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Proceedings Papers

Simulation Validation of a Coupled Blade-Shaft System Including Non-Linearity and Gravity Effects

Iker Exposito, Angel Martinez Aja, Matthew Price, Andrew Rix, Christoph Schwingshackl
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125781
https://doi.org/10.1115/GT2024-125781
View Paper titled, Simulation Validation of a Coupled Blade-Shaft System Including Non-Linearity and Gravity Effects
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Topics: Blades, Disks, Engines, Excitation, Gravity (Force), Simulation
Proceedings Papers

Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner

Neha Vishnoi, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A078, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127060
https://doi.org/10.1115/GT2024-127060
View Paper titled, Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner
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Topics: Flow (Dynamics), Excitation, Acoustics, Jets, Principal component analysis, Swirling flow, Turbulence, Vortices
Proceedings Papers

Effect of Transverse Acoustic Excitation Over a Partially-Premixed Swirling Flame

Ravi Gupta, Aayushi Bohrey, Pratikash Panda
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128680
https://doi.org/10.1115/GT2024-128680
View Paper titled, Effect of Transverse Acoustic Excitation Over a Partially-Premixed Swirling Flame
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Topics: Acoustics, Chemiluminescence, Excitation, Flames, Swirling flow
Proceedings Papers

Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 2: An Efficient Approach for Stochastic Studies

Juan Manuel Gallardo, Óscar Pérez Escobar
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, V10AT21A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126570
https://doi.org/10.1115/GT2024-126570
View Paper titled, Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 2: An Efficient Approach for Stochastic Studies
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Topics: Engines, Excitation, Geometry, Manufacturing, Electromagnetic scattering, Flow (Dynamics), Engineering simulation, Simulation, Airfoils, Blades
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

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
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Topics: Bladed disks, Compressors, Damping, Rotors, Blades, Stators, Excitation, Design, Engines, Optimization
Proceedings Papers

Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 1: Characterization of the Geometric Scatter and its Effect on Forced Response

Óscar Pérez Escobar, Vicente Timón, Juan Manuel Gallardo
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, V10AT21A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126586
https://doi.org/10.1115/GT2024-126586
View Paper titled, Numerical Study of Low Engine Order Excitations due to Manufacturing Variability Part 1: Characterization of the Geometric Scatter and its Effect on Forced Response
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Topics: Electromagnetic scattering, Engines, Excitation, Geometry, Manufacturing, Airfoils, Aerodynamics, Blades, Aeroelasticity, Computational fluid dynamics
Proceedings Papers

Blade Excitation Alleviation of a Nozzleless Radial Turbine by Casing Treatment Based on Reduced Order Model

Mingyang Yang, Zhaokai Lu, Wataru Sato, Teppei Kuwata
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129628
https://doi.org/10.1115/GT2024-129628
View Paper titled, Blade Excitation Alleviation of a Nozzleless Radial Turbine by Casing Treatment Based on Reduced Order Model
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Topics: Blades, Excitation, Turbine blades, Turbines
Proceedings Papers

A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform

Tianhao Wang, Zhigang Li, Jun Li
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, V10AT22A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126191
https://doi.org/10.1115/GT2024-126191
View Paper titled, A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform
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Topics: Resolution (Optics), Time-frequency analysis, Whirls, Computational fluid dynamics, Rotors, Signals, Clearances (Engineering), Dampers, Deformation, Excitation
Proceedings Papers

Flutter Parameter Study on a Complex Inlet Swirl Distortion Generator

Cole Hefner, Stephen Guillot, John Gillespie, Andrew Hayden, Todd Lowe, Alexandrina Untaroiu
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, V10AT21A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124102
https://doi.org/10.1115/GT2024-124102
View Paper titled, Flutter Parameter Study on a Complex Inlet Swirl Distortion Generator
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Topics: Computational fluid dynamics, Flutter (Aerodynamics), Generators, Flow (Dynamics), Separation (Technology), Chords (Trusses), Compressors, Corners (Structural elements), Deformation, Excitation
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

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

Integrated System Modal and Mistuning Identification for Integrally Bladed Rotors

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129165
https://doi.org/10.1115/GT2024-129165
View Paper titled, Integrated System Modal and Mistuning Identification for Integrally Bladed Rotors
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Topics: Integrated systems, Rotors, Algorithms, Errors, Excitation, Ambiguity, Engines, Safety, Traveling waves, Uncertainty
Proceedings Papers

On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces

Samuel Quaegebeur, Fabrice Thouverez
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124453
https://doi.org/10.1115/GT2024-124453
View Paper titled, On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces
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Topics: Accounting, Bladed disks, Blades, Dynamics (Mechanics), Engines, Excitation, Finite element model, Friction, Shapes, Standing waves
Proceedings Papers

Forced Response of Bladed Disks With Excitation Variability

Yue Xiao, Lars Panning-von Scheidt
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122504
https://doi.org/10.1115/GT2024-122504
View Paper titled, Forced Response of Bladed Disks With Excitation Variability
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Topics: Bladed disks, Excitation, Blades, Turbomachinery, Vibration, Couplings, Damage, Design, Dry friction, Mechanical properties
Proceedings Papers

Few Common Observations From a Vibration Test Data

Avinash Kumar, Praveen Iyappan, Krishna Mohan Kumbham
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122426
https://doi.org/10.1115/GT2024-122426
View Paper titled, Few Common Observations From a Vibration Test Data
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Topics: Accelerometers, Shock (Mechanics), Vibration, Vibration tests, Excitation, Signals, Displacement, Physics, Steady state, Strain gages
Proceedings Papers

Damping Phenomena in Rotating Machines: A Focus on Rotor Damping With Synchronous and Asynchronous Excitation

Francesco D’Alessandro, Florian Garnier, Damien Guivarch, Amit Zutshi, Weize Kang, Manoj Kunnil, Payyoor Narayanan, Mark Robinson, J. S. Kumar, Jianming Cao, Ted Rose
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125865
https://doi.org/10.1115/GT2024-125865
View Paper titled, Damping Phenomena in Rotating Machines: A Focus on Rotor Damping With Synchronous and Asynchronous Excitation
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Topics: Damping, Excitation, Machinery, Rotors, Aircraft engines, Computer software, Rotation, Vibration, Whirls, Aerospace industry
Proceedings Papers

Pulsations and Vibrations in the Discharge Piping of a Throttled Supercritical CO 2 Turbine

Jason Wilkes, Abhay Patil, Jon Bygrave
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A036, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128951
https://doi.org/10.1115/GT2024-128951
View Paper titled, Pulsations and Vibrations in the Discharge Piping of a Throttled Supercritical CO 2 Turbine
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Topics: Pipes, Supercritical carbon dioxide, Turbines, Vibration, Computational fluid dynamics, Design, Flow (Dynamics), Testing, Whirls, Boundary-value problems
Proceedings Papers

Application of Interface Reduction Methods to Rotordynamic Casing Models

Martin Paehr, Lars Panning-von Scheidt
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121370
https://doi.org/10.1115/GT2024-121370
View Paper titled, Application of Interface Reduction Methods to Rotordynamic Casing Models
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Topics: Bolted joints, Damping, Digital twin, Excitation, Finite element model, Friction, Machinery, Manufacturing, Rotordynamics, Rotors
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
Proceedings Papers

Development of a Transonic Fan Research Facility Focused on Casing Treatments and Inlet Distortion Effects

Andrew C. Cusator, William J. Brown, Yuning Dai, Andrew M. Bedke, Nicole L. Key
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A031, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126747
https://doi.org/10.1115/GT2024-126747
View Paper titled, Development of a Transonic Fan Research Facility Focused on Casing Treatments and Inlet Distortion Effects
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Topics: Aerospace industry, Blades, Computer simulation, Design, Engines, Excitation, Exhaust systems, Fans, Flow (Dynamics), Flowmeters
Proceedings Papers

Unsteady Pressure Behavior on Blade Surface Induced by Wake-Blade Interaction in an Axial Compressor Stage

Xuedong Zheng, Baotong Wang, Jia’an Li, Chuanxiang Yan, Xinqian Zheng
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127731
https://doi.org/10.1115/GT2024-127731
View Paper titled, Unsteady Pressure Behavior on Blade Surface Induced by Wake-Blade Interaction in an Axial Compressor Stage
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Topics: Blades, Compressors, Pressure, Vibration, Wakes, Excitation, Suction, Chords (Trusses), Stators, Annulus