Lateral Rotordynamic Analysis

 From the design of rotating components for NASA's space shuttle and space station, to the solution of an elusive vibration problem in a large industrial rotating machine, to the development of miniature pump rotating assembly and support bearings used for an artificial heart, RBTS is internationally recognized as an industry leader in providing machinery rotor dynamics engineering services.

With hundreds of successful projects completed, RBTS has developed unparalleled analytical and diagnostic tools and qualifications in the field of rotor dynamics. RBTS provides services to equipment users, packagers, as well as original equipment manufacturers. Our strength is based on our core technical proficiency, continuous improvement to our analytical tools, broad range of experience, and field service support.

Analyzed equipment range from fractional horsepower to 1100 MW and vary in size from a small size turbine (0.10” in diameter, light weight, and speeds in excess of 250,000 rpm) to a large size 66,000 HP Multi-Stage Compressor with Synchronous Motor Drive. Typical analyzed equipment includes: 

  • Centrifugal Compressors
  • Miniature Pumps
  • Fuel Pumps
  • Industrial Pumps
  • Fans
  • Mixers
  • Gearboxes
  • Generators
  • Induction Motors (Fixed-Speed & VFD)
  • Synchronous Motors (Fixed-Speed & VFD)
  • Spindles (Machine Tools)
  • Scanners
  • Jet Engines
  • Micro Turbines
  • Turbines (Gas & Steam)
  • Turbochargers
  • Test Stands (Various Sizes & Power)

Our proprietary analytical software allows us to perform the full spectrum of rotordynamic simulations to comply with all API, ISO, and DNV standards. Typical analyses include:

  • Natural Frequency and Mode Shapes (damped and undamped)
  • Stability Analysis (whirl & whip) 
  • Unbalance Forced Response (fixed & variable speed)
  • Steady-State Response
  • Time-Transient Response

To learn more about our rotordynamics engineering services, please contact RBTS. Sample applications and a description of the services provided are available in our photo gallery.