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Proceedings Papers

Vibration and Acoustic Emission Assessment of a SiC f /SiC Ceramic Matrix Composite With Damage

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Spencer P. Jeffs, Jordan Stephen, Zak Quiney, Gonzalo García Luna
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127571
https://doi.org/10.1115/GT2024-127571
View Paper titled, Vibration and Acoustic Emission Assessment of a SiC f /SiC Ceramic Matrix Composite With Damage
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Topics: Acoustic emissions, Composite materials, Damage, Silicon carbide, Silicon carbide ceramics, Vibration, Ceramic matrix composites, Testing, Cracking (Materials), Fracture (Process)
Proceedings Papers

An Analytical Study on the Effect of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor

Open Access

Yujun Leng, Jhansi R. Dodda, Nicole L. Key
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-134043
https://doi.org/10.1115/GT2024-134043
View Paper titled, An Analytical Study on the Effect of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor
Open the PDF for An Analytical Study on the Effect of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Blisk Rotor in a Multistage Axial Compressor in another window
Topics: Bladed disks, Compressors, Damping, Rotors, Blades, Stators, Excitation, Design, Engines, Optimization
Proceedings Papers

An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor

Open Access

Yujun Leng, Jhansi R. Dodda, Nicole L. Key
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121838
https://doi.org/10.1115/GT2024-121838
View Paper titled, An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor
Open the PDF for An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor in another window
Topics: Bladed disks, Compressors, Damping, Rotors, Blades, Stators, Excitation, Engines, Flow (Dynamics), Fourier analysis
Proceedings Papers

Effect of Heat Treatment and Multiple Passes Through Resonance on Damping and Vibration Frequencies of Additively Manufactured Structure With Inherent Damping

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Grzegorz Moneta, Slawomir Cieslak, Wojciech Wdowinski, Maciej Malicki, Sebastian Szalkowski, Michal Fedasz, Sebastian Piecka, Konrad Raczko, Jakub Pilczynski
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT23A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122766
https://doi.org/10.1115/GT2024-122766
View Paper titled, Effect of Heat Treatment and Multiple Passes Through Resonance on Damping and Vibration Frequencies of Additively Manufactured Structure With Inherent Damping
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Topics: Additive manufacturing, Blades, Damping, Design, Heat treating (Metalworking), Lasers, Optimization, Oscillating frequencies, Resonance, Vibration
Proceedings Papers

Accuracy Analysis of Multi-Plane Unbalance Identification Using Different Model Order Reduction Techniques

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Khurram Shehzad, Gyan Ranjan, Tuhin Choudhury, Charles Nutakor, Jussi Sopanen
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128790
https://doi.org/10.1115/GT2024-128790
View Paper titled, Accuracy Analysis of Multi-Plane Unbalance Identification Using Different Model Order Reduction Techniques
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Topics: Algorithms, Bearings, Degrees of freedom, Disks, Errors, Finite element methods, Impellers, Machinery, Resonance, Rotors
Proceedings Papers

Synchronous Response of Rotor Components by Rotated Wavelet Probing

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Davide Iaffaldano, Roberto Guida, Luigi Carassale
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A033, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128883
https://doi.org/10.1115/GT2024-128883
View Paper titled, Synchronous Response of Rotor Components by Rotated Wavelet Probing
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Topics: Resonance, Rotors, Wavelet transforms, Wavelets
Proceedings Papers

Impact-Enhanced Resonant Vibration Absorber for Turbomachinery Blisks

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Mihai Cimpuieru, Alexander D. Kripfgans, Sean T. Kelly, Bogdan I. Epureanu
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123365
https://doi.org/10.1115/GT2024-123365
View Paper titled, Impact-Enhanced Resonant Vibration Absorber for Turbomachinery Blisks
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Topics: Bladed disks, Dampers, Resonance, Turbomachinery, Vibration absorbers
Proceedings Papers

Modal Identification of Rotating Blades by Tip Timing and Strain Gauge Measurements in Operating Condition

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Roberto Guida, Luigi Carassale, Michela Marrè-Brunenghi
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128878
https://doi.org/10.1115/GT2024-128878
View Paper titled, Modal Identification of Rotating Blades by Tip Timing and Strain Gauge Measurements in Operating Condition
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Topics: Rotating blades, Strain gages, Transients (Dynamics), Blades, Engines, Fittings, Algorithms, Bladed disks, Resonance, Rotors
Proceedings Papers

Multi-Aeroelastic Phenomena Modelling Part I: the Development of Whole LPC Model for Civil Turbofan Engine

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Davendu Y. Kulkarni, Bharat Lad, Luca di Mare
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128191
https://doi.org/10.1115/GT2024-128191
View Paper titled, Multi-Aeroelastic Phenomena Modelling Part I: the Development of Whole LPC Model for Civil Turbofan Engine
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Topics: Engineering simulation, Engines, Modeling, Simulation, Turbofans, Compression, Computational fluid dynamics, High cycle fatigue, Pressure, Risk
Proceedings Papers

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

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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

Improved Strain-Energy Based Mistuning Models Part I: Motivation, Approach, and Understanding

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Shreyas Hegde, Andrew Madden, Robert Kielb
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100678
https://doi.org/10.1115/GT2023-100678
View Paper titled, Improved Strain-Energy Based Mistuning Models Part I: Motivation, Approach, and Understanding
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Topics: Blades, Compressors, Coordinate measuring machines, Disks, Physics, Resonance, Rotors, Structural dynamics, Turbomachinery
Proceedings Papers

Numerical Analysis of High Frequency Transverse Instabilities in a Can-Type Combustor

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Sandeep Jella, Marc Füri, Vasilis Katsapis
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103298
https://doi.org/10.1115/GT2023-103298
View Paper titled, Numerical Analysis of High Frequency Transverse Instabilities in a Can-Type Combustor
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Topics: Combustion chambers, Numerical analysis, Dynamics (Mechanics), Flames, Modeling, Shear (Mechanics), Spin (Aerodynamics), Spinning (Textile), Combustion, Curve fitting
Proceedings Papers

Role of Turbulence in Modifying the Coherent Heat Release Response of Acoustically Excited Rod-Stabilized Flames

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Ashwini Karmarkar, Jacqueline O’Connor
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A048, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102042
https://doi.org/10.1115/GT2023-102042
View Paper titled, Role of Turbulence in Modifying the Coherent Heat Release Response of Acoustically Excited Rod-Stabilized Flames
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Topics: Acoustics, Flames, Heat, Turbulence, Flow (Dynamics), Combustion chambers, Oscillations, Combustion, Gas turbines, Combustion systems
Proceedings Papers

Analytical Prediction of Acoustic Resonance in Labyrinth Seals

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Janek Mahlstedt, Felix Fischer, Lars Wein, Joerg R. Seume
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103709
https://doi.org/10.1115/GT2023-103709
View Paper titled, Analytical Prediction of Acoustic Resonance in Labyrinth Seals
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Topics: Acoustics, Cavities, Resonance, Turbomachinery, Turbulence, Excitation, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Standing waves
Proceedings Papers

Simultaneous Damping and Mistuning Identification Using Nonlinear Optimization of Blade Tip Timing Data

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Eric Kurstak, Kiran D’Souza
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, V11BT27A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103214
https://doi.org/10.1115/GT2023-103214
View Paper titled, Simultaneous Damping and Mistuning Identification Using Nonlinear Optimization of Blade Tip Timing Data
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Topics: Blades, Damping, Optimization, Computer simulation, Approximation, Bladed disks, Dynamics (Mechanics), Engineering simulation, Parameter estimation, Resonance
Proceedings Papers

Damping and Fatigue Performance of Additive Manufactured Particle Damper Infused Instrumentation Rake

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Dino A. Celli, Timothy Janczewski, Luke Sheridan, Onome Scott-Emuakpor, Justin Warner, Lucas Smith, John Hollkamp, Lorean Napper, Tommy George
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, V11BT23A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103274
https://doi.org/10.1115/GT2023-103274
View Paper titled, Damping and Fatigue Performance of Additive Manufactured Particle Damper Infused Instrumentation Rake
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Topics: Additive manufacturing, Dampers, Damping, Fatigue, Instrumentation, Particulate matter, Excitation, Q-factor, Blades, Cavities
Proceedings Papers

Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors

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Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel
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, V11BT27A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102829
https://doi.org/10.1115/GT2023-102829
View Paper titled, Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors
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Topics: Friction, Rotors, Bladed disks, Computation, Resonance, Vibration, Blades, Cycles, Degrees of freedom, Differential equations
Proceedings Papers

Time-Frequency Analysis of the Synchronous Response of Rotor Components: A Guideline for the Parameters’ Choice

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Luigi Carassale
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, V11BT27A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102444
https://doi.org/10.1115/GT2023-102444
View Paper titled, Time-Frequency Analysis of the Synchronous Response of Rotor Components: A Guideline for the Parameters’ Choice
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Topics: Damping, Resonance, Rotors, Time-frequency analysis, Wavelet transforms, Dynamic response, Low cycle fatigue, Safety, System identification
Proceedings Papers

Investigation of Self-Heating During Ultrasonic Fatigue Testing and Effect on Very High Cycle Fatigue Behavior of Titanium 6Al-4V

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Dino A. Celli, Justin Warner, Onome Scott-Emuakpor, Tommy George
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, V08AT24A010, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83443
https://doi.org/10.1115/GT2022-83443
View Paper titled, Investigation of Self-Heating During Ultrasonic Fatigue Testing and Effect on Very High Cycle Fatigue Behavior of Titanium 6Al-4V
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Topics: Fatigue testing, Heating, High cycle fatigue, Titanium, Cycles, Fatigue, Fatigue life, Heat, Gas turbines, Cooling
Proceedings Papers

Study on the Vibration Characteristics of Bladed Disks With Damping Mistuning

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Yasutomo Kaneko, Toshio Watanabe, Tatsuya Furukawa
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79644
https://doi.org/10.1115/GT2022-79644
View Paper titled, Study on the Vibration Characteristics of Bladed Disks With Damping Mistuning
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Topics: Damping, Disks, Vibration, Blades, Flutter (Aerodynamics), Stability, Rotation, Frequency response, Optimization, Resonance