Airfoil Design - Introduction

19 October 2026, Thorsten Lutz

• 8 lectures, including design example, finished before christmas
• 1 group exercise: joint design of an airfoil (before christmas)
• individual discussion of intermediate designs in consultation hours
• graded presentation of about 20 mins in english (from end of january)
• no exam, quality of design and presentation makes up the grade
• fill out, sign and send coding agreement to professor Lutz (can be found on Ilias course)

Literature:

• Script on Ilias
• R. Eppler: Users Guide Code description. will be provided along with the executable of the code via email
• R. Eppler: Airfoil Design and Data Springer Verlag Berlin Heidelberg New York, ISBN 3-540-52505-X, 1990

Eppler Airfoil Program

1. Design Method
2. Analysis method (don't use DPIT)
   1. panel method
   2. calculate pressure distribution around given shape
3. Boundary layer procedure
   1. integral boundary layer method (evolution of skin friction, boundary layer transition, other drag-related calculations)

// Diagram slide 24