17399 - Fluid Dynamics L

Academic Year 2008/2009

  • Teaching Mode: Traditional lectures
  • Campus: Forli
  • Corso: First cycle degree programme (L) in Aerospace Engineering (cod. 0207)

Learning outcomes

Basic Fluiddynamics, fundamentals in aerodynamics and gasdynamics

Course contents

Dimensional Analysis; Scalar and Vector Fields; Mechanical and Thermal Properties of Fluids.

Statics of Fluids; The International Standard Atmosphere.

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

Reynolds Experiment; Steady Incompressible Flow in Pipes: Laminar and Turbulent Flow; Bernoulli Equation for Incompressible and Compressible Fluids.

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 and Induced Drag for Elliptic Distribution; Experimental Characteristics of Wing Sections.

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

Dynamic Similarity and Modelling of Phenomena; Wind Tunnels. Airscrew Theory.

Readings/Bibliography

Mattioli: Aerodinamica. Ed. Levrotto & Bella, Torino

Quori: Aerodinamica. Ed. Levrotto & Bella, Torino

Houghton / Carpenter: Aerodynamics for Engineering Students. Ed. Arnold, London

Kuethe / Chow: Foundation of Aerodynamics. Ed. Wiley, New York

Gerhart / Gross / Hochstein: Fundamentals of Fluid Mechanics. Ed. Addison & Wesley

Teaching methods

lectures

Assessment methods

oral exam

Office hours

See the website of Gianbattista Scarpi