Torsional Vibration Analysis & Diagnostics Seminar

Torsional Vibration Analysis & Diagnostics Seminar

A Training Seminar for Rotating Equipment Professionals Who Need to Get the Most from Their Machinery.

Seminar Objectives

This seminar is recommended to those who wish to gain advanced skills required to solve torsional vibration problems in critical plant rotating machinery. Students will learn torsional vibration theory, modeling, and analysis techniques. Additionally, students will learn how to determine acceptable torsional vibration levels and how to make torsional vibration measurements.

Seminar Description

Seminar topics will include:

  1. Introduction to Machinery Torsional Diagnostics
  2. Torsional Analysis Requirements
  3. Torsional Analysis Theory
  4. Modeling of Torsional Problems
  5. Transient and Steady State Torsional Analysis
  6. Forced Response and Sources of Torsional Vibration
  7. Torsional Vibration Acceptance Criteria
  8. Improving Reliability to Torsional Problems
  9. Torsional Measurements
  10. Case History Presentations
  11. Student labs will provide practice on torsional modeling and solution of case history workshops.

Who Should Attend

This seminar is designed for:

  1. Rotating equipment engineers with responsibility for specification, acceptance and reliability of critical plant rotating equipment.
  2. OEM designers of rotating equipment who require the ability to model torsional vibration and the ability to evaluate the effectiveness of design solutions.
  3. Professional Development Hours: This seminar provides 24 professional development hours (PDHs) toward professional engineering licensure.

Seminar Schedule

8-5, Monday through Wednesday on the following dates:

  1. 28 – 30 September 2009 – RoMaDyn Training Center, (MAP* 297KB) Houston, Texas
  2. Daily refreshments and lunches provided.

Seminar Location

RoMaDyn Training Center, Houston Texas

Houston Hobby Accommodations

Contact Information

For questions or assistance contact RoMaDyn Technical Training

Outline

All RoMaDyn training seminars are designed to give students the maximum opportunity to improve their knowledge and performance. This seminar includes hands-on workshop sessions in which students practice the techniques presented in lecture materials.

Introduction to Torsional Vibration
Torsional Analysis Requirements
  1. Single/Multiple Speed Exciting Order and Harmonics
  2. Startup
  3. Electrical Faults
  4. Problem Solving
Torsional Vibration Theory
  1. Modeling Torsional Inertias, Stiffness and Damping
  2. Calculation of Torsional Natural Frequencies and Mode Shapes
  3. Student Workshops: Torsional Modeling
Forced Response Analysis
  1. Forcing Functions
  2. Shaft Stress
Torsional Stress Acceptance Guidelines
  1. MIL STD 167, Type III-Torsional Vibration
  2. ASME Criteria of Section III (Ref. 11)
  3. America Society of Metals Handbook (Ref. 12)
Guidelines on Improving Reliability
  1. Shaft Size and Material
  2. Stress Concentration Factors
Variable Frequency Motors
  1. Excitation Torques
  2. Interference Diagram
  3. Startup
Transient Analysis
  1. Startup and Shutdown
  2. Effect of Acceleration Rate on Startup and Shutdowns
  3. Synchronous Motors
  4. Short Circuit Analysis
  5. Line-to-Line Short Circuit
  6. Three Phase Short Circuit
  7. Peak Torques
  8. Cumulative Fatigue Analysis
Diagnosing Torsional Problems
  1. Recognition of Potential Problems
  2. Measurement Systems and Procedures
  3. o Torsiographs, Non-Contacting Pickups and Strain Gages
Student Workshops: Torsional Modeling

Seminar Content and Instructors are based on information available at the drafting of this outline and are subject to modification.

Seminar Materials

Students will receive a manual containing all presentation materials and workshop exercises.

Instructors

  1. E. Peyton Swan, P.E.
  2. Ned Endres
  3. D. Craig Sever, P.E.