Annual Seminar

 

Fundamentals

Basic Vibration Theory

  • Natural Frequencies/Mode Shapes
  • Forced Vibration Response
  • Effects of Damping

Measurement & Instrumentation

  • Vibration and Pulsation Transducers
  • Frequency Analyzers
  • Shock Testing and Modal Analysis

Torsional Vibration Analysis

  • Theory & Analysis Methods
  • Transient/VFD Drive Analysis
  • Measurement Technique


Pulsation Analysis

Basic Pulsation Theory

  • Acoustic Resonance Phenomena
  • Pulsation Generation
  • Coupling Mechanisms/Shaking Forces
  • Acoustic Simulation Methods

Pump and Compressor Acoustic Modeling

  • EDI Digital Computer Techniques
  • API Design Approaches 1, 2, 3
  • EDI Design Philosophy/Results
  • Accumulators/All-Liquid Filters
  • Cavitation, Suction Head (NPSH)
  • Effect of Valve Dynamics


Piping Vibration Analysis

Basics of Response

  • Natural Frequencies of Piping Spans
  • Dynamic Restraints/Clamp Design
  • Excitation and Coupling Mechanisms

Piping Fatigue Stress Criteria

  • Fatigue Endurance Limits
  • ASME, API Codes
  • Strain Gage Testing/Criteria

Piping Vibration Allowable

  • Stress vs. Displacement and Velocity
  • Nomogram/Sample Problems
  • Criteria/Guidelines/Rules of Thumb


Diagnostic Procedures

Case Histories Reciprocating

  • Reciprocating Compressors and Piping Systems
  • Reciprocating Pumps and Piping Systems
  • Foundations/Machinery Vibration

Case Histories Rotating

  • Critical Speeds/Instabilities
  • Torsional/VFD Problems
  • Flow-Induced/Special Problems

Case Histories Structural

  • Modal Analysis Examples
  • Impeller/Blade Resonance
  • Bearing Housing/Case/Skid


Rotordynamic Analysis

Basics of Rotordynamics

  • Critical Speeds/Mode Shapes
  • Critical Speed Map
  • Fluid Film Bearings and Seals

Rotor Response and Sensitivity

  • Analysis Procedures per API Code
  • Effect of Bearings/Seals
  • Effect of Unbalance & Location

Rotor Stability

  • Log Dec Criteria
  • Oil/Gas Seals/Aerodynamic Loading
  • Forced Nonsynchronous Vibration


Structural Vibrations

Compressor Manifold Vibration

  • Common Natural Frequency Modes
  • Measurement Techniques
  • Vibration Control Techniques

Finite Element Analysis

  • Static/Dynamic
  • Fatigue Investigations
  • Stress Concentration Factors at Discontinuities

Foundation and Skid Vibration

  • Diagnostic Procedures
  • Frame/Anchor Bolts/Grout Problems
  • Shaking Forces/Natural Frequencies