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John J. Yu
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Proceedings Papers

Obtaining Influence Coefficients in Different Formats With Reduced Number of Trial Runs on Two-Plane Balancing

John J. Yu, Nicolas Péton
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A002, September 21–25, 2020
Paper No: GT2020-14191
DOI: https://doi.org/10.1115/GT2020-14191
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Topics: Weight (Mass)
Proceedings Papers

Effect of Higher-Than-Rated-Speed Rotordynamic Modes on Rotor Balancing

John J. Yu, Siddharth Ashar
Proc. ASME. GT2015, Volume 7A: Structures and Dynamics, V07AT30A010, June 15–19, 2015
Paper No: GT2015-43405
DOI: https://doi.org/10.1115/GT2015-43405
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Topics: Excitation systems, Generators, Machinery, Modeling, Nondestructive evaluation, Rotor balancing, Rotors, Vibration, Wheels
Proceedings Papers

The Necessity of a Third Balance Plane for Generator Rotor Field Balancing

John J. Yu
Proc. ASME. GT2014, Volume 7A: Structures and Dynamics, V07AT31A012, June 16–20, 2014
Paper No: GT2014-25706
DOI: https://doi.org/10.1115/GT2014-25706
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Topics: Generators, Rotors, Nondestructive evaluation, Vibration, Excitation systems, Bearings
Proceedings Papers

Rotor/Seal Experimental and Analytical Study on Full Annular Rub

John J. Yu, Paul Goldman, Donald E. Bently
Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A032, May 8–11, 2000
Paper No: 2000-GT-0389
DOI: https://doi.org/10.1115/2000-GT-0389
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Topics: Rotors, Clearances (Engineering), Damping, Dry friction, Stiffness
Proceedings Papers

A Hydrostatic Bearing With Compressible Fluid for Broad Application

John S. Jacob, Donald E. Bently, John J. Yu
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A017, June 4–7, 2001
Paper No: 2001-GT-0250
DOI: https://doi.org/10.1115/2001-GT-0250
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Topics: Bearings, Fluids, Hydrostatics, Gas bearings, Clearances (Engineering), Dimensions, Gas flow, Heating, Testing
Proceedings Papers

Rolling Element Bearing Defect Detection and Diagnostics Using Displacement Transducers

John J. Yu, Donald E. Bently, Paul Goldman, Kenwood P. Dayton, Brandon G. Van Slyke
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T04A020, June 4–7, 2001
Paper No: 2001-GT-0028
DOI: https://doi.org/10.1115/2001-GT-0028
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Topics: Displacement, Flaw detection, Rolling bearings, Transducers, Deflection, Bearings, Accelerometers, Rollers, Signals, Stress
Proceedings Papers

Rub Diagnostics Based on Vibration Data

John J. Yu
Proc. ASME. GT2013, Volume 4: Ceramics; Concentrating Solar Power Plants; Controls, Diagnostics and Instrumentation; Education; Electric Power; Fans and Blowers, V004T06A003, June 3–7, 2013
Paper No: GT2013-94203
DOI: https://doi.org/10.1115/GT2013-94203
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Topics: Vibration, Turbomachinery, Engineers, Machinery, Steady state, Transients (Dynamics)
Proceedings Papers

On Two-Plane Balancing of Symmetric Rotors

John J. Yu
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 485-495, June 11–15, 2012
Paper No: GT2012-68061
DOI: https://doi.org/10.1115/GT2012-68061
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Topics: Rotors, Weight (Mass), Vibration, Downtime, Energy generation, Flow (Dynamics), Generators, Pressure, Rotor balancing, Turbines
Proceedings Papers

On Occurrence of Reverse Full Annular Rub

John J. Yu
Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 219-227, June 6–10, 2011
Paper No: GT2011-45153
DOI: https://doi.org/10.1115/GT2011-45153
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Topics: Damping, Degrees of freedom, Dry friction, Friction, Machinery, Polynomials, Rotors, Whirls
Journal Articles

On Occurrence of Reverse Full Annular Rub

John J. Yu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2012, 134(1): 012505.
DOI: https://doi.org/10.1115/1.4004161
Published Online: November 7, 2011
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Topics: Damping, Dry friction, Friction, Rotors, Whirls, Clearances (Engineering)
Proceedings Papers

Onset of 1/2X Vibration and Its Prevention

John J. Yu
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 825-836, June 8–12, 2009
Paper No: GT2009-59591
DOI: https://doi.org/10.1115/GT2009-59591
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Topics: Vibration, Bearings, Machinery, Pressure, Temperature, Clearances (Engineering), Excitation, Probes, Whirls
Journal Articles

Onset of 1 2 X Vibration and Its Prevention

John J. Yu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2010, 132(2): 022502.
DOI: https://doi.org/10.1115/1.3155794
Published Online: November 4, 2009
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Topics: Bearings, Vibration, Probes, Machinery
Proceedings Papers

Relationship of Influence Coefficients Between Static-Couple and Multi-Plane Methods on Two-Plane Balancing

John J. Yu
Proc. ASME. GT2008, Volume 5: Structures and Dynamics, Parts A and B, 1033-1045, June 9–13, 2008
Paper No: GT2008-50463
DOI: https://doi.org/10.1115/GT2008-50463
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Topics: Probes, Vibration
Journal Articles

Relationship of Influence Coefficients Between Static-Couple and Multiplane Methods on Two-Plane Balancing

John J. Yu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2009, 131(1): 012508.
DOI: https://doi.org/10.1115/1.2968866
Published Online: October 14, 2008
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Topics: Probes, Vibration, Weight (Mass)