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Proceedings Papers

HFTsim: A Component Library for High-Frequency Gas Turbine Engine Performance Simulations

Emrah Güllü, Gökhan Aran
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A028, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124100
https://doi.org/10.1115/GT2024-124100
View Paper titled, HFTsim: A Component Library for High-Frequency Gas Turbine Engine Performance Simulations
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Topics: Engineering simulation, Gas turbines, Simulation, Surges, Transients (Dynamics), Equations of motion, Engines, Combustion chambers, Ducts, Heat
Proceedings Papers

Experimental and Analytical Investigation of Labyrinth Seal Packing Ring Behavior in Contact With a Whirling Rotor

Tomohiko Tsukuda, Yoshifumi Iwasaki, Shogo Iwai, Tsuguhisa Tashima
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122313
https://doi.org/10.1115/GT2024-122313
View Paper titled, Experimental and Analytical Investigation of Labyrinth Seal Packing Ring Behavior in Contact With a Whirling Rotor
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Topics: Packing (Shipments), Packings (Cushioning), Rotors, Whirls, Temperature, Equations of motion, Springs, Heat, Rotor vibration, Steam turbines
Proceedings Papers

Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors

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

Finite Element Analysis of Bent Rotors

Konrad Juethner, Ted Rose, J. S. Kumar, Jianming Cao, Gregory M. Savela, Chris J. Zuck, Parag H. Mathuria
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79752
https://doi.org/10.1115/GT2022-79752
View Paper titled, Finite Element Analysis of Bent Rotors
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Topics: Finite element analysis, Rotors, Bearings, Excitation, Finite element methods, Manufacturing, Metrology, Rotor assembly, Stress, Cooling
Proceedings Papers

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Elia Iseli, Jürg Schiffmann
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59513
https://doi.org/10.1115/GT2021-59513
View Paper titled, Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches
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Topics: Bearings, Rotors, Stability, Compressibility, Gas bearings, Transients (Dynamics), Center of mass, Equations of motion, Excitation, Fluids
Proceedings Papers

Numerical Investigation for Characteristics and Oil-Air Distributions of a Tilting-Pad Journal Bearing Under Different Loads

Aoshuang Ding, Xuesong Li
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A024, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15151
https://doi.org/10.1115/GT2020-15151
View Paper titled, Numerical Investigation for Characteristics and Oil-Air Distributions of a Tilting-Pad Journal Bearing Under Different Loads
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Topics: Bearings, Cavitation, Journal bearings, Stress, Flow (Dynamics), Turbulence, Film thickness, Knudsen number, Rotors, Simulation results
Proceedings Papers

Experimental and Numerical Rotordynamic Analysis of a 1500 KW Turbocharger

Behzad Zamanian Yazdi, Dung L. Tran, Chinmay Deshpande
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14926
https://doi.org/10.1115/GT2020-14926
View Paper titled, Experimental and Numerical Rotordynamic Analysis of a 1500 KW Turbocharger
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Topics: Turbochargers, Bearings, Rotors, Turbulence, Cycles, Journal bearings, Simulation results, Control systems, Design, Eddies (Fluid dynamics)
Proceedings Papers

Performance Simulation of Roughness Induced Module Variations of a Jet Propulsion by Using Pseudo Bond Graph Theory

Jan Göing, Christoph Bode, Jens Friedrichs, Hendrik Seehausen, Florian Herbst, Joerg R. Seume
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14456
https://doi.org/10.1115/GT2020-14456
View Paper titled, Performance Simulation of Roughness Induced Module Variations of a Jet Propulsion by Using Pseudo Bond Graph Theory
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Topics: Jet propulsion, Simulation, Surface roughness, Transients (Dynamics), Computational fluid dynamics, Engines, Jet engines, Blades, Compressors, Differential equations
Proceedings Papers

A Friction-Enhanced Tuned Ring Damper for Bladed Disks

Andrea Lupini, Bogdan I. Epureanu
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14815
https://doi.org/10.1115/GT2020-14815
View Paper titled, A Friction-Enhanced Tuned Ring Damper for Bladed Disks
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Topics: Dampers, Disks, Friction, Energy transformation, Blades, Damping, Design, Equations of motion, Finite element model, Frequency response
Proceedings Papers

Strongly Coupled Fluid-Structure Interaction Simulation of a 3D Printed Fan Rotor

A. Castorrini, V. F. Barnabei, A. Corsini, F. Rispoli
Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T09A006, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91296
https://doi.org/10.1115/GT2019-91296
View Paper titled, Strongly Coupled Fluid-Structure Interaction Simulation of a 3D Printed Fan Rotor
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Topics: Additive manufacturing, Fluid structure interaction, Rotors, Simulation, Dynamics (Mechanics), Blades, Design, Flow (Dynamics), Aerodynamics, Algorithms
Proceedings Papers

Dynamics of a Rod-Fastened Rotor Considering the Bolt Loosening Effect

Pu Li, Qi Yuan, Bingxi Zhao, Jin Gao
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT33A007, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90573
https://doi.org/10.1115/GT2019-90573
View Paper titled, Dynamics of a Rod-Fastened Rotor Considering the Bolt Loosening Effect
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Topics: Dynamics (Mechanics), Rotors, Dynamic response, Aircraft engines, Engineering simulation, Equations of motion, Gas turbines, Pressure, Simulation, Stiffness
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
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)
Proceedings Papers

Robust Optimization of Flexible Rotor Systems With Uncertain Parameters via Interval Analysis Method

Jie Hong, ZheFu Yang, YaoYu Ni, YanHong Ma
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT32A004, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90586
https://doi.org/10.1115/GT2019-90586
View Paper titled, Robust Optimization of Flexible Rotor Systems With Uncertain Parameters via Interval Analysis Method
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Topics: Optimization, Rotors, Uncertainty, Design, Stiffness, Stress, Bearings, Design methodology, Dynamic response, Electromagnetic scattering
Proceedings Papers

Influence of Blade Flexibility on the Dynamic Response Simulation of a Turbomolecular Pump on Magnetic Bearings

Alysson Bruno Barbosa Moreira, Fabrice Thouverez
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A028, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90990
https://doi.org/10.1115/GT2019-90990
View Paper titled, Influence of Blade Flexibility on the Dynamic Response Simulation of a Turbomolecular Pump on Magnetic Bearings
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Topics: Blades, Dynamic response, Magnetic bearings, Pumps, Simulation, Control equipment, Filters, Rotors, Computation, Equations of motion
Proceedings Papers

Fouling on a Multistage Axial Compressor in the Presence of a Third Substance at the Particle/Surface Interface

Nicola Aldi, Nicola Casari, Devid Dainese, Mirko Morini, Michele Pinelli, Pier Ruggero Spina, Alessio Suman
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A014, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76923
https://doi.org/10.1115/GT2018-76923
View Paper titled, Fouling on a Multistage Axial Compressor in the Presence of a Third Substance at the Particle/Surface Interface
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Topics: Compressors, Particulate matter, Blades, Microparticles, Clearances (Engineering), Computational fluid dynamics, Computer simulation, Corners (Structural elements), Engineering simulation, Equations of motion
Proceedings Papers

Steady-State Characteristics of a Dual-Rotor System With Intershaft Bearing Subjected to Mass Unbalance and Base Motions

Xi Chen, Mingfu Liao
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75215
https://doi.org/10.1115/GT2018-75215
View Paper titled, Steady-State Characteristics of a Dual-Rotor System With Intershaft Bearing Subjected to Mass Unbalance and Base Motions
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Topics: Bearings, Rotors, Steady state, Rotation, Accuracy and precision, Equations of motion, Excitation, Frequency response, Inertia (Mechanics), Mode shapes
Proceedings Papers

Transient Characteristics of a Dual-Rotor System With Intershaft Bearing Subjected to Mass Unbalance and Base Motions During Start-Up

Xi Chen, Mingfu Liao
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A007, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75227
https://doi.org/10.1115/GT2018-75227
View Paper titled, Transient Characteristics of a Dual-Rotor System With Intershaft Bearing Subjected to Mass Unbalance and Base Motions During Start-Up
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Topics: Bearings, Rotors, Transients (Dynamics), Rotation, Design, Equations of motion, Resonance, Rotational inertia, Shear deformation, Stiffness
Proceedings Papers

A Modal Based Approach for the Lateral Dynamic Analysis of Rotating Shafts Supported by Elastic Substructures

Flavio Quattrone, Benjamin Dugone
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76481
https://doi.org/10.1115/GT2018-76481
View Paper titled, A Modal Based Approach for the Lateral Dynamic Analysis of Rotating Shafts Supported by Elastic Substructures
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Topics: Bearings, Computer simulation, Damping, Dynamic analysis, Dynamics (Mechanics), Equations of motion, Gas turbines, Machinery, Modeling, Rotors
Proceedings Papers

An Efficient Approach for the Frequency Analysis of Non-Axisymmetric Rotating Structures: Application to a Coupled Bladed Bi-Rotor System

Cécile Dumartineix, Benjamin Chouvion, Fabrice Thouverez, Marie-Océane Parent
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75461
https://doi.org/10.1115/GT2018-75461
View Paper titled, An Efficient Approach for the Frequency Analysis of Non-Axisymmetric Rotating Structures: Application to a Coupled Bladed Bi-Rotor System
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Topics: Rotors, Blades, Disks, Equations of motion, Finite element model, Bearings, Design, Engines, Resolution (Optics), Simulation
Proceedings Papers

The Relevance of Damper Pre-Optimization and its Effectiveness on the Forced Response of Blades

Chiara Gastaldi, Teresa M. Berruti, Muzio M. Gola
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A023, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64402
https://doi.org/10.1115/GT2017-64402
View Paper titled, The Relevance of Damper Pre-Optimization and its Effectiveness on the Forced Response of Blades
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Topics: Blades, Dampers, Optimization, Design, Damping, Shapes, Cycles, Equations of motion, Equilibrium (Physics), Turbine blades