Aerodynamic Design of Turbomachinery

Summer Term

Lecturer: Prof. Dr.-Ing. Volker Gümmer

Tutorials: Philipp von Jeinsen & Samuele Giannini

Content:

• Introduction
  • Overview of compressor types
  • Areas of application
  • Introduction to calculation methods
• Principles of compressor stages
  • Conservation equations in absolute and relative frame of reference
  • Flow similarity and compressor characteristics
  • Efficiencies and parameters of compressor stages
  • Energy transfer in compressor stage
  • Principles of turbo compressors with extended one-dimensional duct flow calculation
• Radial compressors
  • Influence of blade curvature
  • Balance of force at volume element
  • Slip coefficient
• Profile
  • Cascades and blade profiles
  • Separation at compressor blades
  • Aerodynamic related aspects
• Radial blade twist
  • Simple and extended radial equilibrium
  • Streamline Curvature Method
• Operating performance of turbocompressors
  • Compressor characteristics and interaction between stages
  • Steady and unsteady operating performance
  • Measures for stability increase.
• Threedimensional flows
  • Secundary flow phenomena
  • Numerical methods in turbomachinery
  • Three dimensional designs

Contact: VL-AAT.ltf(at)ed.tum.de

Current information and dates can be found in TUMOnline.