Turbomachinery Mechanics and Dynamics

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Course Description

Designing gas turbines means to translate the aerodynamic and thermodynamic intentions into a system, which is both mechanically sound and manufacturable at reasonable cost. This lecture is aimed at giving a comprehensive overview of the mechanical and design requirements, which must be fulfilled by a safe and reliable machine. Material and life prediction methods will be addressed as well.


  • To understand the mechanical behaviour of the mechanical systems of gas turbines.
  • To know the risks of mechanical and thermomechanical malfunctions and the corresponding design requirements.
  • To be able to argue on mechanical design requirements in a comprehensive manner.


  1. Introduction, Overview, Engine Classes
  2. Rotor and Combustor Design
  3. Rotor Dynamics
  4. Excursion
  5. Blade Dynamics
  6. Blade and Vane Attachments
  7. Bearings and Seals
  8. Gears and Lubrication
  9. Spectrum Analysis
  10. Balancing and Lifing
  11. Couplings and Alignment
  12. Control Systems and Instrumentation
  13. Maintenace Techniques

Course Notes:

Download during semester.

Related Literature:

Reference to leading literature and internet links are given within the downloadable slides.

Additional Parts:

4 Exercises
One half day excursion to a gas turbine manufacturer.

Related Lectures:

REQUIRED knowledge of the lectures:

  1. Thermodynamics III
  2. Mechanics knowledge equivalent to Bachelor's degree
    RECOMMENDED knowledge of one or more of the following lectures:
  3. Aerospace propulsion
  4. Turbomachinery Design
  5. Gasturbinen: Prozesse und Verbrennungssystem

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Sun Jun 25 10:45:05 CEST 2017
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