbines, Inspection, Center of mass, Airfoils, Computer-aided design, Geometry, Optical measurement, Resonance

Proceedings Papers

Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A001, June 13–17, 2022

Paper No: GT2022-78367

DOI: https://doi.org/10.1115/GT2022-78367

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Topics: Algorithms, Approximation, Couplings, Degrees of freedom, Disks, Dynamics (Mechanics), Excitation, Manufacturing, Polynomials, Random excitation

Proceedings Papers

Processing Multi Component Blade Tip Timing Experimental Data by Independent Component Analysis

Elena Rizzetto, Luigi Carassale

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A011, June 13–17, 2022

Paper No: GT2022-81753

DOI: https://doi.org/10.1115/GT2022-81753

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Topics: Blades, Flutter (Aerodynamics), Independent component analysis, Vibration, Disks, Principal component analysis, Rotors, Sensors, Signals, Stress

Proceedings Papers

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Alex A. Kaszynski

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A029, June 13–17, 2022

Paper No: GT2022-83204

DOI: https://doi.org/10.1115/GT2022-83204

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Topics: Excitation, Rotors, Traveling waves, Blades, Spectral energy distribution, Testing, Damping, Excitation systems, Fast Fourier transforms, Fittings

Proceedings Papers

The Impact of Mistuning and Material Damping on Bladed Disks of Similar Geometries

Jarred A. Nix, Andres M. Rodriguez, Jeffrey L. Kauffman

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A017, June 13–17, 2022

Paper No: GT2022-82309

DOI: https://doi.org/10.1115/GT2022-82309

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Topics: Damping, Disks, Blades, Manufacturing, Frequency response, Friction, Rotors, Turbomachinery, Vibration

Proceedings Papers

Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine

Lennart Stania, Joerg R. Seume

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A006, June 13–17, 2022

Paper No: GT2022-82628

DOI: https://doi.org/10.1115/GT2022-82628

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Topics: Aeroelasticity, Turbines, Blades, Engineering simulation, Sensitivity analysis, Simulation, Vibration, Damping, High cycle fatigue, Airfoils

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

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Topics: Compressors, High pressure (Physics), Rotors, Simulation, Blades, Manufacturing, Vibration, Disks, Aircraft engines, Computational fluid dynamics

Proceedings Papers

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Joerg R. Seume, Lukas Schwerdt, Lars Panning von-Scheidt, Jörg Wallaschek, Ricarda Berger, Raimund Rolfes

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A007, June 13–17, 2022

Paper No: GT2022-81090

DOI: https://doi.org/10.1115/GT2022-81090

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Topics: Compressors, Modeling, Vibration, Rotors, Blades, Damping, Engineering simulation, Fatigue life, High cycle fatigue, Simulation

Proceedings Papers

Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed

Chris Keener, Kiran D’Souza

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A023, June 13–17, 2022

Paper No: GT2022-82717

DOI: https://doi.org/10.1115/GT2022-82717

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Topics: Damping, Design, Rotors, Airfoils, Disks, Gas turbines, Aviation, Dampers, Dynamics (Mechanics), Finite element model

Proceedings Papers

Experimental Investigation of Friction Damping in Blade Root Joints

Daniele Botto, Veronica Iannotti, Federica Cuccovillo

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A008, June 13–17, 2022

Paper No: GT2022-81663

DOI: https://doi.org/10.1115/GT2022-81663

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Topics: Blades, Damping, Friction, Disks, Stress, Vibration, Design, Dynamics (Mechanics), Excitation systems, Experimental analysis

Proceedings Papers

Active Rotor Controller Design for Vibration and Bend Mitigation Utilizing Active Magnetic Bearings and Internal Shaft Actuation

Gauthier Fieux, Nicola Bailey, Patrick Keogh

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A010, June 13–17, 2022

Paper No: GT2022-82528

DOI: https://doi.org/10.1115/GT2022-82528

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Topics: Control equipment, Design, Magnetic bearings, Rotors, Vibration, Machinery, Actuators, Feedback, Finite element analysis, Flanges

Proceedings Papers

Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials

Chiara Gastaldi, Muzio M. Gola

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A026, June 13–17, 2022

Paper No: GT2022-82830

DOI: https://doi.org/10.1115/GT2022-82830

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Topics: Blades, Dampers, Airfoils, Cycles, Finite element model, Rotation, Bending (Stress), Construction, Damping, Design

Proceedings Papers

Experimental Investigation of Three-Dimensional Shroud Contact Forces in Forced-Vibration Testing of a Shrouded Blade

Rizwan Ahmed, Christian Maria Firrone, Stefano Zucca

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A037, June 13–17, 2022

Paper No: GT2022-84205

DOI: https://doi.org/10.1115/GT2022-84205

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Topics: Blades, Damping, Force measurement, Friction, Testing, Vibration

Proceedings Papers

Design and Operability Challenges for Supercritical CO2 Plants: The sCO2-Flex Centrifugal Compressor Test Experience

Bigi Manuele, Bisio Valentina, Evangelisti Silvia, Giancotti Marco, Milani Alberto, Pellegrini Tiziano

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A002, June 13–17, 2022

Paper No: GT2022-80658

DOI: https://doi.org/10.1115/GT2022-80658

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Topics: Compressors, Design, Relief valves, Safety, Supercritical carbon dioxide, Vibration

Proceedings Papers

Insights Into the Unsteady Shock Boundary Layer Interaction

A. Hergt, J. Klinner, C. Willert, S. Grund, W. Steinert

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A033, June 13–17, 2022

Paper No: GT2022-82720

DOI: https://doi.org/10.1115/GT2022-82720

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Topics: Boundary layers, Shock (Mechanics), Oscillations, Blades, Flow (Dynamics), Cascades (Fluid dynamics), Compressors, Inflow, Vibration, Mach number

Proceedings Papers

Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor

Fabrizio Lottini, Andrea Agnolucci, Lorenzo Pinelli, Roberto Pacciani, Lorenzo Toni, Alberto Guglielmo, Angelo Grimaldi

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A007, June 13–17, 2022

Paper No: GT2022-82108

DOI: https://doi.org/10.1115/GT2022-82108

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Topics: Compressors, High pressure (Physics), Rotors, Stators, Design, Machinery, Acoustics, Chain, Computational fluid dynamics, Engineering simulation

Proceedings Papers

Vibration-Based Diagnostic of Aircraft Bearings Operating Under Strong Speed Variations

Dany Abboud, Julien Griffaton, Yosra Marnissi, Jose Luis Gomez Chirinos, Mohammed Elbadaoui

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A008, June 13–17, 2022

Paper No: GT2022-81111

DOI: https://doi.org/10.1115/GT2022-81111

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Topics: Aircraft, Bearings, Vibration

Proceedings Papers

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation – Part 1: Sensitivity to Flutter Occurrence

Lorenzo Pinelli, Filippo Mariotti, Andrea Arnone, Michele Marconcini, Lorenzo Arcangeli, Lorenzo Ciuchicchi, Nicola Maceli

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A013, June 13–17, 2022

Paper No: GT2022-82405

DOI: https://doi.org/10.1115/GT2022-82405

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Topics: Blades, Flow (Dynamics), Flutter (Aerodynamics), Rotors, Steam turbines, Stress, Vibration

Proceedings Papers

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation - Part 2: Rotating Instabilities Detection

Tommaso Diurno, Antonio Andreini, Bruno Facchini, Nicola Maceli, Lorenzo Arcengeli

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A011, June 13–17, 2022

Paper No: GT2022-81921

DOI: https://doi.org/10.1115/GT2022-81921

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Topics: Computational fluid dynamics, Exhaust systems, Flow (Dynamics), Rotors, Steam turbines, Stress, Vibration

Proceedings Papers

Experimental Investigation on the Accuracy of Blade Tip Timing Spectral Analysis Methods

Zhicheng Xiao, Yiming Meng, Hua Ouyang

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A009, June 13–17, 2022

Paper No: GT2022-81965

DOI: https://doi.org/10.1115/GT2022-81965

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Topics: Blades, Emission spectroscopy, Fourier transforms, Spectroscopy, Vibration

NARROW

Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning

Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation

Processing Multi Component Blade Tip Timing Experimental Data by Independent Component Analysis

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

The Impact of Mistuning and Material Damping on Bladed Disks of Similar Geometries

Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine

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

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed

Experimental Investigation of Friction Damping in Blade Root Joints

Active Rotor Controller Design for Vibration and Bend Mitigation Utilizing Active Magnetic Bearings and Internal Shaft Actuation

Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials

Experimental Investigation of Three-Dimensional Shroud Contact Forces in Forced-Vibration Testing of a Shrouded Blade

Design and Operability Challenges for Supercritical CO2 Plants: The sCO2-Flex Centrifugal Compressor Test Experience

Insights Into the Unsteady Shock Boundary Layer Interaction

Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor

Vibration-Based Diagnostic of Aircraft Bearings Operating Under Strong Speed Variations

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation – Part 1: Sensitivity to Flutter Occurrence

Numerical Investigation of Potential Flow Induced Vibrations of Steam Turbine Last Stage Rotor at Low Load Operation - Part 2: Rotating Instabilities Detection

Experimental Investigation on the Accuracy of Blade Tip Timing Spectral Analysis Methods

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