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AE 2020A Low Speed Aerodynamics

Spring 2008

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Notes	Things you should know by now or find out right away
	ADL front page Atmosphere tables? Tomorrow's weather? Periodic Table? Physical constants? Shakespeare?

Resources

• Stanford Standard Atmosphere and Dynamic Pressure Calculator
• U. Sydney Wing Aerodynamics Program (download to your PC and run from there)
• Abbott & von Doenhoff: Airfoil Data (19MB PDF file).

Topics / Notes
1. Introduction to Aerodynamics

(Also, please review the Atmosphere, Aerodynamics, Performance, Stability, and High Speed Flight sections of the Design Centered Introduction to Aerospace Engineering, http://www.adl.gatech.edu)

2. Fluid Mechanics introduction

3. Conservation equations: integral form, reducing to differential form, Euler equation, Bernoulli equation

4. The Potential Method of computing aerodynamics.

5. Airfoils: Thin Airfoil Theory: Introduction & link to derivation

6. Wings: Helmholtz Vortex Theorems and Prandtl's Lifting Line Model

Finite Wing Calculation Example (pdf)

7. Introduction to Viscous Flow.

Additional reading on the derivation of the equations:

• Non-dimensionalized equations for viscous flow
• Navier-Stokes equations Derivation and Solutions
• Exact solutions of N-S eqns' Couette Flow; parallel plates (pdf)
  • Hagen-Poseuille Flow:
    Axisymmetric laminar fully developed  pipe flow with pressure gradient
    
  Prandtl's Boundary Layer Theory

• Boundary layer theory
• Derivation of Boundary layer equations
• Exact Solutions to the Boundary Layer equations
• Boundary Layer Profile
  . Methods for predicting laminar boundary layer effects