AERODYNAMICS 1 – STUDY GUIDE

LESSON 1 & 2- Aerodynamic Forces on a Subsonic 2D Aerofoil

TOPICS:

Definition of terms: aerodynamic force, lift, drag, pitching moment, centre of pressure, chord, thickness ratio, camber, stagnation point, aerodynamic centre and etc.

Drawing the following curves for a two dimensional subsonic aerofoil: CD Vs. AoA, CL Vs. CD and CL/CD Vs. AoA

Definition of aerodynamic terms: lift coefficient (CL), drag coefficient (CD), pitching moment coefficient (Cm) and pressure coefficient (Cp),…

The pressure distribution around a 2D aerofoil section Factor affecting the aerodynamic performance of a 2D aerofoil Recognition of NACA aerofoils Obtaining lift coefficient, centre of pressure and aerodynamic centre from

pressure coefficient

Reading Task:

Introduction to Flight- Chapter 5 pages 251-283 (except section 5.3)pages 362-369

The Illustrated Guide to Aerodynamics- Chapter 2 pages 12-35

Further Reading:

Principles of Flight- Chapter 3, page 29-31 Chapter 5, pages 41-50 Related Websites:

http://selair.selkirk.bc.ca/aerodynamics1/Lift/Page2.html http://www.grc.nasa.gov/WWW/K-12/WindTunnel/WTExpKids/sld001.htm http://www.centennialofflight.gov/essay/Evolution_of_Technology/airfoils/Tech5.htm http://www.centennialofflight.gov/essay/Evolution_of_Technology/supercritical/Tech12.htm (supercritical aerofoil)http://www.auf.asn.au/groundschool/umodule4.html (sections 4.1, 4.2, 4.5 and 4.6)http://www.allstar.fiu.edu/aero/airflylvl3.htm http://www.centennialofflight.gov/essay/Theories_of_Flight/Airfoils/TH13.htm

Study Guide/ Aerodynamics 1/LSN1 04/11/23 (ver 1) Page 1 of 1