Papers

2020-Present

• “Ekofisk Revisited – Bearing Optimization for Improved Rotor Stability,”
  Edgar J. Gunter, 2020.
  Topics: Compressors, Squeeze Film Dampers

2010-2019

• “Predicting, Understanding and Avoiding the Ekofisk Rotor Instability Forty Years Later,”
  C. Hunter Cloud, John A. Kocur, Jr. & Brian C. Pettinato, 2018.
  Topics: Bearings, Compressors, Rotordynamics
• “Analysis and Bearing-Damper Redesign for a $100 Million High Pressure Compressor Failure,”
  Edgar J. Gunter & Brian K. Weaver, 2017.
  Topics: Bearings, Compressors, Rotordynamics, Squeeze Film Dampers, Stability
• “Kaybob Revisited: What We Have Learned About Compressor Stability From Self-excited Whirling,”
  Edgar J. Gunter & Brian K. Weaver, 2016.
  Topics: Compressors, Squeeze Film Dampers, Whirl Motion
• “Effects of Radial Aerodynamic Forces on Rotor-bearing Dynamics of High-speed Turbochargers,”
  A. Alsaeed, R. Gordon Kirk & Salem Bashmal, 2014.
  Topics: Bearings, Compressors, Stability, Turbochargers

2000-2009

• “Rotordynamic Design of Centrifugal Compressors in Accordance with the New API Stability Specifications,”
  John C. Nicholas, John A. Kocur & Jr., 2005.
  Topics: Compressors, Rotordynamics

1990-1999

• “Linear and Nonlinear Unbalance Response of Cooper 8-Stage Compressor With A Squeeze Film Damper Support at the Non-Drive End,”
  E. J. Gunter, R. W. Armentrout & P. Allaire, 1998.
  Topics: Balancing, Compressors, Squeeze Film Dampers
• “Design, Analysis, and Testing of High Performance Bearings in a High Speed Integrally Geared Compressor,”
  W. J. Chen & D. Jain, 1994.
  Topics: Bearings, Compressors
• “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
• “The Use of Honeycomb Seals in Stabilizing Two Centrifugal Compressors,”
  F. Y. Zeidan, R. X. Perez & E. M. Stephenson, 1993.
  Topics: Compressors, Stability