Papers

2020-Present

• “Failure Analysis of 2 Liter 4 Cylinder Engine Turbochargers,”
  Edgar J. Gunter, 2020.
  Topics: Bearings, Critical Speeds, Turbochargers, Whirl Motion

Before 2020

• “Application of Rotor Dynamic Analysis for Evaluation of Synchronous Speed Instability and Amplitude Hysteresis at 2nd Mode for a Generator Rotor in a High-Speed Balancing Facility,”
  M. L vov & E. J. Gunter, 2005.
  Topics: Balancing, Critical Speeds, Rotordynamics
• “Critical Speed Analysis of Offset Jeffcott Rotor Using English and Metric Units,”
  E. J. Gunter, 2004.
  Topics: Critical Speeds
• “Introduction to Rotor Dynamics – Critical Speed and Unbalance Response Analysis,”
  E. J. Gunter, 2001.
  Topics: Balancing, Critical Speeds, Rotordynamics
• “Calculations of the Forward and Backward Modes of an Overhung Rotor Using MSC-NASTRAN for Windows,”
  E. J. Gunter & J. Dolmans, 2000.
  Topics: Critical Speeds, Overhung Rotors
• “Torsional-Lateral Modeling of Coupled Systems by Finite Element Techniques, Part I – Torsional Analysis,”
  E. J. Gunter, 1996.
  Topics: Critical Speeds, Rotordynamics, Torsional Vibrations
• “Forward and Backward Critical Speeds and Forced Response of an Overhung Rotor With Asymmetrical Bearing Supports,”
  E. J. Gunter, 1993.
  Topics: Critical Speeds, Overhung Rotors
• “Reduced Shaft Stiffness Lowers Running-Speed Bearing Loads and Vibration in a Single Stage Compressor,”
  R. W. Armentrout & G. E. Wilson, 1993.
  Topics: Compressors, Critical Speeds
• “Shifting Critical Speeds Out of the Operating Range by Changing from Tilting Pad to Sleeve Bearings,”
  J. C. Nicholas & R. W. Moll, 1993.
  Topics: Bearings, Critical Speeds
• “Undamped Critical Speeds of Rotor Systems Using Assumed Modes,”
  H. D. Nelson & W. J. Chen, 1993.
  Topics: Critical Speeds
• “Operating Turbomachinery on or Near the Second Critical Speed in Accordance with API Specifications,”
  J. C. Nicholas, 1990.
  Topics: Critical Speeds
• “Improving Critical Speed Calculations Using Flexible Bearing Support FRF Compliance Data,”
  J. C. Nicholas, J. K. Whalen & S. D. Franklin, 1986.
  Topics: Critical Speeds
• “The Effect of Bearing Support Flexibility on Critical Speed Prediction,”
  J. C. Nicholas & L. E. Barrett, 1985.
  Topics: Bearings, Critical Speeds
• “A Study of the Modal Truncation Error in the Component Mode Analysis of a Dual-Rotor System,”
  D. F. Li & E. J. Gunter, 1982.
  Topics: Critical Speeds, Rotordynamics
• “Influence of Acceleration on the Critical Speed of a Jeffcott Rotor,”
  H. L. Hassenpflug, R. D. Flack & E. J. Gunter, 1981.
  Topics: Critical Speeds, Rotordynamics
• “Experimental Study of the Critical Speed Response, of a Jeffcott Rotor with Acceleration,”
  H. L. Hassenpflug, R. D. Flack & E. J. Gunter, 1980.
  Topics: Critical Speeds
• “Dynamic Characteristics of a Two-Spool Gas Turbine Helicopter Engine,”
  E. J. Gunter, D. F. Li & L. E. Barrett, 1979.
  Topics: Critical Speeds, Rotordynamics
• “Modal Analysis of Turborotors Using Planar Modes,”
  E. J. Gunter & K. C. Choy, 1978.
  Topics: Critical Speeds, Rotordynamics
• “Stability and Damped Critical Speeds of a Flexible Rotor in Fluid Film Bearings,”
  J. W. Lund, 1973.
  Topics: Bearings, Critical Speeds, Stability
• “A General Method for Calculating Critical Speeds of Flexible Rotors,”
  M.A. Prohl, 1945.
  Topics: Critical Speeds, Rotordynamics