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ISO Category IV Vibration Analyst - Master - Part 2

This 8 day course is delivered in a hybrid format.  Part 2 is a public venue course, that runs four days, with an additional day at the end of the session for review and the exam. It is intended for people who are interested in the highest level of learning in vibration analysis. 

The primary focus of this course is the measurement, analysis, dynamics, and balancing of turbomachinery.  Topics will include proximity probe and casing measurements, orbit and centerline plot analysis, rotor dynamics (natural frequencies, modeling), journal bearings (design, fluid film instabilities), and flexible rotor balancing.  The course will also cover torsional vibration. 

Note that this course is designed for people who have come up through the Category I, II, III development process; it is not necessary to have a degree in advanced mechanical engineering or dynamics – we will take a very practical approach. Utilizing advanced 3D animations and software simulations, topics that were possibly beyond the reach of many vibration analysts will be far easier to understand. The aim is to provide the level of knowledge that enables the vibration analyst to understand these topics to a high degree, with the expectation that if advanced analysis, design modification or modeling is required, a specialist in those areas will be called-in.

Principles of vibration

  • Force, response, damping, stiffness
  • Natural frequency, resonance, critical speeds
  • Instabilities, non-linear systems
  • Torsional vibration
  • Instrumentation
  • Proximity probe operation, conventions, glitch removal
  • Shaft and casing measurements

Fault analysis

  • Orbit analysis
  • Shaft centerline analysis
  • Transient analysis
  • Unbalance, bent shaft, cracked shaft, eccentricity
  • Rubs, instabilities
  • Resonance and critical speeds
  • Turbomachinery

Rotor/bearing dynamics

  • Rotor/bearing dynamics
  • Rotor characteristics
  • Rotor modeling (rotor, wheels, bearings, aerodynamic effects)
  • Bearing characteristics (fluid film bearings,

Corrective action

  • Low and high speed shop balancing
  • Field balancing (single plane, two plane, static/couple, flexible rotor)