44870 - Aerodynamics (Graduate Course)

Academic Year 2009/2010

  • Moduli: Gianbattista Scarpi (Modulo 1) Gianbattista Scarpi (Modulo 2)
  • Teaching Mode: Traditional lectures (Modulo 1) Traditional lectures (Modulo 2)
  • Campus: Bologna
  • Corso: Second cycle degree programme (LS) in Civil Engineering (cod. 0452)

Course contents

Statics of Fluids; The International Standard Atmosphere.

Flow Analysis: Continuity Equation; Navier-Stokes Equations; Ideal Fluids; Euler Equations;

 Bernoulli Equation for Incompressible and Compressible Fluids.

Incompressible flows:

Plane Ideal Flows; Stream Function, Potential Flows; Uniform Flow, Source, Doublet, Vortex. Spinning Cylinder in a Uniform Stream; Magnus Effect; Kutta-Zhukowsky Theorem.

Glauert Theory for Thin Airfolis; Lift Coefficient; Pitching Moment Coefficient; Centre of Pressure; Aerodynamic Centre.

Boundary Layer Theory: Laminar and Turbulent Boundary Layer on a Flat Plate with zero Pressure Gradient; Drag Coefficient; Boundary Layer on Blunt Bodies. Separation of Boundary Layer.

Finite Airfoil Theory: Horseshoe Vortex; Lift, downwash and Induced Drag; Experimental Characteristics of Wing Sections.

Compressible Flows: Airfoils in Subsonic Flow; Critical Mach Number.  Supersonic Flow; Linearised Supersonic Flow; Prandtl_Meyer Expansion; Oblique Shock Waves; Shock Polar; Rankine-Hugoniot Equation; Caracteristic Ratios across a Shock Wave versus Normal Mach Number; Airfoils in Supersonic Flow.

Dynamic Similarity and Modelling of Phenomena; Wind Tunnels.

Readings/Bibliography

Mattioli, Aerodinamica. Ed. Levrotto & Bella

Houghton/Carpenter, Aerodynamics for engineering students. Ed. Arnold

Kuethe/Chow, Foundations of aerodynamics, Wiley

Teaching methods

Lectures

Assessment methods

Oral exam

Office hours

See the website of Gianbattista Scarpi