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Proceedings Papers

The Experimental Rotordynamic Stability Evaluation Method Using Magnetic Excitation System for an Integrally Geared Compressor

Hirotoshi Arihara, Yoshitaka Baba, Shunsuke Morinaka, Yuki Kameyama
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A010, September 21–25, 2020
Paper No: GT2020-14883
DOI: https://doi.org/10.1115/GT2020-14883
View Paper titled, The Experimental Rotordynamic Stability Evaluation Method Using Magnetic Excitation System for an Integrally Geared Compressor
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Topics: Compressors, Evaluation methods, Excitation systems, Stability, Excitation, Rotors, Machinery, Rotor vibration, Vibration, Compressor impellers
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
View Paper titled, Performance and Cost Reduction of Permanent Magnet Biased Magnetic Bearings
Click here to open pdf in another window PDF for Performance and Cost Reduction of Permanent Magnet Biased Magnetic Bearings
Topics: Magnetic bearings, Permanent magnets, Bearings, Electricity (Physics), Stress, Wire, Currents, Electromagnetic induction, Magnetic flux, Manufacturing
Proceedings Papers

Experimental Cultivation of Giant Kelp in Oceanic Environments

W. J. North
Proc. ASME. GT1979, Volume 2: Solar Energy, V002T03A030, March 12–15, 1979
Paper No: 79-SOL-30
DOI: https://doi.org/10.1115/79-SOL-30
View Paper titled, Experimental Cultivation of Giant Kelp in Oceanic Environments
Click here to open pdf in another window PDF for Experimental Cultivation of Giant Kelp in Oceanic Environments
Topics: Biomass, Currents, Integrated systems, Marine engineering, Metals, Methane, Oceans, Renewable energy, Seas, Water
Proceedings Papers

Free Convection Phenomena in a Ribbed Wall

N. S. Maravegias, D. P. Georgiou, D. D. Papailiou
Proc. ASME. GT1990, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A033, June 11–14, 1990
Paper No: 90-GT-286
DOI: https://doi.org/10.1115/90-GT-286
View Paper titled, Free Convection Phenomena in a Ribbed Wall
Click here to open pdf in another window PDF for Free Convection Phenomena in a Ribbed Wall
Topics: Natural convection, Flow (Dynamics), Heat transfer, Turbulence, Cooling, Currents, Design, Flat plates, Forced convection, Temperature
Proceedings Papers

Multiobjective Optimization of a Flexible Rotor in Magnetic Bearings With Critical Speeds and Control Current Constraints

Ting Nung Shiau, Chun Pao Kuo, Jiunn Rong Hwang
Proc. ASME. GT1994, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A039, June 13–16, 1994
Paper No: 94-GT-297
DOI: https://doi.org/10.1115/94-GT-297
View Paper titled, Multiobjective Optimization of a Flexible Rotor in Magnetic Bearings With Critical Speeds and Control Current Constraints
Click here to open pdf in another window PDF for Multiobjective Optimization of a Flexible Rotor in Magnetic Bearings With Critical Speeds and Control Current Constraints
Topics: Magnetic bearings, Pareto optimization, Rotors, Currents, Design, Disks, Optimization, Computer programming, Polynomials, Sensitivity analysis
Proceedings Papers

Measured Force/Current Relations in Solid Magnetic Thrust Bearings

P. E. Allaire, R. L. Fittro, E. H. Maslen, W. C. Wakefield
Proc. ASME. GT1995, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V005T14A036, June 5–8, 1995
Paper No: 95-GT-400
DOI: https://doi.org/10.1115/95-GT-400
View Paper titled, Measured Force/Current Relations in Solid Magnetic Thrust Bearings
Click here to open pdf in another window PDF for Measured Force/Current Relations in Solid Magnetic Thrust Bearings
Topics: Thrust bearings, Bearings, Magnetic bearings, Currents, Machinery, Circuits, Compressors, Design, Eddies (Fluid dynamics), Electromagnetic scattering
Proceedings Papers

Force Versus Current and Air Gap Calibration of a Double Acting Magnetic Thrust Bearing

D. O. Baun, R. L. Fittro, E. H. Maslen
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A016, June 10–13, 1996
Paper No: 96-GT-121
DOI: https://doi.org/10.1115/96-GT-121
View Paper titled, Force Versus Current and Air Gap Calibration of a Double Acting Magnetic Thrust Bearing
Click here to open pdf in another window PDF for Force Versus Current and Air Gap Calibration of a Double Acting Magnetic Thrust Bearing
Topics: Calibration, Thrust bearings, Bearings, Actuators, Frequency response, Circuits, Currents, Design, Disks, Force measurement
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
View Paper titled, Calibration of an 8-Pole Planar Radial Magnetic Actuator
Click here to open pdf in another window PDF for Calibration of an 8-Pole Planar Radial Magnetic Actuator
Topics: Actuators, Calibration, Poles (Building), Currents, Frequency response, Force measurement, Uncertainty, Bearings, Circuits, Clearances (Engineering)
Proceedings Papers

Power Generation Possibilities in the State of São Paulo, Brazil

Jorge Llagostera
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T10A018, June 2–5, 1998
Paper No: 98-GT-447
DOI: https://doi.org/10.1115/98-GT-447
View Paper titled, Power Generation Possibilities in the State of São Paulo, Brazil
Click here to open pdf in another window PDF for Power Generation Possibilities in the State of São Paulo, Brazil
Topics: Energy generation, Cities, Currents, Energy consumption, Flow (Dynamics), Gas turbines, Natural gas
Proceedings Papers

Active Magnetic Bearing With Large Air Gap for Operation With a 3-Phase Power Converter

Thomas Gempp, Christian Redemann, Reto Schöb
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A024, June 7–10, 1999
Paper No: 99-GT-204
DOI: https://doi.org/10.1115/99-GT-204
View Paper titled, Active Magnetic Bearing With Large Air Gap for Operation With a 3-Phase Power Converter
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Topics: Magnetic bearings, Power converters, Bearings, Currents, Electromagnets, Engineering prototypes, Permanent magnets
Proceedings Papers

Test Results and Analytical Predictions for MIL-STD-167 Vibration Testing of a Direct Drive Compressor Supported on AMB

Lawrence A. Hawkins, Rasish K. Khatri, Koman B. Nambiar
Proc. ASME. GT2014, Volume 7A: Structures and Dynamics, V07AT31A007, June 16–20, 2014
Paper No: GT2014-25366
DOI: https://doi.org/10.1115/GT2014-25366
View Paper titled, Test Results and Analytical Predictions for MIL-STD-167 Vibration Testing of a Direct Drive Compressor Supported on AMB
Click here to open pdf in another window PDF for Test Results and Analytical Predictions for MIL-STD-167 Vibration Testing of a Direct Drive Compressor Supported on AMB
Topics: Compressors, Testing, Vibration, Rotors, Actuators, Magnetic bearings, Navy, Bearings, Control algorithms, Currents
Proceedings Papers

A Multi-Point Measurement Technique for the Enhancement of Force Measurement With Active Magnetic Bearings

Jeremy T. Marshall, Mary E. F. Kasarda, Joe Imlach
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A013, June 4–7, 2001
Paper No: 2001-GT-0246
DOI: https://doi.org/10.1115/2001-GT-0246
View Paper titled, A Multi-Point Measurement Technique for the Enhancement of Force Measurement With Active Magnetic Bearings
Click here to open pdf in another window PDF for A Multi-Point Measurement Technique for the Enhancement of Force Measurement With Active Magnetic Bearings
Topics: Force measurement, Magnetic bearings, Bearings, Actuators, Errors, Leakage, Stress, Uncertainty, Algorithms, Currents
Proceedings Papers

Condition Monitoring With Wind Turbine SCADA Data Using Neuro-Fuzzy Normal Behavior Models

Meik Schlechtingen, Ilmar Ferreira Santos
Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 717-726, June 11–15, 2012
Paper No: GT2012-68011
DOI: https://doi.org/10.1115/GT2012-68011
View Paper titled, Condition Monitoring With Wind Turbine SCADA Data Using Neuro-Fuzzy Normal Behavior Models
Click here to open pdf in another window PDF for Condition Monitoring With Wind Turbine SCADA Data Using Neuro-Fuzzy Normal Behavior Models
Topics: Condition monitoring, Wind turbines, Signals, Errors, Turbines, Currents, Data acquisition, Fluctuations (Physics), Hardware, Machine learning
Proceedings Papers

Reducing Energy Consumption in Active Magnetic Bearings by a Nonlinear Variable Bias Controller

Satoshi Ueno, M. Necip Sahinkaya
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 891-899, June 11–15, 2012
Paper No: GT2012-68741
DOI: https://doi.org/10.1115/GT2012-68741
View Paper titled, Reducing Energy Consumption in Active Magnetic Bearings by a Nonlinear Variable Bias Controller
Click here to open pdf in another window PDF for Reducing Energy Consumption in Active Magnetic Bearings by a Nonlinear Variable Bias Controller
Topics: Control equipment, Energy conservation, Magnetic bearings, Bearings, Errors, Currents, Displacement, Dynamics (Mechanics), Energy consumption, Rotordynamics
Proceedings Papers

Theoretical and Experimental Investigation of Force Estimation Errors Using Active Magnetic Bearings With Embedded Hall Sensors

Andreas Jauernik Voigt, Ilmar F. Santos
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 779-793, June 11–15, 2012
Paper No: GT2012-68282
DOI: https://doi.org/10.1115/GT2012-68282
View Paper titled, Theoretical and Experimental Investigation of Force Estimation Errors Using Active Magnetic Bearings With Embedded Hall Sensors
Click here to open pdf in another window PDF for Theoretical and Experimental Investigation of Force Estimation Errors Using Active Magnetic Bearings With Embedded Hall Sensors
Topics: Errors, Magnetic bearings, Sensors, Poles (Building), Rotors, Calibration, Currents, Dynamic testing (Engineering), Dynamic testing (Materials), Finite element analysis
Proceedings Papers

Conjugate Heat Transfer Study of a Biaxial Rig: Application to the Lifing of HP Turbine Disc Firtrees

C. Mabilat, S. Alizadeh, D. Jackson, R. Clarson
Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 1703-1715, June 9–13, 2008
Paper No: GT2008-51297
DOI: https://doi.org/10.1115/GT2008-51297
View Paper titled, Conjugate Heat Transfer Study of a Biaxial Rig: Application to the Lifing of HP Turbine Disc Firtrees
Click here to open pdf in another window PDF for Conjugate Heat Transfer Study of a Biaxial Rig: Application to the Lifing of HP Turbine Disc Firtrees
Topics: Disks, Heat transfer, Turbines, Manufacturing, Blades, Computational fluid dynamics, Convection, Engines, Modeling, Radiation (Physics)
Proceedings Papers

Are Advanced Large Gas Turbine Ready for Use in Captive Applications?

Justin Zachary
Proc. ASME. GT2008, Volume 2: Controls, Diagnostics and Instrumentation; Cycle Innovations; Electric Power, 975-984, June 9–13, 2008
Paper No: GT2008-50720
DOI: https://doi.org/10.1115/GT2008-50720
View Paper titled, Are Advanced Large Gas Turbine Ready for Use in Captive Applications?
Click here to open pdf in another window PDF for Are Advanced Large Gas Turbine Ready for Use in Captive Applications?
Topics: Gas turbines, Steam, Stress, Aluminum, Combined cycles, Combined heat and power, Condensed matter, Construction, Control systems, Cooling
Proceedings Papers

A Neural Network-Based Closed Loop Identification of a Magnetic Bearings System

Jose´ Medina, Mo´nica Parada, Victor Guzma´n, Luis Medina, Sergio Di´az
Proc. ASME. GT2004, Volume 6: Turbo Expo 2004, 593-598, June 14–17, 2004
Paper No: GT2004-53103
DOI: https://doi.org/10.1115/GT2004-53103
View Paper titled, A Neural Network-Based Closed Loop Identification of a Magnetic Bearings System
Click here to open pdf in another window PDF for A Neural Network-Based Closed Loop Identification of a Magnetic Bearings System
Topics: Magnetic bearings, Artificial neural networks, Control equipment, Currents, Excitation, Multilayer perceptron, Robust control, Rotors, Topology
Proceedings Papers

Characteristics and Control of an Unstable Liquid-Fueled Multi-Swirling Combustor

Tongxun Yi, Ephraim J. Gutmark, Michael Cornwell
Proc. ASME. GT2005, Volume 1: Turbo Expo 2005, 805-811, June 6–9, 2005
Paper No: GT2005-69020
DOI: https://doi.org/10.1115/GT2005-69020
View Paper titled, Characteristics and Control of an Unstable Liquid-Fueled Multi-Swirling Combustor
Click here to open pdf in another window PDF for Characteristics and Control of an Unstable Liquid-Fueled Multi-Swirling Combustor
Topics: Combustion chambers, Swirling flow, Pressure, Fuels, Combustion, Flow (Dynamics), Control equipment, Feedback, Optical fiber, Oscillations
Proceedings Papers

Transient Rotor/Active Magnetic Bearing Control Using Sampled Wavelet Coefficients

Iain S. Cade, Patrick S. Keogh, M. Necip Sahinkaya
Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 1187-1195, May 8–11, 2006
Paper No: GT2006-90212
DOI: https://doi.org/10.1115/GT2006-90212
View Paper titled, Transient Rotor/Active Magnetic Bearing Control Using Sampled Wavelet Coefficients
Click here to open pdf in another window PDF for Transient Rotor/Active Magnetic Bearing Control Using Sampled Wavelet Coefficients
Topics: Magnetic bearings, Rotors, Transients (Dynamics), Wavelets, Control equipment, Currents, Signal reconstruction, System dynamics, Wavelet transforms