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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

Performance and Cost Reduction of Permanent Magnet Biased Magnetic Bearings

B. R. Nichols, P. E. Allaire, T. Dimond, J. Cao, S. Dousti
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A024, June 26–30, 2017
Paper No: GT2017-64050
DOI: https://doi.org/10.1115/GT2017-64050
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Topics: Magnetic bearings, Permanent magnets, Bearings, Electricity (Physics), Stress, Wire, Currents, Electromagnetic induction, Magnetic flux, Manufacturing
Proceedings Papers

System Eigenvalue Identification of Mistuned Bladed Disks Using Least-Squares Complex Frequency-Domain Method

Yuan Huang, Grigorios Dimitriadis, Robert E. Kielb, Jing Li
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A001, June 26–30, 2017
Paper No: GT2017-63008
DOI: https://doi.org/10.1115/GT2017-63008
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Topics: Disks, Eigenvalues, Rotors, Compressors, Damping, Algorithms, Errors, Frequency response, Poles (Building), Polynomials
Proceedings Papers

Centrifugal Compressors Return Channel Optimization by Means of Advanced 3D CFD

Fabio De Bellis, Emanuele Guidotti, Dante Tommaso Rubino
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT45A024, June 15–19, 2015
Paper No: GT2015-44143
DOI: https://doi.org/10.1115/GT2015-44143
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Topics: Compressors, Computational fluid dynamics, Optimization, Design, Impellers, Simulation, Flow (Dynamics), Diffusers, Blades, Cavities
Proceedings Papers

Surge Model: Predicting Damping and Excitation Frequencies of Complex Pumping Systems

Alexander Lifson, Cecil R. Sparks
Proc. ASME. GT1989, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications, V003T07A007, June 4–8, 1989
Paper No: 89-GT-93
DOI: https://doi.org/10.1115/89-GT-93
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Topics: Damping, Excitation, Surges, Pipes, Acoustics, Compressors, Flow (Dynamics), Junctions, Orifices, Pressure
Proceedings Papers

High Speed Rotor Losses in a Radial 8-Pole Magnetic Bearing: Part 1 — Experimental Measurement

M. E. F. Kasarda, P. E. Allaire, E. H. Maslen, G. R. Brown, G. T. Gillies
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A055, June 10–13, 1996
Paper No: 96-GT-470
DOI: https://doi.org/10.1115/96-GT-470
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Topics: Magnetic bearings, Poles (Building), Rotors, Bearings, Engines, Motors, Stators, Aerospace industry, Density, Eddies (Fluid dynamics)
Proceedings Papers

High Speed Rotor Losses in a Radial 8-Pole Magnetic Bearing: Part 2 — Analytical/Empirical Models and Calculations

M. E. F. Kasarda, P. E. Allaire, E. H. Maslen, G. R. Brown, G. T. Gillies
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A056, June 10–13, 1996
Paper No: 96-GT-471
DOI: https://doi.org/10.1115/96-GT-471
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Topics: Magnetic bearings, Poles (Building), Rotors, Bearings, Eddies (Fluid dynamics), Aerospace industry, Engineering prototypes, Jet engines
Proceedings Papers

A Magnetic Bearing Suspension System for High Temperature Gas Turbine Applications: Control System Design

James R. Scholten
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T15A006, June 2–5, 1997
Paper No: 97-GT-029
DOI: https://doi.org/10.1115/97-GT-029
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Topics: Control systems, Design, Gas turbines, High temperature, Magnetic bearings, Suspension systems, Actuators, Simulation, Bearings, Rotors
Proceedings Papers

Identification of Gas Turbine Dynamics: Time-Domain Estimation Problems

David C. Hill
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T15A008, June 2–5, 1997
Paper No: 97-GT-031
DOI: https://doi.org/10.1115/97-GT-031
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Topics: Dynamics (Mechanics), Gas turbines, Errors, Poles (Building), Engines, Flow (Dynamics), Fuels, Transfer functions
Proceedings Papers

Calibration of an 8-Pole Planar Radial Magnetic Actuator

Roger L. Fittro, Dan O. Baun, Eric H. Maslen, Paul E. Allaire
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T14A006, June 2–5, 1997
Paper No: 97-GT-018
DOI: https://doi.org/10.1115/97-GT-018
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Topics: Actuators, Calibration, Poles (Building), Currents, Frequency response, Force measurement, Uncertainty, Bearings, Circuits, Clearances (Engineering)
Proceedings Papers

Experimental Development of a Jet Injection Model for Rotating Stall Control

Huu Duc Vo, James D. Paduano
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T15A025, June 2–5, 1998
Paper No: 98-GT-308
DOI: https://doi.org/10.1115/98-GT-308
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Topics: Compression, Dynamics (Mechanics), Feedback, Flow (Dynamics), Momentum, Poles (Building)
Proceedings Papers

Accuracy of the Riccati Transfer Matrix Method in Rotor Dynamic Analysis

M. Behzad, B. Mehri
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A045, June 2–5, 1998
Paper No: 98-GT-513
DOI: https://doi.org/10.1115/98-GT-513
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Topics: Dynamic analysis, Rotors, Bearings, Poles (Building), Anisotropy, Computation, Computer software, Damping, Gears, Mode shapes
Proceedings Papers

Rotor Power Losses in Planar Radial Magnetic Bearings — Effects of Number of Stator Poles, Air Gap Thickness, and Magnetic Flux Density

P. E. Allaire, M. E. F. Kasarda, L. K. Fujita
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A020, June 2–5, 1998
Paper No: 98-GT-316
DOI: https://doi.org/10.1115/98-GT-316
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Topics: Magnetic bearings, Magnetic induction, Poles (Building), Rotors, Stators, Eddies (Fluid dynamics), Bearings, Eddy currents (Electricity), Clearances (Engineering), Drag (Fluid dynamics)
Proceedings Papers

Experimentally Determined Rotor Power Losses in Homopolar and Heteropolar Magnetic Bearings

M. E. F. Kasarda, P. E. Allaire, P. M. Norris, C. Mastrangelo, E. H. Maslen
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A021, June 2–5, 1998
Paper No: 98-GT-317
DOI: https://doi.org/10.1115/98-GT-317
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Topics: Magnetic bearings, Rotors, Bearings, Design, Aerospace industry, Clearances (Engineering), Density, Eddies (Fluid dynamics), Energy storage, Flywheels
Proceedings Papers

Prediction of Thermoacoustic Instabilities With Focus on the Dynamic Flame Behavior for the 3A-Series Gas Turbine of Siemens KWU

Uwe Krüger, Jens Hüren, Stefan Hoffmann, Werner Krebs, Dieter Bohn
Proc. ASME. GT1999, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T02A016, June 7–10, 1999
Paper No: 99-GT-111
DOI: https://doi.org/10.1115/99-GT-111
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Topics: Flames, Gas turbines, Combustion chambers, Combustion, Acoustics, Design, Engines, Flow (Dynamics), Oscillations, Poles (Building)
Proceedings Papers

Flow Induced Noise Predictions of an Automotive Alternator Using a Lattice Boltzmann Method

Vincent Le Goff, Vincent Vidal, Michel Fakes, Philippe Chiozzi, Erwan Le Goff, Franck Perot, Min-Suk Kim
Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT10A021, June 16–20, 2014
Paper No: GT2014-26386
DOI: https://doi.org/10.1115/GT2014-26386
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Topics: Flow (Dynamics), Lattice Boltzmann methods, Noise (Sound), Acoustics, Aerodynamic noise, Design, Geometry, Product development, Automotive industry, Computer-aided engineering
Proceedings Papers

A Simplified and Consistent Nonlinear Transient Analysis Method for Gas Bearing: Extension to Flexible Rotors

Amine Hassini, Mihai Arghir
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT32A016, June 16–20, 2014
Paper No: GT2014-25955
DOI: https://doi.org/10.1115/GT2014-25955
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Topics: Gas bearings, Rotors, Transient analysis, Fluids, Poles (Building), Air bearings, Differential equations, Equations of motion, Bearings, Clearances (Engineering)
Proceedings Papers

Prediction and Measurement of Thermoacoustic Improvements in Gas Turbines With Annular Combustion Systems

Uwe Krüger, Jens Hüren, Stefan Hoffmann, Werner Krebs, Patrick Flohr, Dieter Bohn
Proc. ASME. GT2000, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T02A015, May 8–11, 2000
Paper No: 2000-GT-0095
DOI: https://doi.org/10.1115/2000-GT-0095
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Topics: Combustion systems, Gas turbines, Combustion chambers, Engines, Stability, Acoustics, Oscillations, Combustion, Compressors, Computer simulation
Proceedings Papers

Passive Fault Tolerance for a Magnetic Bearing Under PID Control

Benjamin Choi, Andrew Provenza
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T04A030, June 4–7, 2001
Paper No: 2001-GT-0456
DOI: https://doi.org/10.1115/2001-GT-0456
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Topics: Fault tolerance, Magnetic bearings, Poles (Building), Rotors, Failure, Bearings, Control equipment, Stability, Corrective actions, Damping
Proceedings Papers

Force Measurements in Magnetic Bearings Using Fiber Optic Strain Gauges

Stephen G. Raymer, Dara W. Childs
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T04A019, June 4–7, 2001
Paper No: 2001-GT-0027
DOI: https://doi.org/10.1115/2001-GT-0027
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Topics: Fibers, Force measurement, Magnetic bearings, Strain gages, Bearings, Signals, Poles (Building), Stress, Accuracy and precision, Calibration