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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
Paper No: GT2021-59513
DOI: https://doi.org/10.1115/GT2021-59513
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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
Paper No: GT2020-15151
DOI: https://doi.org/10.1115/GT2020-15151
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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
Paper No: GT2020-14926
DOI: https://doi.org/10.1115/GT2020-14926
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Topics: Turbochargers, Bearings, Rotors, Turbulence, Cycles, Journal bearings, Simulation results, Control systems, Design, Eddies (Fluid dynamics)
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
Paper No: GT2020-14815
DOI: https://doi.org/10.1115/GT2020-14815
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Topics: Dampers, Disks, Friction, Energy transformation, Blades, Damping, Design, Equations of motion, Finite element model, Frequency response
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
Paper No: GT2020-14456
DOI: https://doi.org/10.1115/GT2020-14456
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Topics: Jet propulsion, Simulation, Surface roughness, Transients (Dynamics), Computational fluid dynamics, Engines, Jet engines, Blades, Compressors, Differential equations
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
Paper No: GT2019-90573
DOI: https://doi.org/10.1115/GT2019-90573
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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
Paper No: GT2019-91337
DOI: https://doi.org/10.1115/GT2019-91337
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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
Paper No: GT2019-90586
DOI: https://doi.org/10.1115/GT2019-90586
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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
Paper No: GT2019-90990
DOI: https://doi.org/10.1115/GT2019-90990
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Topics: Blades, Dynamic response, Magnetic bearings, Pumps, Simulation, Control equipment, Filters, Rotors, Computation, Equations of motion
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
Paper No: GT2019-91296
DOI: https://doi.org/10.1115/GT2019-91296
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Topics: Additive manufacturing, Fluid structure interaction, Rotors, Simulation, Dynamics (Mechanics), Blades, Design, Flow (Dynamics), Aerodynamics, Algorithms
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
Paper No: GT2018-76923
DOI: https://doi.org/10.1115/GT2018-76923
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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
Paper No: GT2018-75215
DOI: https://doi.org/10.1115/GT2018-75215
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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
Paper No: GT2018-75227
DOI: https://doi.org/10.1115/GT2018-75227
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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
Paper No: GT2018-76481
DOI: https://doi.org/10.1115/GT2018-76481
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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
Paper No: GT2018-75461
DOI: https://doi.org/10.1115/GT2018-75461
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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
Paper No: GT2017-64402
DOI: https://doi.org/10.1115/GT2017-64402
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Topics: Blades, Dampers, Optimization, Design, Damping, Shapes, Cycles, Equations of motion, Equilibrium (Physics), Turbine blades
Proceedings Papers

Quantitative CFD Analyses of Particle Deposition in a Heavy-Duty Subsonic Axial Compressor

Nicola Aldi, Nicola Casari, Devid Dainese, Mirko Morini, Michele Pinelli, Pier Ruggero Spina, Alessio Suman
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A013, June 26–30, 2017
Paper No: GT2017-63563
DOI: https://doi.org/10.1115/GT2017-63563
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Topics: Compressors, Computational fluid dynamics, Particulate matter, Blades, Particle collisions, Microparticles, Computer simulation, Flow (Dynamics), Kinematics, Probability
Proceedings Papers

Experimental and Numerical Investigations of Turbocharger Rotors on Full-Floating Ring Bearings With Circumferential Oil-Groove

Ioannis Chatzisavvas, Gerrit Nowald, Bernhard Schweizer, Panagiotis Koutsovasilis
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A025, June 26–30, 2017
Paper No: GT2017-64628
DOI: https://doi.org/10.1115/GT2017-64628
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Topics: Bearings, Rotors, Turbochargers, Pressure, Simulation, Temperature, Thermal energy, Computer simulation, Dynamics (Mechanics), Energy dissipation
Proceedings Papers

Nonlinear Vibration of a Saturated Water Journal Bearing and Bifurcation Analysis

Tadayoshi Shoyama
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A011, June 26–30, 2017
Paper No: GT2017-63752
DOI: https://doi.org/10.1115/GT2017-63752
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Topics: Bifurcation, Journal bearings, Nonlinear vibration, Water, Vibration, Bearings, Equations of motion, Rotors, Stiffness, Thrust
Proceedings Papers

Nodal Diameter-Dependent Modal Damping Method for Nonlinear Blade Dynamics Prediction Considering Variable Rotational Speed

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A018, June 26–30, 2017
Paper No: GT2017-63999
DOI: https://doi.org/10.1115/GT2017-63999
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Topics: Blades, Damping, Dynamics (Mechanics), Degrees of freedom, Excitation, Disks, Equations of motion, Friction, Vibration analysis