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Journal Articles

Closure to “Discussion of ‘A Matrix Solution for the Vibration Mode of Nonuniform Disks’” (1956, ASME J. Appl. Mech., 23, p. 481)

J. Appl. Mech. September 1956, 23(3): 481–482.

DOI: https://doi.org/10.1115/1.4011366

Published Online: June 4, 2021

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Topics: Vibration

Journal Articles

A Matrix Solution for the Vibration Modes of Nonuniform Disks

J. Appl. Mech. March 1956, 23(1): 109–115.

DOI: https://doi.org/10.1115/1.4011216

Published Online: June 4, 2021

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Topics: Disks, Vibration, Strips, Boundary-value problems, Inertia (Mechanics), Elasticity, Deflection, Dimensions, Oscillating frequencies, Stress

Proceedings Papers

A Dynamic Model of Gas Turbine Engine Main Combustor Instability

Proc. ASME. GT1971, ASME 1971 International Gas Turbine Conference and Products Show, V001T01A073, March 28–April 1, 1971

Paper No: 71-GT-73

DOI: https://doi.org/10.1115/71-GT-73

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Topics: Combustion chambers, Dynamic models, Gas turbines, Stability, Fuels, Combustion, Engines, Geometry, Heat, Orifices

Proceedings Papers

Unsteady Flow and Whirl-Inducing Forces in Axial-Flow Compressors: Part II — Analysis

F. F. Ehrich, Z. S. Spakovszky, M. Martinez-Sanchez, S. J. Song, D. C. Wisler, A. F. Storace, H.-W. Shin, B. F. Beacher

Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A074, May 8–11, 2000

Paper No: 2000-GT-0566

DOI: https://doi.org/10.1115/2000-GT-0566

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Topics: Axial flow, Compressors, Unsteady flow, Whirls, Rotors, Turbomachinery, Actuators, Design, Disks, Displacement

Proceedings Papers

Unsteady Flow and Whirl-Inducing Forces in Axial-Flow Compressors: Part I — Experiment

A. F. Storace, D. C. Wisler, H.-W. Shin, B. F. Beacher, F. F. Ehrich, Z. S. Spakovszky, M. Martinez-Sanchez, S. J. Song

Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A073, May 8–11, 2000

Paper No: 2000-GT-0565

DOI: https://doi.org/10.1115/2000-GT-0565

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Topics: Axial flow, Compressors, Unsteady flow, Whirls, Rotors, Design, Turbomachinery, Aerodynamics, Engines, Fluid-dynamic forces

Proceedings Papers

Development of High-Speed Gas Bearings for High-Power-Density Micro-Devices

F. F. Ehrich, S. A. Jacobson

Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A056, June 4–7, 2001

Paper No: 2001-GT-0478

DOI: https://doi.org/10.1115/2001-GT-0478

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Topics: Density, Gas bearings, Bearings, Rotors, Turbomachinery, Bearing design, Bonding, Crystals, Design, Etching

Journal Articles

High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine

C. J. Teo, L. X. Liu, H. Q. Li, L. C. Ho, S. A. Jacobson, F. F. Ehrich, A. H. Epstein, Z. S. Spakovszky

J. Tribol. July 2009, 131(3): 032001.

DOI: https://doi.org/10.1115/1.3123343

Published Online: May 27, 2009

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Topics: Bearings, Journal bearings, Rotors, Turbines, Gas bearings, Anisotropy, Flow (Dynamics), Microelectromechanical systems, Whirls, Thrust bearings

Proceedings Papers

High-Speed Operation of a Gas-Bearing Supported MEMS Air Turbine

C. J. Teo, L. X. Liu, H. Q. Li, L. C. Ho, S. A. Jacobson, F. F. Ehrich, A. H. Epstein, Z. S. Spakovszky

Proc. ASME. IJTC2006, Part B: Magnetic Storage Tribology; Manufacturing/Metalworking Tribology; Nanotribology; Engineered Surfaces; Biotribology; Emerging Technologies; Special Symposia on Contact Mechanics; Special Symposium on Nanotribology, 1303-1314, October 23–25, 2006

Paper No: IJTC2006-12173

DOI: https://doi.org/10.1115/IJTC2006-12173

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Topics: Gas bearings, Microelectromechanical systems, Turbines, Bearings, Rotors, Geometry, Anisotropy, Journal bearings, Leakage flows, Machinery

Journal Articles

Development of High-Speed Gas Bearings for High-Power Density Microdevices

F. F. Ehrich, S. A. Jacobson

J. Eng. Gas Turbines Power. January 2003, 125(1): 141–148.

DOI: https://doi.org/10.1115/1.1498273

Published Online: December 27, 2002

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Topics: Bearings, Design, Journal bearings, Manufacturing, Rotors, Semiconductor wafers, Hydrostatics, Thrust bearings, Silicon, Gas bearings

Journal Articles

Low-Order Models for Very Short Hybrid Gas Bearings

N. Savoulides, K. S. Breuer, Associate Professor,, S. Jacobson, F. F. Ehrich

J. Tribol. April 2001, 123(2): 368–375.

DOI: https://doi.org/10.1115/1.1308000

Published Online: June 16, 2000

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Topics: Bearings, Gas bearings, Hydrostatics, Pressure, Stiffness, Damping, Rotors

Journal Articles

Unsteady Flow and Whirl-Inducing Forces in Axial-Flow Compressors: Part I—Experiment

A. F. Storace, D. C. Wisler, H.-W. Shin, B. F. Beacher, F. F. Ehrich, Z. S. Spakovszky, M. Martinez-Sanchez, S. J. Song

J. Turbomach. July 2001, 123(3): 433–445.

DOI: https://doi.org/10.1115/1.1378299

Published Online: February 1, 2000

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Topics: Clearances (Engineering), Compressors, Rotors, Whirls, Airfoils, Stators, Blades, Pressure

Journal Articles

Unsteady Flow and Whirl-Inducing Forces in Axial-Flow Compressors: Part II—Analysis

F. F. Ehrich, Z. S. Spakovszky, M. Martinez-Sanchez, S. J. Song, D. C. Wisler, A. F. Storace, H.-W. Shin, B. F. Beacher

J. Turbomach. July 2001, 123(3): 446–452.

DOI: https://doi.org/10.1115/1.1370165

Published Online: February 1, 2000

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Topics: Clearances (Engineering), Compressors, Pressure, Rotors, Whirls, Blades, Stators

Journal Articles

Spontaneous Sidebanding in High Speed Rotordynamics

J. Vib. Acoust. October 1992, 114(4): 498–505.

DOI: https://doi.org/10.1115/1.2930291

Published Online: October 1, 1992

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Topics: Aircraft, Computer simulation, Cycles, Gas turbines, Nonlinear systems, Rotordynamics, Rotors, Spectra (Spectroscopy), Springs, Stators

Journal Articles

Some Observations of Chaotic Vibration Phenomena in High-Speed Rotordynamics

J. Vib. Acoust. January 1991, 113(1): 50–57.

DOI: https://doi.org/10.1115/1.2930154

Published Online: January 1, 1991

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Topics: Rotordynamics, Vibration, Rotors, Clearances (Engineering), Computer simulation, Bifurcation, Springs, Turbomachinery

Journal Articles

Pseudo-High-Speed Balancing

J. Vib. Acoust. October 1990, 112(4): 418–426.

DOI: https://doi.org/10.1115/1.2930123

Published Online: October 1, 1990

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Topics: Aircraft, Design, Gas turbines, Machinery, Mode shapes, Patents, Rotors, Vibration

Journal Articles

High Order Subharmonic Response of High Speed Rotors in Bearing Clearance

J. Vib. Acoust. January 1988, 110(1): 9–16.

DOI: https://doi.org/10.1115/1.3269488

Published Online: January 1, 1988

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Topics: Bearings, Clearances (Engineering), Rotors, Vibration, Deflection, Excitation, Computers, Damping, Dynamic systems, Impulse (Physics)

Journal Articles

Editorial

J. Mech. Des. July 1982, 104(3): 527.

DOI: https://doi.org/10.1115/1.3256376

Published Online: July 1, 1982

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Journal Articles

Sum and Difference Frequencies in Vibration of High Speed Rotating Machinery

J. Manuf. Sci. Eng. February 1972, 94(1): 181–184.

DOI: https://doi.org/10.1115/1.3428109

Published Online: February 1, 1972

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Topics: Machinery, Vibration, Excitation, Waves, Rotors, Emission spectroscopy, Gas turbines, Spectroscopy, Bearings, Clearances (Engineering)

Journal Articles

Aerodynamic Stability of Branched Diffusers

J. Eng. Gas Turbines Power. July 1970, 92(3): 330–334.

DOI: https://doi.org/10.1115/1.3445357

Published Online: July 1, 1970

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Topics: Diffusers, Stability, Combustion chambers, Computation, Flow (Dynamics), Pressure, Secondary cells, Shells, Diffusion (Physics), Gas turbines

Journal Articles

The Dynamic Stability of Rotor/Stator Radial Rubs in Rotating Machinery

J. Manuf. Sci. Eng. November 1969, 91(4): 1025–1028.

DOI: https://doi.org/10.1115/1.3591743

Published Online: November 1, 1969

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Topics: Dynamic stability, Machinery, Rotors, Stators, Damping, Stability, Blades, Clearances (Engineering), Coulombs, Dry friction

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